I have 7 x 17 and 8 x 17 Budniks. What would the best size be to run? There were 245-45-17 all around when I got it, but I want bigger on the rear. Any thoughts?

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'89 GTA 350, edelbrock headers, 3" exhaust, Flowmaster muffler, Crane HI-6 ignition, cone filter, KYB AGX shocks and struts, urethane bushings and motor mounts, more on the way. My fast car is a '91 NSX, B&M adjustable fuel pressure regulator, Flowmaster exhaust, no cats, Cantrell Concepts Ram air system. Still love my GTA.

 

Come on, someone has to have an opinion on this. Does anyone know what size tire on a 17 x 8 rim will keep the speedometer correct? I was thinking 225\45\17 in front and 255\45\17 in the rear. Any thoughts?


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'89 GTA 350, edelbrock headers, 3" exhaust, Flowmaster muffler, Crane HI-6 ignition, cone filter, KYB AGX shocks and struts, urethane bushings and motor mounts, more on the way. My fast car is a '91 NSX, B&M adjustable fuel pressure regulator, Flowmaster exhaust, no cats, Cantrell Concepts Ram air system. Still love my GTA.

 

Since its not the width, but the height of the tire that changes your speedo readings, you could go as wide as a 275 on the rear, if it'll clear everything. (and I'd think it would)

You're running a tire with a /45/ sidewall height on the front and the rear, so with a 7" wheel the 245 tire will work excellent in the front. (again if it clears everything) Otherwise the 225 up front.