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3.4L pushrod Swap (lots of pics) by sardonyx247
Started on: 05-23-2004 02:00 PM
Replies: 615 (97509 views)
Last post by: lyleap-gmc on 11-24-2016 07:12 PM
sardonyx247
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Report this Post10-20-2007 07:27 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
Some parts

Poly motor mounts
I won these at a raffel at Westfest a year ago, they didn't line up right as the holes are off on one of the mounts so I had to drill new holes.

This is the one that was off






My new air filter


Oil cooler


Breather filter
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sardonyx247
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Report this Post10-20-2007 10:14 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
My exhaust

out with the old


new resanator tips compliments of Rich




my new Y-Pipe compliments of Zefyr


custom exhaust from Zefyr too




compared to a stock exhaust, well a stock one with a hole in it (not mine)

[This message has been edited by sardonyx247 (edited 01-27-2009).]

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sardonyx247
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Report this Post10-21-2007 12:46 AM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
The oil return fitting


Durring the exhaust mock up stages




With the engine in the car

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"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!!
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sardonyx247
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Report this Post10-21-2007 01:06 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by topher_time:

Looks good! When are we going to see it with the turbo?


How about now
Pics of the engine in the car with a turbo and intercooler.
















That is all the pics I have to post of my new boosted engine.

Comments?

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"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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alex de jorge
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Report this Post10-22-2007 03:32 PM Click Here to See the Profile for alex de jorgeClick Here to Email alex de jorgeSend a Private Message to alex de jorgeEdit/Delete MessageReply w/QuoteDirect Link to This Post
Here are my first impressions of the new 3.4 swap. I took the vehicle for a test drive this morning and everything seemed good. After driving the car for awhile, when I came to a stop the car would die. It also idle about 700 RPM when stopped at a light. Once I stepped on the gas, the car hesitated to take off. After a few more drives, the now the car would stall at every opportunity. It would not stay on for nothing. I checked everything once again, I even changed the AIC with another I had and nothing. Lastly, the only thing really non stock or modified was the TB. I removed it and put the old back one on and no more problems stalling. The vehicle idles 100% better. But, whenever I do stop at a light, the RPM's do drop to 700. That really sucks cause the noise inside the car is unbearable. I will continue to drive more and more to see what happens. I still can't drop the hammer yet since I rebuilt the engine but it feels a lot more powerful across the band. I'll keep everyone posted.
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alex de jorge
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Report this Post10-22-2007 07:57 PM Click Here to See the Profile for alex de jorgeClick Here to Email alex de jorgeSend a Private Message to alex de jorgeEdit/Delete MessageReply w/QuoteDirect Link to This Post
OK, here are the pics of my ride with its new 3.4.







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alex de jorge
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Report this Post10-23-2007 08:05 AM Click Here to See the Profile for alex de jorgeClick Here to Email alex de jorgeSend a Private Message to alex de jorgeEdit/Delete MessageReply w/QuoteDirect Link to This Post
OK, first crank in the morning and not a good result. Car started fine and then idle weird then stalled. Once the car got warm it idle ok but not were it needs to be. I'll continue to troubleshoot the problem.
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3.6lvvt6spdgt
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Report this Post10-24-2007 02:16 AM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
how is that turbo working out for you, how much boost are you running and what turbo is it.
also what are you doing for fuel management?
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my-fiero
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Report this Post10-24-2007 03:44 AM Click Here to See the Profile for my-fieroClick Here to Email my-fieroSend a Private Message to my-fieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
A question?
What must you do whit the hole next to the oil filter (top left)
If you put on the oil filter it's stil open see photo below
It is not the conction to the oil presure sensor! (just below that)

can I just let it so, or must I use some plug????

 
quote







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sardonyx247
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Report this Post10-24-2007 03:14 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
other than the oil press sensor hole there are no other oil holes by the filter.

As for boost, I am running about 6lbs now, I am slowly turning it up.
And for fuel management I am using an 85 ECM with a knock sensor, I wrote my own chip.

------------------
"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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Report this Post10-24-2007 08:14 PM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
so no staind alone system? wow you should get one and get that bit<h to 10psi 350hp.
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sardonyx247
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Report this Post10-24-2007 08:48 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by 3.6lvvt6spdgt:

so no staind alone system? wow you should get one and get that bit<h to 10psi 350hp.


