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My 4.9 wiring thread by Mickey_Moose
Started on: 02-02-2009 02:32 PM
Replies: 157 (25725 views)
Last post by: Mickey_Moose on 02-11-2023 09:21 AM
Mickey_Moose
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Report this Post05-22-2012 12:23 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
added info about engine mounts to the top of the first post.

[This message has been edited by Mickey_Moose (edited 05-22-2012).]

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gen2muchwork
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Report this Post01-09-2013 02:05 PM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
I have a question here.

Im attempting to run +12v switched power to the distributor, egr/ps pressure, and the trans round plug .

Do I take it from the injector feed or the ecm feed or somewhere else?

these would be the pink or pink/black ones. Maybe I just am missing something?
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Report this Post01-09-2013 10:11 PM Click Here to See the Profile for ReallybigSend a Private Message to ReallybigEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by gen2muchwork:

I have a question here.

Im attempting to run +12v switched power to the distributor, egr/ps pressure, and the trans round plug .

Do I take it from the injector feed or the ecm feed or somewhere else?

these would be the pink or pink/black ones. Maybe I just am missing something?


I took my +12v "hot in run" power from C203 F (in the orange circle) to power the EGR and Power Steering Pressure Switch. It's the same amperage as the caddy 12v supply and I haven't had a problem yet.


The distributor coil was powered by the C500 E3 thick pink wire on the fiero, I figure it should power the Caddy distributor coil as well. Given it's guage, it must be supplying considerably more current than the C203 F could. I ran mine across the engine to the distributor from the C500.


I found this caddy ECM wiring layout quite helpfull. OK, it's for a 95, but the wiring colors are the same as are the pinouts on the ECM side. Earlier ones won't have two O2 sensors, different trans range switch etc. To bypass the power steering switch, I just jumped from BR wire to O/B.


post edited for clarity and more pictures!

[This message has been edited by Reallybig (edited 01-09-2013).]

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phonedawgz
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Report this Post01-09-2013 10:23 PM Click Here to See the Profile for phonedawgzClick Here to visit phonedawgz's HomePageSend a Private Message to phonedawgzEdit/Delete MessageReply w/QuoteDirect Link to This Post
85-88 Fieros have the ignition power wired to C500 E3. It is not fused before the connector so you should add a weatherproof fuse holder there.

Link to C203 / C500 Image
http://images.fieroforum.co...201-C500-DLC-Cru.jpg

Normally I use C203 F for the ECM and the MAF (If equipped), and the speedo buffer (if equipped)

Normally I use C203 J (INJ1) for Injector power

Normally I use C203 K for all the other power requirements. Heated O2, EVAP solenoid, Vent Solenoid, Cruise Power and Transmission Power.

[This message has been edited by phonedawgz (edited 01-10-2013).]

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Reallybig
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Report this Post01-09-2013 10:49 PM Click Here to See the Profile for ReallybigSend a Private Message to ReallybigEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by phonedawgz:

85-88 Fieros have the ignition power wired to C500 E3. It is not fused before the connector so you should add a weatherproof fuse holder there.

Normally I use C203 F for the ECM and the MAF (If equipped), and the speedo buffer (if equipped)

Normally I use C203 J (INJ1) for Injector power

Normally I use C203 K for all the other power requirements. Heated O2, EVAP solenoid, Vent Solenoid, Cruise Power and Transmission Power.



Phonedawgz, the caddy 4.9 injectors are powered by two seperate 10A fuses; 4 injectors per fuse. I used C203 K for one set of four and C203 J for the other set of four. Both K and J are fused at 5A each in the fiero. I didn't want to change to 10A in case they are to protect the wiring more so than the injectors. Are you not concerned that all 8 injectors on the 4.9 will be too much for the one fused C203 J wire? Do you bump up the fuse amperage?

