Axle ratio??
Thread Starter
Burning Brakes
Joined: Apr 2001
Posts: 1,102
Likes: 8
From: North\East Wisconsin
I have an 86 with Alum Heads. I replaced my MAF relays and the MAF sensor. She's running real nice now. I would like to upgrade the PROM. I need to know what my gear ratio is to get the correct part, don't have a clue as to how to determine that. I also need to know what the tranny is??? It's an automatic with OD. Every thing is stock. Any help??? How hard is it to do this upgrade?
Drifting
Joined: Feb 2001
Posts: 1,911
Likes: 0
From: Waukesha Wisc.
the rear axle code is a yellow sticker attached to the left mounting bracket of the diff. cover.......1986
2:59-6YB
2:73-5YN
3:07-5YX
3:07-4YT
3:07-4YL
.....if you can't find your RPO Sticker.....
I think 3:45 is the best ratio for an L98 per most Forum Member's.......
2:59-6YB
2:73-5YN
3:07-5YX
3:07-4YT
3:07-4YL
.....if you can't find your RPO Sticker.....
I think 3:45 is the best ratio for an L98 per most Forum Member's.......