I don't need a stand alone system, like I said I wrote my own code. the code is good to 14.7psi
and it cost me all of $0 to do. (I have freinds with burners, Thanks Matt and Brian)
And it will even pass smog
------------------
"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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Fiero Road Club Of Northern Nevada

[This message has been edited by sardonyx247 (edited 10-24-2007).]

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3.6lvvt6spdgt
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Report this Post10-25-2007 03:13 AM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
so how do you install a knock sensor with timing retarding abilaties ???? in detail please. picks are always good
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sardonyx247
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Report this Post10-25-2007 03:51 AM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by 3.6lvvt6spdgt:

so how do you install a knock sensor with timing retarding abilaties ???? in detail please. picks are always good


Knock sensors come on a 3.4L block, one step down.
you need to get an ESC controller (from a car with a knock sensor) usally located on or by the brake booster.
There is a thread on wireing up a knock sensor for the 85 ecm. Only an 85 ECM has knock capabillities.
In the 85 ECM code you can toggle a switch, knock sensor.
then you have to add to the code how much timing to take out and how fast, and how fast to return the timing.
then add the wire from the knock sensor to the ESC then to the ECM, Mine is added in my wireing harness, and my ESC sits next to my ECM
Mine looks like it came stock execpt the blue wire loom.


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"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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Report this Post10-25-2007 04:33 PM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
is this the esc you are using
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Report this Post10-25-2007 05:13 PM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
how can i tell if my ecu is correct the # 1226869 is this correct?
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sardonyx247
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Report this Post10-26-2007 05:02 AM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
I forget what kind of car my ESC came off of. I don't have a pic and it is under my consol.

And yes that is the 85 ECM, if the chip has FTY it is a stick and FTX an auto.

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"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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Report this Post10-26-2007 05:38 AM Click Here to See the Profile for FierobsessedClick Here to Email FierobsessedSend a Private Message to FierobsessedEdit/Delete MessageReply w/QuoteDirect Link to This Post
Do you have any pics of the car that my former 3.4 went into? Just curious... It is the second engine of mine that has been inside 3 cars

I liked my 3.4 But when the clutch went, I figured it was time to move on to better, though not necessarily bigger...

It's been a long year in the making, but it is not far from done.
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sardonyx247
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Report this Post10-26-2007 05:53 AM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Fierobsessed:

Do you have any pics of the car that my former 3.4 went into? Just curious... It is the second engine of mine that has been inside 3 cars


I dont have any pics of the car, it was a white 88GT and the owner is in tech school now and the engine/car is across the country.
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sardonyx247
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Report this Post11-29-2007 02:14 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
Well I'm back in Vegas to do another 3.4 swap. I will try to get a camera to get some pics but it will probably done by the time I get some.

I have one thing to say though, people do NOT use penzoil or Quaker state oil. This 2.8 was just full of sludge caused by wax based oils.


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Report this Post11-29-2007 04:37 PM Click Here to See the Profile for CC RiderClick Here to Email CC RiderSend a Private Message to CC RiderEdit/Delete MessageReply w/QuoteDirect Link to This Post
Mobil 1 or nothing at all
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sardonyx247
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Report this Post12-01-2007 01:59 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by CC Rider:

Mobil 1 or nothing at all


I wouldn't do nothing at all,
well if all they had was penzoil I think I would limp to the next store.
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86_fiero_gt_92
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Report this Post12-01-2007 06:56 PM Click Here to See the Profile for 86_fiero_gt_92Click Here to Email 86_fiero_gt_92Send a Private Message to 86_fiero_gt_92Edit/Delete MessageReply w/QuoteDirect Link to This Post
hey thanks for all the info vary helpful

if you guys/gals want to see the fiero getting a 3.4 here is the link http://www.cardomain.com/ride/2910644
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sardonyx247
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Report this Post12-09-2007 05:44 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
Here are some pics of the last 3.4L swap that I did a week ago.






And The Fiero it went into



------------------
"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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sardonyx247
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Report this Post12-09-2007 05:50 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by sardonyx247:

I have one thing to say though, people do NOT use penzoil or Quaker state oil. This 2.8 was just full of sludge caused by wax based oils.



