Gears
Race Director
Joined: Dec 2000
Posts: 17,551
Likes: 26
From: El Paso Texas
Le Mans Master
Joined: Aug 2000
Posts: 8,838
Likes: 31
From: Australia
http://www.corvetterecycling.com/category_s/441.htm
If you don't , then 3.07 might be better .
Ready to bolt in units on eBay ( items # 300450669654 / 110568690111 ) for $300+ and you get to sell your old one
If you don't , then 3.07 might be better .
Ready to bolt in units on eBay ( items # 300450669654 / 110568690111 ) for $300+ and you get to sell your old one
Last edited by rodj; Aug 3, 2010 at 09:09 AM.
Drifting
Joined: Aug 2009
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Drifting
Joined: Jun 2009
Posts: 1,286
Likes: 446
From: Upstate NY
I have a 79 Z/28 that has 30k miles and is bone stock. It has the factory Quadrajet, Borg Warner T-10 4spd close ratio and factory 3.73 posi -it is the only thing that makes the car "feel" quick.
Racer
Joined: Jun 2009
Posts: 429
Likes: 0
From: Marlborough CT
Also ETRBUJ1984, here is a set of Richmond gears for an 84. Found them on Jegs website.
http://www.jegs.com/i/Richmond+Gear/...110-1/10002/-1
Last edited by gkrynick22; Aug 3, 2010 at 10:27 PM.
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Race Director
Joined: Dec 2000
Posts: 17,551
Likes: 26
From: El Paso Texas
NOW....that said, if the engine has been modified where it can wind out higher (ported intake, X-Ram, cam, better flowing heads, etc) and still breathe, it may be able to take advantage of the extra steep gears.
The CFI came stock with 3.07 gears, which are ideally suited to it in stock trim.
Thread Starter
Instructor
Joined: Dec 2009
Posts: 124
Likes: 0
From: glens falls ny
I was thinking about caming the car shortly after the gears but i will be driving it around before. Ive ask this question before too but ill ask it again..... is a carb swap a good idea for the cross fire engine ? As far as the car its an auto. d36 rear end and it has a k&n filter, true duel exhaust no cat.
Last edited by ETRBUJ1984; Sep 28, 2010 at 12:05 AM.
Race Director
Joined: May 2006
Posts: 10,691
Likes: 71
From: Phoenix Arizona
True, it will feel quicker, but in the case of the Crossfire, the intake is so restrictive that with 3.73 gears, 1st gear will evaporate very quickly with the engine no longer making any power until it shifts.
NOW....that said, if the engine has been modified where it can wind out higher (ported intake, X-Ram, cam, better flowing heads, etc) and still breathe, it may be able to take advantage of the extra steep gears.
The CFI came stock with 3.07 gears, which are ideally suited to it in stock trim.
NOW....that said, if the engine has been modified where it can wind out higher (ported intake, X-Ram, cam, better flowing heads, etc) and still breathe, it may be able to take advantage of the extra steep gears.
The CFI came stock with 3.07 gears, which are ideally suited to it in stock trim.
It doesn't matter what you do untill you get rid of the restrictive intake system. A cam and gears will just make things worse.
Team Owner
Joined: Dec 2007
Posts: 20,974
Likes: 261
I was thinking about caming the car shortly after the gears but i will be driving it around before. Ive ask this question before too but ill ask it again..... is a carb swap a good idea for the cross fire engine ? As far as the car its an auto. d36 rear end and it has a k&n filter, true duel exhaust no cat.
How far do you wind the car out now?
If it were me, you could do the gears, maybe not that low, or do the 3.75's but some guys here know how to port the CFi for some more air flow.
There are some here that have the CFI and 3.75. One is:
Thread Starter
Instructor
Joined: Dec 2009
Posts: 124
Likes: 0
From: glens falls ny
So what about a new intake manifold and carb idea... would everything else function right? one more question whats x-ram is that an intake itself?
Last edited by ETRBUJ1984; Oct 5, 2010 at 11:31 AM.
