Rear Axle Gear Ratio Question
Cruising
Joined: Mar 2008
Posts: 11
Likes: 0
From: elizabethtown ky
K guys I'm looking for a gear change myself, I just put a fresh 355 with 10-1 comp 555 lift cam, ported aluminum L-98 heads, roller rockers, single plain intake, 750 holley carb, an 2500 stall but flash almost 3.
Problem: I was planning on just hoping out on the street an just nailing it an blowing the tires off as long as i wanted but seems like the car is little sluggish an doesn't spin at all does pull decent. btw its a 86 a/t but came with the aluminum heads, This cars is mostly street an strip toy.. NOt worried about gas
Problem: I was planning on just hoping out on the street an just nailing it an blowing the tires off as long as i wanted but seems like the car is little sluggish an doesn't spin at all does pull decent. btw its a 86 a/t but came with the aluminum heads, This cars is mostly street an strip toy.. NOt worried about gas
Team Owner
Joined: Dec 2007
Posts: 20,974
Likes: 261
K guys I'm looking for a gear change myself, I just put a fresh 355 with 10-1 comp 555 lift cam, ported aluminum L-98 heads, roller rockers, single plain intake, 750 holley carb, an 2500 stall but flash almost 3.
Problem: I was planning on just hoping out on the street an just nailing it an blowing the tires off as long as i wanted but seems like the car is little sluggish an doesn't spin at all does pull decent. btw its a 86 a/t but came with the aluminum heads, This cars is mostly street an strip toy.. NOt worried about gas
Problem: I was planning on just hoping out on the street an just nailing it an blowing the tires off as long as i wanted but seems like the car is little sluggish an doesn't spin at all does pull decent. btw its a 86 a/t but came with the aluminum heads, This cars is mostly street an strip toy.. NOt worried about gas
it is like 1200 for a shop to do your rearend! up to you!
Thread Starter
Advanced
Joined: Jul 2008
Posts: 55
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i am looking for a stoplight warrior also - everyone keeps telling me that i will have a humm or sound from the change due to aftermarket parts. how bad is this "sound"? i took it in this morning so hopefully i reply with results in two days....
Team Owner
Joined: Sep 2001
Posts: 62,066
Likes: 1,722
From: Athens AL
C7 of the Year - Unmodified Finalist 2021
C4 of Year Finalist (performance mods) 2019
If the gearset is installed properly it should not make a sound, this is why this job is best left to an experienced professional.
Team Owner
Joined: Dec 2007
Posts: 20,974
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keep us posted on what happens!
Team Owner
Joined: Dec 2007
Posts: 20,974
Likes: 261
I have heard that non stock gears will have a noise of a sort! some boil them all sorts of lil tricks to try to quiet them, but since people have been doing gears in c4's the overall concensus is there will be a noise.
Intermediate
Joined: Jul 2013
Posts: 38
Likes: 0
From: Phoenix Arizona
3.07 gear ratio in a 1984 Corvette
Last edited by cherrypoppins; Jul 22, 2016 at 12:07 PM.
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Joined: Aug 2004
Posts: 21,543
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From: Park City Utah
3.07 is probably just fin for that car. If you want "more", then the place to look would be converter, ported intake, tuning, and exhaust from the head to the tip.
After all that, then more gear would help.
After all that, then more gear would help.
Safety Car
Joined: Jan 2014
Posts: 4,017
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From: Poughkeepsie New York
I checked my RPO codes on my 1984 Corvette - 52000 miles and it says it has a 3.07 gear ratio I used to own a1998 and I know that the 1984 is much slower. is 3.07 a good gear ratio to have in a 84 Corvette? from what I hear it's better than 2.59 I just wanted to be a little bit closer to the 1998 Corvette that I used to own in performance however everything else about this 84 is much better just seems more solid than my C5 I used to own
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From: Poughkeepsie New York
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From: Park City Utah
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With slightly more than 400 units mentioned I believe it was maybe just an "oversight" in the marketing brochures/spec sheets for the car. Part of a package? I don't believe OR I should say I've never seen it mentioned.
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
Intermediate
Joined: Jul 2013
Posts: 38
Likes: 0
From: Phoenix Arizona
With slightly more than 400 units mentioned I believe it was maybe just an "oversight" in the marketing brochures/spec sheets for the car. Part of a package? I don't believe OR I should say I've never seen it mentioned.
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
Race Director
Joined: Apr 2003
Posts: 17,694
Likes: 1,666
From: moraga ca
With slightly more than 400 units mentioned I believe it was maybe just an "oversight" in the marketing brochures/spec sheets for the car. Part of a package? I don't believe OR I should say I've never seen it mentioned.
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
If most of the NEW '84 buyers knew of the ratio option I'd have thought there would have been many "thousands" of units.
I don't know that CFI-EFI's car actually was a 3.31 (GW4) but I certainly do miss the guy. Entertaining he was!! YES TOM RIP CFI-EFI !!!!
