Join Date: Nov 2005
Location: East SF Bay Area
Re: Tire MountMate - please share your experiences
I used a mountmate to figure my bs out. It worked good. You have to have the tire you want to use. The challenge is for the front at least, having the car jacked up with weight on the suspension and turning the wheels side to side.
I think I could have done almost as well with a tape measure and a square. We know that a 26" (+/-0.5") diameter tire fits our first gens best. So it's just a matter of nailing the backspace not choosing between many different tires.
For me it's easier to think about "front space" instead of backspace. 1st gens had about 3.25" of front space on the wheel from the factory. So if you want to go wider than stock, all the remaining width has to go to the back space. So an 8" wheel minus 3.25" equals a 4.75" bs. You can't increase front space or the tires will stick out too far.
Your front number looks good to me. Is your car mini tubbed? That's the only way you'll get a 335 on.
When you get ready to "pull the trigger" talk to Frank at Prodigy/GP Superstore. He'll help get you pointed in the right direction. He offers his help free of charge even if you don't order from him. But he does "have the hookup" on a lot of cool wheels.
1968 that started life and a 6 banger with a PG. Now it's a 350 with a TKO600, Moser 12 bolt, Speedtech LCA/UCA, ATS Tall Spindles, Hotchkis Springs, Forgeline ZX3P, C5 (Kore3) brakes with other cool stuff from Ron Davis, Vintage Air and soon to be Terminator EFI.
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Last edited by eville; Aug 20th, 08 at 10:00 PM.