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Sep 19, 2007 | 07:15 PM

74ray

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From: maple georgia

74 question?

I am 19 years old and am the proud owner of a 1974 L-82 corvette that I have owned for a year and a half and was just woundering what where the three diff gear ratios available during that year because Im trying to figure out what mine is. Its the secound to the best ratio offerd if anybody knows what that is???

Sep 19, 2007 | 07:54 PM

wfo76

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From: MS

Without A/C

L82 M20 - 3.55 std, 3.70 opt
L82 M21 - 3.70 std, 3.55 opt
L82 M40 - 3.55 std, 3.70 opt

With A/C

L82 M20 - 3.55 all
L82 M21 - 3.55 all
L82 M40 - 3.55 all

Sep 19, 2007 | 08:45 PM

fotyfobravo

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Joined: May 2005

Posts: 1,909

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From: Lake Arrowhead - Georgia > 72 Base Coupe & 74 BB Roadster

LS4....auto....no air = ? (3.08) ?

Quote:

Originally Posted by wfo76

Without A/C

L82 M20 - 3.55 std, 3.70 opt
L82 M21 - 3.70 std, 3.55 opt
L82 M40 - 3.55 std, 3.70 opt

With A/C

L82 M20 - 3.55 all
L82 M21 - 3.55 all
L82 M40 - 3.55 all

Sep 19, 2007 | 09:09 PM

wfo76

Drifting

Joined: Sep 2006

Posts: 1,259

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From: MS

No A/C

LS4 M20 - 3.08 std, 3.36 opt
LS4 M21 - 3.36 std, 3.08 & 3.55 opt
LS4 M40 - 3.08 std, 3.36 opt

A/C

LS4 M20 - 3.08 all
LS4 M21 - 3.36 std, 3.08 opt
LS4 M40 - 3.08 all

Sep 20, 2007 | 09:24 AM

mayberg

Burning Brakes

Joined: Nov 2001

Posts: 1,191

Likes: 1

Quote:

Originally Posted by 74ray

I am...the proud owner of a 1974 L-82 corvette

Please send me your VIN and info - link below.

Sep 20, 2007 | 07:02 PM

Easy Mike

Team Owner

Joined: Jun 2000

Posts: 38,923

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From: Southbound

Cruise-In II Veteran

Your differential has a stamped code on the bottom of it indicating what ratio it left St. Louis with. As long as the original ratio has not been swapped, these should work:

AX or LR 3.36
AA 3.55
AB 3.70
AC 4.11
AW 3.08
AV 2.73