I do have concerns that sharing the C203 F with items other than the dedicated ECM supply could draw current away from the ECM and potentially cause issues. I know that on the 4cyl fiero it is shared with the fuel injector but stands alone ECM on the V6. I'm hoping that sharing it with the EGR and PSPS won't cause me any problems....I'm probably over-thinking things as always.
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Report this Post01-09-2013 11:04 PM Click Here to See the Profile for ReallybigSend a Private Message to ReallybigEdit/Delete MessageReply w/QuoteDirect Link to This Post

Reallybig

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quote
Originally posted by phonedawgz:

85-88 Fieros have the ignition power wired to C500 E3. It is not fused before the connector so you should add a weatherproof fuse holder there.



On this wiring print, it shows that the V6 C500 E3 has a fusible link. I've got the 4cyl, so I can't confirm what it shows in this picture, but I can confirm that on the 4cyl, the pink wire from C203 E3 is NOT fused as you have stated. What Amp fuse do you recomend putting in that weatherproof fuse holder? I'm not sure what the rating is for the fusible link in this Pic.

[This message has been edited by Reallybig (edited 01-09-2013).]

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gen2muchwork
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Report this Post01-10-2013 07:14 AM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
reallybig, I'm using a modified diagram similar to the 1995 you have posted. I drew in the colors I have plus the pin positions for the trans etc. Im using a late harness with early trans, but wiring the whole thing as mickeys diagrams. This makes the colors and trans wiring wacky. As a bonus I'm fairly color blind. I know my car is red though...
anyways thanks for the help.

thanks phonedawgs for the last few posts as well. seems reallybig and I are somewhere around the same wires.

I dont have it with me, but if I posted my diagram do you think you could take a look at it to double check? I seriously start to go crazy after looking at all these wires for more than a few hours at a time. I dream about wires, its weird.
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Report this Post01-10-2013 01:21 PM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
I'm running the TPS and temp gauge ground to E11 per here:
http://www.fieroaddiction.c.../cadero/49wire-2.jpg

This should be the top-most connector on the ECM, correct? I still get an open connection.

I'm thinking of tying the wires to B5 here: http://www.fieroaddiction.c.../cadero/49wire-1.jpg

When I ground to the chasis, it draws 12v thru the sensors and my temp reads 12v/5v higher or 2.4x higher than it should hence it pegs by 120F when ground to the chasis. I have the TPS and temp gauge on the same ground.
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Report this Post01-10-2013 02:00 PM Click Here to See the Profile for phonedawgzClick Here to visit phonedawgz's HomePageSend a Private Message to phonedawgzEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Reallybig:


Phonedawgz, the caddy 4.9 injectors are powered by two seperate 10A fuses; 4 injectors per fuse. I used C203 K for one set of four and C203 J for the other set of four. Both K and J are fused at 5A each in the fiero. I didn't want to change to 10A in case they are to protect the wiring more so than the injectors. Are you not concerned that all 8 injectors on the 4.9 will be too much for the one fused C203 J wire? Do you bump up the fuse amperage?


On my swaps I use the INJ1 - C203 J for all injectors and fuse it at 10 A


 
quote
I do have concerns that sharing the C203 F with items other than the dedicated ECM supply could draw current away from the ECM and potentially cause issues. I know that on the 4cyl fiero it is shared with the fuel injector but stands alone ECM on the V6. I'm hoping that sharing it with the EGR and PSPS won't cause me any problems....I'm probably over-thinking things as always.


The ECM gets it's main power from the unswitched source. Put an amp meter on it and test. It only uses the switched source to sense if the ignition is on or off.

 
quote
Originally posted by Reallybig:

What Amp fuse do you recommend putting in that weatherproof fuse holder? I'm not sure what the rating is for the fusible link in this Pic.


20A

[This message has been edited by phonedawgz (edited 01-10-2013).]

