83 F100 Stepside Info needed!
Post Fiend
Joined: Jan 2000
Posts: 5,330
Likes: 17
From: Dryden, ON, Canada
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More Turbo
Joined: Jul 2003
Posts: 566
Likes: 5
From: SC
If it's a 4 speed automatic then it's an "AOD".
Stick you head under the rear bumper and look at the big center part of the rear axle. If the center part has a cover that's bolted on all around, then it's an "8.8 inch". If what you see has no circle of bolts and is just a rounded bulge then it's a "9 inch".
If you see a metal ribbon tag hanging on one of those bolts (you'll have look at the fronside of the axle if it's a 9") crawl under for a closer look. If it's readable, look at the second line, it will have numbers something like "3.L73 8.8 abc" (3.73 ratio limited slip 8.8") or "3.08 9abc" (plain 3.00 ratio 9"). The "abc" is just an example for the date code or whatever else is on there too.
Don't be surprised if the tag is missing or unreadable due to rust, the truck is 20 years old after all.
Ratios found in 83 F150's are :
2.47,2.75,3.00,3.25,3.50, and 4.11 for the 9 inch
and
2.47,2.73,3.08,3.55, and 4.10 for the 8.8's
Stick you head under the rear bumper and look at the big center part of the rear axle. If the center part has a cover that's bolted on all around, then it's an "8.8 inch". If what you see has no circle of bolts and is just a rounded bulge then it's a "9 inch".
If you see a metal ribbon tag hanging on one of those bolts (you'll have look at the fronside of the axle if it's a 9") crawl under for a closer look. If it's readable, look at the second line, it will have numbers something like "3.L73 8.8 abc" (3.73 ratio limited slip 8.8") or "3.08 9abc" (plain 3.00 ratio 9"). The "abc" is just an example for the date code or whatever else is on there too.
Don't be surprised if the tag is missing or unreadable due to rust, the truck is 20 years old after all.
Ratios found in 83 F150's are :
2.47,2.75,3.00,3.25,3.50, and 4.11 for the 9 inch
and
2.47,2.73,3.08,3.55, and 4.10 for the 8.8's
Last edited by GypsyR; Jan 8, 2004 at 11:34 PM.
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