I have a question about the wheels and tires on my 90 Formula. The car has the 15 inch wheels that look similar to the Formula 16 inch wheels. I guess they are the ones that came on the regular sport coupes. The car also has 235/60R15 tires. I looked on the door jamb and it says the size should be 245/50ZR16. Is it possible someone changed the wheels or could you order the smaller wheels and get credit? I know the car is a Formula. It has all the right codes (W66, LB9, GU6, WS6, etc.) If anyone can help me I would really appreciate it. Thanks.

 

Anythings possible. If it said it came with 16's, then thats what it needs. I would just try selling off what you have and look for a used set of formula wheels on this site int he classified section.



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Mike L.
It ain't pretty.......

1987 IROC Z TPI 350 A4 3.27 Borg-Warner.

Mods: 2300-2500 Stall Converter, Shift Kit(GM parts), TPI Specialties Stage 3 PROM, Modified Airbox w/ K&N's, homemade cold air, Relocated MAT sensor, Gutted MAF, 160* thermostat, Accel 8mm Wires, bypassed TB coolant, Flowmaster 3 chamber single 3" in/out muffler, 3" MAC mandrel intermediate, custom dual !cat Y-pipe. airfoil, ported plenum. !smog

http://www.MichaelLasiuta.home.att.net

**BOYCOTT LAPEER DRAGWAY**

 

someone sold off my 16s too the bastards

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-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Soon to be installed:
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz

 

Be VERY careful with the 245/50/16's. I have an 88 Sport Coupe Convertible that someone put the IROC wheels (245's) on. They rub really bad, they are expensive and they only last around 20k miles. I just picked up a new set yesterday. I went to big O tires they quoted me 112 for Kumho's went to tirerack.com they quoted me 86, went back to big O they beat it and gave them to me for 82.86 each, that was the cheapest I could find. Great tires I was really surprised, but 500 bucks every 20k miles for tires sucks! (Alignment and tranny fluid change) But the upside is you get to do 180+! lol The 15's you a warranty. It's something to consider. IMO

 

Why would they rub on my car if that's what it's supposed to have?

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90 Formula 305 TPI 5 speed.
Bone stock (for now)