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phonedawgz
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Report this Post01-10-2013 02:09 PM Click Here to See the Profile for phonedawgzClick Here to visit phonedawgz's HomePageSend a Private Message to phonedawgzEdit/Delete MessageReply w/QuoteDirect Link to This Post

phonedawgz

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Member since Dec 2009
 
quote
Originally posted by lou_dias:

I'm running the TPS and temp gauge ground to E11 per here:
http://www.fieroaddiction.c.../cadero/49wire-2.jpg

This should be the top-most connector on the ECM, correct? I still get an open connection.

I'm thinking of tying the wires to B5 here: http://www.fieroaddiction.c.../cadero/49wire-1.jpg


The TEMP GAUGE grounds to the engine block. I think you mean Temp Sensor. Both grounds should be essentially the same. The sensors wire directly to the ECM for ground to avoid any less than perfect grounds causing changes in the engine operation.

Are you sure you are using the correct ECM wiring diagrams for YOUR ECM? (What is your ECM SERV #?)

 
quote
When I ground to the chasis, it draws 12v thru the sensors and my temp reads 12v/5v higher or 2.4x higher than it should hence it pegs by 120F when ground to the chasis. I have the TPS and temp gauge on the same ground.


Something is seriously wrong with that. Chassis ground SHOULD be the same as ECM ground. If swapping from one to the other causes significant differences, you have a grounding problem.

Are you talking about scanning the ECM and reading the temp sensor, or are you talking about the reading on the gauge?

[This message has been edited by phonedawgz (edited 01-10-2013).]

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gen2muchwork
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Report this Post01-11-2013 11:36 AM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
sometimes I need a diagram.

Is this how you normally power things phonedawgs?
I used reallybigs sheet to make this terrible drawing in paint
I'm using a 95 harness with an early computer and trans so the trans is a little different, but that is irrellivant for this discussion I think.

[This message has been edited by gen2muchwork (edited 01-11-2013).]

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Report this Post01-11-2013 04:20 PM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by phonedawgz:


Something is seriously wrong with that. Chassis ground SHOULD be the same as ECM ground. If swapping from one to the other causes significant differences, you have a grounding problem.

Are you talking about scanning the ECM and reading the temp sensor, or are you talking about the reading on the gauge?


As you can see here, the TPS and coolant sensor share a 5v ref ground.

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Report this Post01-15-2013 12:13 PM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
thanks for the help everyone. I think I was succesful so far.

did you get that temp gauge figured out lou?
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Report this Post01-15-2013 12:56 PM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
I swapped the temp gauge wire and CTS signal wire and the gauge reported ~160 while the CTS reported about 73C so it looks like that's all set.
However my TPS still says 1.18v /60% thottle at idle at that temp. WOT sees it go to 4.88v.
I jumped on the ground from the MAP sensor since that's also supposed to be a 5v ref ground. For some reason Pin F11 is an open pin on my ECM. The pin is there but it acts open.

All readings were taken using TunerPro RT with the '2240 .ads file converted to .adx...

Looking at the page I linked 2 posts ago, the TPS signal goes to B4 before it goes to F13. What is meant by B4 here? I'm thinking B4 steps it down to the proper range at this point. Right now I take the TPS signal and it's going straight to F13...

[This message has been edited by lou_dias (edited 01-15-2013).]

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phonedawgz
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Report this Post01-15-2013 02:03 PM Click Here to See the Profile for phonedawgzClick Here to visit phonedawgz's HomePageSend a Private Message to phonedawgzEdit/Delete MessageReply w/QuoteDirect Link to This Post
B4 is the pin of the bulkhead connector used in the Caddy. It does nothing electrically.

 
quote
I jumped on the ground from the MAP sensor since that's also supposed to be a 5v ref ground. For some reason Pin F11 is an open pin on my ECM. The pin is there but it acts open.


Doesn't the print say E11, not F11?

[This message has been edited by phonedawgz (edited 01-15-2013).]

