Formula wheels.
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Joined: Jun 2005
Posts: 409
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From: Tri-Cities
Car: 1991 pontiac Firebird
Engine: 305 tbi, Lo3 (for now)
Transmission: auto
Axle/Gears: stock (for now)
Formula wheels.
What are the dimensions on 3rd gen formula wheel. I have the standard 15 inch firebird wheels, but was thinking about going with the formula wheels. Im pretty sure they are wider, because I seem to remember seeing a formula with a 255 tire. But are they 15s or 16s. And are they wider than my factory 15 inchers. I might be building a sleeper, and want as much tire on the ground as possible. How wide of a tire can go on the formula wheels, safely. Thanks, in advance.
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Joined: Jun 2001
Posts: 287
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From: Bergen County, NJ
Car: 1988 Monte SS
Engine: ZZ4-cammed TPI 355
Transmission: World-Class T5
The Formula rims are 16x8s. They have different offsets for the fronts and rears, so you will want to try and find a complete set. You'd have to check with the tire manufacturer, but most recommend you don't go over a 255 on an 8" wide rim.
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
The factory tires are 245/50R16's The 255's work fine but I did not like how they stuck out slightly wider. Although it was subtle.
John
John
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