I know that the correct size tire for '67 is a "775-15". My question is , did anyone try to use a "F70-15" Firestone Wide Oval tires on a '63-'67? From the specs., they look pretty close to the same overall dia., of course the wide oval tires have more tread width. I'm checking to see if they would fit without rubbing or hitting something. Thanks
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Re: Tires: 775-15 vs. F70-15
Ken - For quite a number of years, beginning in the late 60's, early '70's, I ran the wide-oval 'fashionable' F70 x 15 on my '67. They rubbed, sure...but minimally, and that was either turning or a decent bump.
If you want a yes or no, go ahead, put them on. You'll be OK.
But remember, if you have no power steering (like I don't), you're going to really horse that thing around, particulary parking.
Tom -
Re: Tires: 775-15 vs. F70-15
The F-70's were noted for custom triming on the fender lips of midyears. Not all cars would have this problem, but some did. I would be very cautious if I still had original fender lips, especially on the front.Dick WhittingtonComment
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Re: Tires: 775-15 vs. F70-15
When I purchased my '64 it had a set of BFG G70-15's tires that were installed in 1978 on the original 5.5" steel wheels. The original 6.70-15 was in the tub. The rears cleared no problem. The right front cleared no problem. The left front was lightly rubbing on the steering box boltheads and the tire had touched the fender lip while turning left, causing a 2" crack.Comment
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Re: Tires: 775-15 vs. F70-15
A good way to improve fender lip clearance and improve handling is to run a bit of negative camber in the front and increase negative camber on the rear.
Up to negative one degree at all for corners will maximize handling and not cause excess uneven wear. I also recommend hard urethane bushings on the front anti-roll bar links. This will increase front roll stiffness and help keep the car from transitioning to limit oversteer, which will be more pronounced with front negative camber and the OE rubber link bushings.
DukeComment
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