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Report this Post01-15-2013 02:07 PM Click Here to See the Profile for SERGE144Send a Private Message to SERGE144Edit/Delete MessageReply w/QuoteDirect Link to This Post
I think B4 is the big rectangle bulkhead connector.
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Report this Post01-15-2013 02:18 PM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by lou_dias:

I swapped the temp gauge wire and CTS signal wire and the gauge reported ~160 while the CTS reported about 73C so it looks like that's all set.
However my TPS still says 1.18v /60% thottle at idle at that temp. WOT sees it go to 4.88v.
I jumped on the ground from the MAP sensor since that's also supposed to be a 5v ref ground. For some reason Pin F11 is an open pin on my ECM. The pin is there but it acts open.

All readings were taken using TunerPro RT with the '2240 .ads file converted to .adx...

Looking at the page I linked 2 posts ago, the TPS signal goes to B4 before it goes to F13. What is meant by B4 here? I'm thinking B4 steps it down to the proper range at this point. Right now I take the TPS signal and it's going straight to F13...



are you using c225 or whatever the big connector is? I cut it out like many people have. The B4 is just a pin in a connector. the connector is the box around B4 and is refefenced on the print as a star.

If you are not using that connector, cross it out on your copy so you dont have to get confused looking at it. It helped me to just sharpie it out.

[This message has been edited by gen2muchwork (edited 01-15-2013).]

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gen2muchwork
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Report this Post01-15-2013 02:20 PM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post

gen2muchwork

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quote
Originally posted by phonedawgz:


Doesn't the print say E11, not F11?


yes it does

I have found a few of those when doing this that did not copy well for me too, and I almost mixed them up as well.

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Report this Post01-15-2013 03:47 PM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by gen2muchwork:

yes it does

I have found a few of those when doing this that did not copy well for me too, and I almost mixed them up as well.

I had the wire there from the harness supplied by the Fiero Factory. I'm on the connector side and the 11th pin. I looked at all the other wires used and everything matches up...unless the schematic is wrong. Regardless I tied it to the MAT ground wire which should go to another 5v ref ground.

I am wondering if that bulkhead connector had some built-in resistance that knocked down the the voltage... Again, I'm using the Fiero Factory harness...
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gen2muchwork
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Report this Post01-15-2013 06:05 PM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by lou_dias:

I had the wire there from the harness supplied by the Fiero Factory. I'm on the connector side and the 11th pin. I looked at all the other wires used and everything matches up...unless the schematic is wrong. Regardless I tied it to the MAT ground wire which should go to another 5v ref ground.

I am wondering if that bulkhead connector had some built-in resistance that knocked down the the voltage... Again, I'm using the Fiero Factory harness...


The only built in resistance is corrosion. Take a look at the schematic. There are two 5v returns. Tps goes with cts. Map and mat.
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Report this Post01-16-2013 07:42 AM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
part of me thinks that the .adx file is the problem...for instance, my battery voltage that it reports is .07v...
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Report this Post01-16-2013 01:06 PM Click Here to See the Profile for phonedawgzClick Here to visit phonedawgz's HomePageSend a Private Message to phonedawgzEdit/Delete MessageReply w/QuoteDirect Link to This Post
I remember some weird thing like fuel pump voltage being weird with the 92 .adx.

What does the TPS Volt meter measured voltage come out as compared to the ALDL reported voltage?
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Mickey_Moose
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Report this Post03-24-2014 05:07 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
man time goes by - 5 years since I did the original write up and good to see that others have also taken up the cause to help some of the newbies (I haven't been on here in ages).

Anyways, just bumping the thread since I am still getting a fair number of emails asking.
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racingfortheson
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Report this Post01-15-2015 12:32 AM Click Here to See the Profile for racingforthesonSend a Private Message to racingforthesonEdit/Delete MessageReply w/QuoteDirect Link to This Post
This and a few other pages are getting me through my swap. I can't thank you guys enough for what y'all have done.
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Report this Post01-15-2015 04:57 PM Click Here to See the Profile for Neils88Send a Private Message to Neils88Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by racingfortheson:

This and a few other pages are getting me through my swap. I can't thank you guys enough for what y'all have done.


