stock gears?
Team Owner
Joined: Feb 2005
Posts: 32,519
Likes: 1
From: central America
St. Jude Donor '08-'09
You know you can figure out your ratio by putting your car on jack stands and then seeing how many times you have to turn your driveshaft before the rear tires make one complete revolution.
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
Drifting
Joined: Aug 2004
Posts: 1,677
Likes: 1
From: Potomac Falls VA
Originally Posted by 72 stingray owner
You know you can figure out your ratio by putting your car on jack stands and then seeing how many times you have to turn your driveshaft before the rear tires make one complete revolution.
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
Team Owner
Joined: Feb 2005
Posts: 32,519
Likes: 1
From: central America
St. Jude Donor '08-'09
If you find your build sheet, I'm sure it is on there. Build sheet is generally on top of the gas tank. Some people remove the little rubber gasket that surrounds the gas tank inlet, and are able to retrieve it without dropping the tank.
I'm not sure if the VIN can be decoded for rear end options.
trw
I'm not sure if the VIN can be decoded for rear end options.
trw
Drifting
Joined: Aug 2004
Posts: 1,677
Likes: 1
From: Potomac Falls VA
Originally Posted by 72 stingray owner
If you find your build sheet, I'm sure it is on there. Build sheet is generally on top of the gas tank. Some people remove the little rubber gasket that surrounds the gas tank inlet, and are able to retrieve it without dropping the tank.
I'm not sure if the VIN can be decoded for rear end options.
trw
I'm not sure if the VIN can be decoded for rear end options.
trw
I guess not.
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Drifting
Joined: Aug 2004
Posts: 1,677
Likes: 1
From: Potomac Falls VA
Originally Posted by 72 stingray owner
No idea if its stamped on the pumpkin...now I'm curious.
Time to get the jack out and open up the manuals.
Give me something to do when I'm changing oil tonite.
trw
Time to get the jack out and open up the manuals.
Give me something to do when I'm changing oil tonite.
trw
Really curious.
Thanks
Race Director
Joined: Dec 1999
Posts: 19,610
Likes: 778
From: Forked River NJ
Originally Posted by 72 stingray owner
You know you can figure out your ratio by putting your car on jack stands and then seeing how many times you have to turn your driveshaft before the rear tires make one complete revolution.
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
(I'm pretty sure this is how it works, been a while since I've done this, if i'm wrong, feel free to flame and then correct me.)
trw
Team Owner
Joined: Feb 2005
Posts: 32,519
Likes: 1
From: central America
St. Jude Donor '08-'09
I looked for some numbers, but couldn't seem to find any that easily...aka I didn't feel like getting the degreaser out along with a light and do a real thorough search. If I do find any numbers, I'll let you know. I have to go back and add some oil, so when I do that (which will be soon) I'll report back some results.
sorry for the disappointment.
trw
sorry for the disappointment.
trw
Le Mans Master
Joined: Mar 2004
Posts: 7,493
Likes: 1,502
From: Little Rock AR
The easy way is to mark the driveshaft and mark a tire then rotate as was suggested above unless you are an NCRS type person. Vette differentials have broadcast codes stamped into them that can be decoded. The factory stamped code is on the bottom of the rear of the differential near the edge of the cover. Look for the first 2 or 3 letters and it could be decoded into ratio, then comes the rest of the characters that gives you manufacturer, date and assembly.
-Mark.
-Mark.
Race Director
Joined: Jan 2003
Posts: 15,176
Likes: 88
From: State of Confusion
Originally Posted by Gordonm
This is the most positive way to determine axle ratio besides pulling the pumpkin and looking at the gears. The numbers can be decoded but if someone has changed the gears before you it is worthless.
We ARE talking about cars that are almost 25 years old:
WHO knows WHAT they have been thru in that time-period.....
Le Mans Master
Joined: May 2005
Posts: 9,996
Likes: 0
From: if you have a ? on my avatar, please contact me directly, you spineless twit
St. Jude Donor '09
According to my Chilton's manual 72-75
code, ratio
AX, LR 3.36
AC 4.11
AB 3.70
AA 3.55
AW 3.08
AV 2.73
going to do the diff fluid tomorrow, have that dreaded clunk
code, ratio
AX, LR 3.36
AC 4.11
AB 3.70
AA 3.55
AW 3.08
AV 2.73
going to do the diff fluid tomorrow, have that dreaded clunk
