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Mar 9, 2009 | 08:35 PM

Mike Leaf Fan

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Joined: Dec 2008

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From: Halifax Nova Scotia

Hi everyone New Guy with a question?

Hi Guys and Girls!

I just bought a 69 Convertable, I don't have the car in my garage yet. I want to run BF Goodrich radial tires with raised white letters? I was wondering what are the tire sizes for that model year? Should I run the same size on all 4 tires? Or should I run larger tires on the back end? If so what size on the rear?

Thanks much: Mike

Mar 9, 2009 | 09:28 PM

EIGHTY

Racer

Joined: Feb 2009

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From: Louisiana

http://www.69corvette.com/69specs.html
That web site has the specs for a 69 Vette. It says that your stock tire size is F70x15. I have a 1980 with BF Goodrich Radial T/A's. I have the same size around the whole car. It's really up to you if you want bigger tires in the rear. Some people do, some people don't...

Troy

Mar 9, 2009 | 09:52 PM

PeteZO6

Drifting

Joined: Apr 2007

Posts: 1,970

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From: Cameron Park CA

My car came with crappy Goodyear F70-15 bias ply tires. I had them balanced many times in an effort to keep the car from shaking at highway speed. On July 27, 1972 at 35,260 miles I put four BFG Radial T/A tires on the car, size GR70-15. Those tires lasted until April 9th 1981, 104,500 miles when I put Goodyear Eagle GT P255/60-15 - this size tire was optional on Corvettes by then. I went back to BFGs about 5 or 6 years ago also P255/60-15. The only interference I have is at full lock the inside rear of the front tires rub the frame rail. This only happens when making say, a tight U-turn. My car is not lowered, which could possibly cause the tires to rub or catch on the front fender fiberglass. That would not be a good thing.

Here it is wearing the newest BFG T/A tires P255/60/15 all the way around.

Last edited by PeteZO6; Mar 9, 2009 at 10:03 PM. Reason: Correct tire size to GR70-15 after finding the receipt.

Mar 9, 2009 | 10:01 PM

71coupe454

Burning Brakes

Joined: Jan 2009

Posts: 1,224

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From: Clarksville Indiana

I just put P255/60r15 Eagles on my 71, I dont have the motor/trans in yet but I think they will be fine. They are a little close to the e-brake cables on the rear but I think that will be ok to. I think thats the best looking size in a 15 on these cars.

Mar 9, 2009 | 10:20 PM

GD70

Le Mans Master

Joined: Jan 2007

Posts: 5,485

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From: Peekskill NY

I'm running 235-70-15's which fill the wheel wells nicely.

Mar 9, 2009 | 10:56 PM

vettebuyer6369

Administrator

Joined: Jul 2000

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From: About 1100 miles from where I call home.

Ive put wider and taller replacement radials on my '69s and didnt like the look. Im back to Diamondback F70-15 redline radials.

PS, rookie or not, it's "convertible," Maple Leaf Dude.

PPS: nonononono no no noooooo on the bigger tires in back. It 'ain't 1977.

Mar 9, 2009 | 11:04 PM

Douglas Mariani

GM Cert Corvette Tech

Joined: Apr 2008

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From: Anaheim Hills California

I have P245/60r15 Eagles on my 68BB and they fill the wheel well real nice.

Mar 10, 2009 | 10:37 AM

Derrick Reynolds

Team Owner

Joined: Jul 2008

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From: In limbo

St. Jude Donor '13-'15, '17 thru '22

Quote:

Originally Posted by 71coupe454

The OP might want to be a little careful here. The shape of the front fenders was changed from '69 to '70 to add the flares, and there is definitely more room in your '71's wheel wells than on a stock '69. My memory is bad, but it was either '69 or '70 where the change was made from the stock 7" wheels to the 8" wheels, I assume the fender shape or something else was changed to accomodate the larger wheels.