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Discussion Starter · #1 ·
Ok i tried to find a form to tell me what im looking for but couldnt.

94 formula

im trying to find out if 17x9.5 will fit the front and rear without any mods

and if a 18x10.5 will fit the rear with no mods

thanks
 

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Ramblin' Wreck
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5,080 Posts
Try asking Injuneer over at camaroz28.com. He's an expert on your car.
 

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1994 Firebird Formula 381ci LT1 / TH400+GV O/D
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I was here trying to respond to someone's e-mail.

The 17" x 9.5" wheels will fit as long as the offset of the wneel is in the range of 45-56mm. I have run both 49mm and 56mm offset with no problems. 275/40-17 is the correct tire size.

I currently run 17" x11.0" 50mm offset in the back, with 315/35-17 BFG Drag Radials. Took a bit of tweaking the rear wheel wells - a bit of hammering the inner fenders, cutting the projecting edge of the jounce bumper brackets, and rolling the fender lip.. An 18"x10.5" will work without the tweaking, as long as you keep the offset close to between 45-50mm.
 

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Discussion Starter · #4 ·
thanks i greatly appreciate the info!! im assuming the 17x11.0 has better performance though? i found these oe replica wheels c6zo6 with the front in 17x9.5 and rear in 18x10.5 is why im asking i want to make an informed decision

any videos of your formula i can watch i love the way your car looks

just noticed the offset is 56mm i would require a spacer?
 
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