computer???
Thread Starter
Supreme Member
Joined: Jul 2000
Posts: 4,541
Likes: 2
Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
computer???
ok say i put the 3.4 in with 10 to 1 comp forged pistons, big cam and rockers........what will i have to modify in the computer to get it to work.......??
like what in the computer will prevent it from functioning properly................
well, luck may have answer the door......i just got scheduled for auto electronics as one of my first classes toward becoming a GM technician
like what in the computer will prevent it from functioning properly................
well, luck may have answer the door......i just got scheduled for auto electronics as one of my first classes toward becoming a GM technician
Supreme Member
Joined: Apr 2001
Posts: 1,049
Likes: 0
From: Garland, TX, USA
Car: 1992 Camaro RS & 1992 Camaro RS
Engine: 3.1 L v6 & 305 (5.0L) v8
Transmission: 4L60 Auto
nothing on the computer side because of the knock sensor, just use 3.4L injectors and a performance chip and RUN HIGHER octan because once you go over 9.5 to 1 it WILL PING at even the lightest acerleration.
GO HERE
This is the best kit
http://www.engine-parts.com/GMV6/gm34da.html
GO HERE
This is the best kit
http://www.engine-parts.com/GMV6/gm34da.html
Supreme Member
Joined: Jan 2001
Posts: 7,604
Likes: 1
From: ****SoCal, USA****
ON MY 1985 ENGINE MANAGEMENT EXAMPLE, I OFFER, my year does not have a knock sensor. My computer worked ok/fine, too.
YET, I've been educated that when ya go to the later years (than my 1985 Firebird) there are differences in many areas.
Start with a bone stock swap (in many areas, it's your call where ya hop up the engine before ya toss it under the hood), to start problem solving upon start up.
After my swap I discovered I had a bad MAS unit. I swapped it out for another, no problems since.
EXCEPT THOSE WIMPY 700R4 trannys!
Damn trannys.
GREAT 3.4 ENGINE!!
Those 3.4s come with a high compression ratio from the start. I believe 9.5 or close to that.
------------------
Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA
[This message has been edited by KED85 (edited August 01, 2001).]
YET, I've been educated that when ya go to the later years (than my 1985 Firebird) there are differences in many areas.
Start with a bone stock swap (in many areas, it's your call where ya hop up the engine before ya toss it under the hood), to start problem solving upon start up.
After my swap I discovered I had a bad MAS unit. I swapped it out for another, no problems since.
EXCEPT THOSE WIMPY 700R4 trannys!
Damn trannys.
GREAT 3.4 ENGINE!!
Those 3.4s come with a high compression ratio from the start. I believe 9.5 or close to that.
------------------
Chat Soon,
KED85
Karl
1985 Firebird 2.8 to 3.4 swap project for Smog Happy LA, CA
[This message has been edited by KED85 (edited August 01, 2001).]
Supreme Member
Joined: Mar 2000
Posts: 13,414
Likes: 6
From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
As far as I've seen, no 2.8 MPFI came with a knock sensor... I don't know about the 90-92 3.1's, though.
------------------
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!
------------------
-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
---Think your car could be pic of the week? Visit http://www.f-body.net for details!
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