This is a great thread to use! Everything you need for wiring / vacuum lines, etc is here. Helped me take care of all the tricky stuff. It's a definite "must read" for anyone doing the 4.9 swap.
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Mickey_Moose
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Report this Post12-14-2016 05:42 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
IMPORTANT: the server that I have all my pictures on will be shutting down in the near future - so if you want to keep this as reference, download/copy the pages/pictures and save as a word file so that you have a copy of any of my pictures. Sorry, no I will not be going through all the posts (editing them) and relocating the pictures to a different location.
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gen2muchwork
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Report this Post12-15-2016 07:34 AM Click Here to See the Profile for gen2muchworkSend a Private Message to gen2muchworkEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks for the warning. I have saved a copy, along with the one I printed out and put in a binder on the fiero shelf next to the service manual.

Thanks again for posting this.
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Report this Post08-10-2017 06:57 PM Click Here to See the Profile for Shho13Send a Private Message to Shho13Edit/Delete MessageReply w/QuoteDirect Link to This Post
Here is an archive of the first post of this thread I took awhile ago, all the pics that were lost are here once again! Click on the links to view them.

  1. http://imgur.com/zJdIydz
  2. http://imgur.com/3zlZOJD
  3. http://imgur.com/XWbfT3L
  4. http://imgur.com/H7Eanep
  5. http://imgur.com/H7Eanep
  6. http://imgur.com/wnjE78r
  7. http://imgur.com/cbbKRT3
  8. http://imgur.com/mHHRi2z
  9. http://imgur.com/IxMNkdV
  10. http://imgur.com/jT314P5
  11. http://imgur.com/jtRR5tu
  12. http://imgur.com/mTyBcjw
  13. http://imgur.com/u9asEM5
  14. http://imgur.com/C5elQmh
  15. http://imgur.com/Hz08pP3
  16. http://imgur.com/bUZrLZi
  17. http://imgur.com/dwrCz5I
  18. http://imgur.com/2fRt8um
  19. http://imgur.com/2fRt8um
  20. http://imgur.com/5rKFAGu
  21. http://imgur.com/33T6HeL
  22. http://imgur.com/6UG1UQz
  23. http://imgur.com/H7Ep6lS
  24. http://imgur.com/5OhIxzF

------------------
"Discord"
Red 1988 GT under restoration!

Let's Go Mets!

( ͡° ͜ʖ ͡°)

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Mickey_Moose
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Report this Post06-02-2019 09:04 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
Update links to the pictures - so the post should now show all the pictures once again.

Regards

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Neils88
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Report this Post06-03-2019 11:52 AM Click Here to See the Profile for Neils88Send a Private Message to Neils88Edit/Delete MessageReply w/QuoteDirect Link to This Post
Thanks Mickey_Moose! This still remains as the best source of info for the 4.9 swap. I don't think I could have completed mine without it.

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Report this Post06-03-2019 05:42 PM Click Here to See the Profile for Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Neils88:

Thanks Mickey_Moose! This still remains as the best source of info for the 4.9 swap. I don't think I could have completed mine without it.

thumbsup:


This was an excellent thread but IIRC the OP finished the swap didn't have any oil pressure but rather than replacing the oil pump (easy BTW) he scrapped the project. Just wonder if he ever got the 4.9L working.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

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Mickey_Moose
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Report this Post06-05-2019 04:01 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Dennis LaGrua:


This was an excellent thread but IIRC the OP finished the swap didn't have any oil pressure but rather than replacing the oil pump (easy BTW) he scrapped the project. Just wonder if he ever got the 4.9L working.




???

If you are referring to me - the swap was completed and drove daily for several years, this car then became a project once again when I swapped in the f-body interior after seeing JScott's thread - and then I drove it daily some more. I then changed jobs and had too many cars in the garage, so this one was cut (sold to a young kid in Saskatchewan). Sometimes I miss it.