This is what I mean by sludge



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sardonyx247
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Report this Post12-09-2007 07:05 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
And more sludge from another 2.8L





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Report this Post12-09-2007 09:01 PM Click Here to See the Profile for topher_timeClick Here to Email topher_timeSend a Private Message to topher_timeEdit/Delete MessageReply w/QuoteDirect Link to This Post
^^^
Unfortunately I've seen my fare share of the those as well
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sardonyx247
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Report this Post12-10-2007 01:38 AM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
Here are some pics showing some of the differences between the 2.8L block and the 3.4L block.

We'll start with the side of a 2.8. Look at the side of the block and the corner support.


Now the side of the 3.4. Notice all the webbing the 3.4 has and how much thicker the corner support is.



The same corner of the 2.8


The 3.4



gotta run, I'll post more later.
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sardonyx247
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Report this Post12-10-2007 04:19 PM Click Here to See the Profile for sardonyx247Click Here to visit sardonyx247's HomePageClick Here to Email sardonyx247Send a Private Message to sardonyx247Edit/Delete MessageReply w/QuoteDirect Link to This Post
Look at the thickness of this 2.8 block. It is just thick enough for the pan gasket.





Now look at the 3.4 block. You can see how it comes out past the gasket.
There are also better counterweights on the 3.1 crank(the 3.4 uses the 3.1 crank)





Now look at where the block mains meet the side of the block.
On this 2.8 see how it tapers in.





On the 3.4 it does not taper at all, in fact it has webbing instead.




I don't have pics but the rods in a 3.4 are also alot thicker than a 2.8 rod. The chevy power manual states use can use SBC SJ rods, but the 3.4 rods are about just the same thing allready.

Well those are some of the differences between the 2.8L block and the 3.4L
You can clearly see why the 3.4 is such a stronger/better block than a 2.8


------------------
"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
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Report this Post12-22-2007 06:18 AM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
dyno dyno dyno dyno
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Report this Post12-30-2007 07:17 PM Click Here to See the Profile for 3.6lvvt6spdgtSend a Private Message to 3.6lvvt6spdgtEdit/Delete MessageReply w/QuoteDirect Link to This Post
here is my 3.4l p/r rebuilt ATK longblock swap and turbo build
http://www.fiero.nl/forum/Forum2/HTML/087040.html
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Report this Post01-27-2008 12:21 AM Click Here to See the Profile for ZefyrClick Here to Email ZefyrSend a Private Message to ZefyrEdit/Delete MessageReply w/QuoteDirect Link to This Post
Hey sardonyx, When you get down to vegas sometime this summer, I need to show you some things about my ideas on the TT4.9L. From what I can gather I found an inexpensive forged crank and many other interesting parts. Still looking for a definition file for the ECM and deciding on what ECM to use.
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Report this Post02-18-2008 04:14 PM Click Here to See the Profile for Fiero_Fan_88Click Here to Email Fiero_Fan_88Send a Private Message to Fiero_Fan_88Edit/Delete MessageReply w/QuoteDirect Link to This Post
So If I put a 3.4 in an 86Gt automatic I would need a flexplate from an 88 or could I keep the one thats in there?

------------------
"A mobile home with a flat tire, is just a home."
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Report this Post02-19-2008 07:26 PM Click Here to See the Profile for JazzManClick Here to Email JazzManSend a Private Message to JazzManEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Fiero_Fan_88:

So If I put a 3.4 in an 86Gt automatic I would need a flexplate from an 88 or could I keep the one thats in there?



You need the '88 flexplate, or '88 and up flexplate as other 2.8/3.1/3.4 motors beside the Fiero use the same one.

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Report this Post03-31-2008 04:44 PM Click Here to See the Profile for npdimonteClick Here to Email npdimonteSend a Private Message to npdimonteEdit/Delete MessageReply w/QuoteDirect Link to This Post
Great link! I just picked up a 3.4L over the weekend and plan on using this link to guide me through the swap and engine rebuild. One question I have though, my oil filter mount on the 3.4L has a 90 degree adapter. Is there a way to eliminate this adapter and just have the filter screw onto the block? This link shows both configuration on two different 3.4L.

