V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Timing chain fitment

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Old Jul 11, 2012 | 02:31 PM
  #1  
projectfirebird's Avatar
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From: Corpus Christi, TX
Car: 92 Firebird
Engine: 3.1 MPFI
Transmission: 700R4
Timing chain fitment

This friday, I'm going to order a new cam and set of lifters for my 3.1 v6, and my question is if this 2.8 timing chain would fit my car:

http://www.summitracing.com/parts/CCA-3030/
Part #CCA-3030

I searched this site to see if I can. I know the 2.8 and the 3.1 have very few differences, I just want to make sure the timing chain length isn't one of them.
Thanks.
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Old Jul 11, 2012 | 03:02 PM
  #2  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Timing chain fitment

that chain will fit, but thats not the part u want.

thats only part of replacing the timing set, u also want new gears and chain guide
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Old Jul 11, 2012 | 03:05 PM
  #3  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Timing chain fitment

this is what u want
http://www.summitracing.com/parts/SLP-KT3-368S/

i cant recall if my timing sets came with the chain guide or i had to buy them sepratly
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Old Jul 11, 2012 | 05:25 PM
  #4  
projectfirebird's Avatar
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From: Corpus Christi, TX
Car: 92 Firebird
Engine: 3.1 MPFI
Transmission: 700R4
Re: Timing chain fitment

Ok thank you. And also, do I really have to lift the engine and remove the oil pan like the chilton's manual says? I guess I'd just have to look at it when I get to it.
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Old Jul 11, 2012 | 05:39 PM
  #5  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Timing chain fitment

i know for a fact with the 2.8 u dont have to lift the engine, u drop the pan and rotate the crank and it slides back a lil bit, then u turn the crank and it will drop back some more and finally out .

the 3.1's longer stroke on the crankshaft may prevent that
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Old Jul 11, 2012 | 06:29 PM
  #6  
projectfirebird's Avatar
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From: Corpus Christi, TX
Car: 92 Firebird
Engine: 3.1 MPFI
Transmission: 700R4
Re: Timing chain fitment

Thank you again, project 89. When all the parts I need come in, I will start a build thread. My engine is already mostly apart, and my goal is to have it set to where all I have to do is put the new parts in!
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Old Jul 12, 2012 | 08:36 AM
  #7  
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Timing chain fitment

Originally Posted by projectfirebird
Ok thank you. And also, do I really have to lift the engine and remove the oil pan like the chilton's manual says? I guess I'd just have to look at it when I get to it.
No need to touch the pan to take the timing cover off. Even the FSM states to remove the oil pan to remove the front cover, not sure why.

RBob.
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