Also, never had an issue with the oil pump - the only issues I had with the car was destroying a SPEC clutch (back when they used cheap metal on the pressure plate and the springs broke out) and and early overheating issue (which was attributed to an air bubble in the system). Edit: actually I killed a Centerforce clutch early - piece of crap would not hold when the beans would be put to it - SPEC at least sent me the new modified pressure plate, Centerforce basically said too bad...

This car had gone through a lot of transformations: originally a 86 4 cyl coupe, then a 4.9l "SE", then custom tail lights (design based on the 91 GTA), then a "GT", then the f-body interior. lol

[This message has been edited by Mickey_Moose (edited 06-05-2019).]

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Report this Post06-06-2019 04:01 AM Click Here to See the Profile for SpadesluckSend a Private Message to SpadesluckEdit/Delete MessageReply w/QuoteDirect Link to This Post
Got any pics of the f-body interior install?
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Dennis LaGrua
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Report this Post06-06-2019 04:23 AM Click Here to See the Profile for Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Mickey_Moose:


???

If you are referring to me - the swap was completed and drove daily for several years, this car then became a project once again when I swapped in the f-body interior after seeing JScott's thread - and then I drove it daily some more. I then changed jobs and had too many cars in the garage, so this one was cut (sold to a young kid in Saskatchewan). Sometimes I miss it.

Also, never had an issue with the oil pump - the only issues I had with the car was destroying a SPEC clutch (back when they used cheap metal on the pressure plate and the springs broke out) and and early overheating issue (which was attributed to an air bubble in the system). Edit: actually I killed a Centerforce clutch early - piece of crap would not hold when the beans would be put to it - SPEC at least sent me the new modified pressure plate, Centerforce basically said too bad...

This car had gone through a lot of transformations: originally a 86 4 cyl coupe, then a 4.9l "SE", then custom tail lights (design based on the 91 GTA), then a "GT", then the f-body interior. lol



Oops, sorry about that. I was referring to Josef644 build that lost oil pressure. He did a neat 4.9L swap but lost oil pressure, then gave up and put in a 3.4L P/R engine.

------------------
" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

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Reallybig
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Report this Post06-10-2019 04:12 PM Click Here to See the Profile for ReallybigSend a Private Message to ReallybigEdit/Delete MessageReply w/QuoteDirect Link to This Post
I'm still driving my 88 4.9. Puts a smile on my face every time I turn the key! A bit worse for wear cuz I drive it year round. On my second isuzu 5spd; (stripped second gear), but kept the centre force clutch. So far so good!
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Report this Post06-11-2019 04:04 PM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Spadesluck:

Got any pics of the f-body interior install?


I don't have a specific thread, but I took all the information from this thread. There were some challenges mating the tach with the 4.9l, but got it all sorted along with some other novel solutions to some problems (HVAC controls). My pictures in this thread are also probably dead, but they are too spread out over many pages for me to really go back and update the links. I probably have some pictures laying around of the finished product if you are really interested. lol

//www.fiero.nl/forum/A...120111-1-023174.html
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lou_dias
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Report this Post06-11-2019 05:33 PM Click Here to See the Profile for lou_diasSend a Private Message to lou_diasEdit/Delete MessageReply w/QuoteDirect Link to This Post
I never resolved my code. Runs pig rich so I stuck E85 in it and it seems to not run rich but has cold-start issues. Blew a Getrag transmission mount. Waiting for a replacement. Can't seem to kill it...
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Report this Post02-11-2023 09:21 AM Click Here to See the Profile for Mickey_MooseClick Here to visit Mickey_Moose's HomePageSend a Private Message to Mickey_MooseEdit/Delete MessageReply w/QuoteDirect Link to This Post
updated first post to include a link to some BIN files (only applies to the 2240 PCM)
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