Thanks,

------------------
'88 Fiero GT 5-spd
'03 Jetta GLS TDI 5-spd

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Report this Post03-31-2008 05:32 PM Click Here to See the Profile for 3.4 2M6Click Here to Email 3.4 2M6Send a Private Message to 3.4 2M6Edit/Delete MessageReply w/QuoteDirect Link to This Post
HEY!!!! Nice work!!! I remeber doing my 3.4l swap only 6 months ago... haha. I just wish i painted the block and took pictures like you guys!!!
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Report this Post03-31-2008 05:48 PM Click Here to See the Profile for unboundmoClick Here to Email unboundmoSend a Private Message to unboundmoEdit/Delete MessageReply w/QuoteDirect Link to This Post
quote----

And yes that is the 85 ECM, if the chip has FTY it is a stick and FTX an auto.

------------

I bought an 85 ecm through Ebay for 20 but I couldn't tell if it was from a stick or not and the guy didn't know from the junk yard. Say it is a FTX auto, is there a way to write a program for the stick utilizing the knock sensor or is it for the trash. I figure for 20 bucks it was a good gamble. Thanks for the knowledge though.

Hows the saab intercooler doing? I've heard a lot of opinions. Good and bad. I've got one too but I wanted to locate it in the wheel well since I'll have the stage II scoops on. I wonder what the best turbo configuration is on our car. Question.... If the original air intake sucks the air into the wheel well to breathe how well will an intercooler benifit in this area since the intercooler itself doesn't have the intake vacuum and primarily needs forced air through its fans/vents for cooling? Do you think the air will still venture in the wheel well because of the scoops shape or fly on by? I was thinking of adding a little clear tinted scoop, kind of like a window drip guard. Of course not that big nor the its shape. Just an example for a visual to help guide the air into that area. What do you think.

I noticed the location of yours but I was thinking to keep the engine vents clear (I even cut the bottom second set of louvers off them) to maintain a cooler engine compartment. Thinking heat rises.
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Report this Post07-04-2008 10:52 AM Click Here to See the Profile for duanewClick Here to Email duanewSend a Private Message to duanewEdit/Delete MessageReply w/QuoteDirect Link to This Post
Add one more swap for this page, in progress.
87 Gt, the original 2..8 went almost 200,000 miles, and then dumped antifreeze due to the intake gasket. The information here has been terribly helpful, going with a stock rebuild on the 3.4. The motor is done, and now in process of transferring all the exterior parts from the 2.8. There is a lot of stuff on these little motors.
I am going back and forth on 2 issues. No. 1, which injectors to use, and whether or not to take a chance on using them as they are or sending them off to be cleaned. No. 2. Do I feel lucky enough to drill the starter holes as lots of other folks have done, or do I buy the starter jig?

Anyway, just wanted to say thanks for all the info, it has been fun reading it beginning to end.

Duane

[This message has been edited by duanew (edited 07-04-2008).]

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Riddick85
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Report this Post07-05-2008 05:43 PM Click Here to See the Profile for Riddick85Send a Private Message to Riddick85Edit/Delete MessageReply w/QuoteDirect Link to This Post
I read through the thread but it didn't answer a few questions I had. When wiring it up, use the stock 2.8 computer and 2.8 harness or 3.4 computer and 3.4 harness or some combination? I read that it is all plug and play but what parts are really used? Also no need to retune the computer? Thanks

[This message has been edited by Riddick85 (edited 07-06-2008).]

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McCool
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Report this Post07-10-2008 10:01 PM Click Here to See the Profile for McCoolClick Here to Email McCoolSend a Private Message to McCoolEdit/Delete MessageReply w/QuoteDirect Link to This Post
My 2.8 is pissing me off and this 3.4l swap has caught my eye and I just wanted to ask a few questions to see if this is the right swap for me.

I love the simplicity and economy of this swap and I love how I can utilize most of the parts I already have for my 2.8. The biggest problem for me is I want an engine that has 180-200hp NA with the torque to match. So I would like to know what this engine is capable of and what needs to be done to it in order to get to 180+ hp mark.

What is the difference between the 3.4 iron head and the 3.4 alluminum (is it pretty much the same deal as the 3.1 to the 3100?)

On my 2.8 the valve covers leak like a sieve even though I just put new gaskets on them. I've spoken to some other guys and they say the 2.8 is notorious for leaking at the valve cover. Does the 3.4 have this problem?

On and general automotive mechanics note, I was wondering if someone could explain to me more about rocker arms, rods and lifters. I don't understand why changing them increases performance or economy. What is the difference between a regular rod and a roller tipped rod. What does 1.6 arms mean? Why does swaping out one type of rocker for another change anything about the engine?

Thanks a lot guys, much appreciated.
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