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V6 Engine Rebuild -mild performance- maniac way by Fieromaniac
Started on: 08-28-2008 02:21 PM
Replies: 170 (21480 views)
Last post by: Rivethead on 01-21-2011 12:48 PM
TiredGXP
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Report this Post02-13-2010 04:37 PM Click Here to See the Profile for TiredGXPSend a Private Message to TiredGXPEdit/Delete MessageReply w/QuoteDirect Link to This Post
Hey, Fieromaniac!

This has been a great thread.

Are you going with liquid propane injection? That ought to give you a really cold and dense air/fuel charge to the cylinders. It'll be interesting to see how you tune for that high octane fuel and how the performance of the engine changes.

Cheers

Edit to add I own page 5!

[This message has been edited by TiredGXP (edited 02-13-2010).]

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Fieromaniac
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Report this Post02-15-2010 09:31 AM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
because of several glitches i decided , that this engine will get a normal sequential propane system and not the LPI system.
1. there is no datasheet for emissionvalues for the Fiero and without it i could drop in emmissionclass to a more expensive level (taxes )
2. LPI Injectors have to be very next to the intake valves with the normal injectors i have a hose coming of the injectorblock that goes to a small port i can drill into the lower manifold for each cylinder.
with standard fiero intakemanifolds there is simply not enough space .

3. LPI systems require an propane pump that pumps the liquid propane to the injectors and ive a lil "spaceissue " in the Fiero trunk.

our propane buthane mixture is rated at 116 octane so i guess ill set my ignition timing to 14degree for first testing.
I also add a exhaust temperature gauge to see what "window" is possible .

my buddys formula will get an 3800 na engine and i guess that is a very good candidate for the lpi system.
I guess ill start a 3800 rebuild thread soon

[This message has been edited by Fieromaniac (edited 02-15-2010).]

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Fieromaniac
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Report this Post03-10-2010 01:47 PM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
started with the install of the new LPG System.
of course i checked the valvelash too .



drilled the LPG ports in the middle manifold













good place for the evaporator and the ECU





setting the injectors to the engine size



injectorrails attached



injectorharness needs some extra cables







further installs







LPG Hoses + Filters



LPG systems MAP Sensor is attached

[This message has been edited by Fieromaniac (edited 03-10-2010).]

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Mr.Goodwrench
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Report this Post03-13-2010 11:15 PM Click Here to See the Profile for Mr.GoodwrenchClick Here to visit Mr.Goodwrench's HomePageClick Here to Email Mr.GoodwrenchSend a Private Message to Mr.GoodwrenchEdit/Delete MessageReply w/QuoteDirect Link to This Post
Your engine is beautiful. But with all that detail, why didn't you paint the block and heads?
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Fieromaniac
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Report this Post03-21-2010 02:05 PM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
New Project :

3800 N/A out of an 90-92 Transsport L27 i guess.
a friend of mine bought it with 2* 4T60E for 150 Euros

plans : several variants possible
- staying with a stock N/A
- turbo it .
- supercharge it
- stay as an N/A but with 9.5 piston 1.8 Rockers , perf. crank and some more goodies

here it comes







opened it up and it looks surprisingly well , in fact the heads , lifters and rockers look brand new





waterpump looks new to me too



buuuut heres the 1st thing : no gaskets unter the lower intakemanifold to the heads and keep tight on ur seats they mounted the Head without
a Headgasket . And for sure this engine was running for a while .



several years water in the cylinders cant be good



cleaned it a lil





rust



new freezeplugs and take a look to the teeth of the flexplate its also brand new



opened the bottom to pull the pistons and check the bearings











crank is very good but all bearings have to be new .


stay tuned . soon to be more

------------------
1984 Fiero Sport
1987 Fiero
1984 Fiero SE
1999 Chrysler Grand Voyager 3.3 LX LPG
SKYPE: Fieromaniac
*** nuclear winter cures global warming ***

[This message has been edited by Fieromaniac (edited 03-21-2010).]

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Fieromaniac
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Report this Post03-27-2010 12:27 PM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
made me a tool to pull the crank pulley . now i need to get of the Timingchain but the centerbolt in the cam sprocket wont come lose ..... is it left threadet ??











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fierosound
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Report this Post05-01-2010 02:02 PM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageClick Here to Email fierosoundSend a Private Message to fierosoundEdit/Delete MessageReply w/QuoteDirect Link to This Post
Good work. Just a bump...

...and the complete 60-degree V6 section from GMs Chevrolet Power Book (out of print)
can be downloaded here: //www.fiero.nl/forum/Forum1/HTML/073746.html

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My World of Wheels Winners (Click on links below)

3.4L Supercharged 87 GT and Super Duty 4 Indy #163

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Fieromaniac
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Report this Post06-09-2010 02:54 AM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
Update :

the 3.2 V6 engine from the begin of this thread has now 12000mls on the clock and its running very well on LPG.
Iam installing an Oilcooler atm .

Update II :

got a used 3800SC from the canadian PFF member 1fastlatino
now ill start making a engine out of both because several parts of the N/A are in better shape .
Ill post some pics later.

@fierosound :

i could use a GM Powerbook for the 3800 90° engines if there is one .

[This message has been edited by Fieromaniac (edited 06-09-2010).]

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Fieromaniac
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Report this Post06-09-2010 05:08 AM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
here some pics of the SC









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Fieromaniac
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Report this Post12-29-2010 01:56 PM Click Here to See the Profile for FieromaniacClick Here to visit Fieromaniac's HomePageSend a Private Message to FieromaniacEdit/Delete MessageReply w/QuoteDirect Link to This Post
24800 miles now on the 3.2 60° V6 of the beginning of this thread now .
big xmas present of my car ...
fuel lines are frozen now because i dont use the fuel system long enough and here is 13° below zero ...

we call it " arschkalt "

------------------
1984 Fiero Sport
1987 Fiero
1984 Fiero SE
1999 Chrysler Grand Voyager 3.3 LX LPG
SKYPE: Fieromaniac
*** nuclear winter cures global warming ***

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Rivethead
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Report this Post01-21-2011 12:48 PM Click Here to See the Profile for RivetheadSend a Private Message to RivetheadEdit/Delete MessageReply w/QuoteDirect Link to This Post
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