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Discussion in 'Suspension, Steering, Brake & Wheel Topics' started by bfmgoalie, Nov 24, 2017.
Will a tire with a 28" diameter fit in the front of a stock '73?
I ran 235/70x15, which is 28" dia. That's a pretty big tire on the front, I had to massage the inner fender well with a BMF rubber hammer in a couple places, replace fender bolts with low profile bolts, but after that, no problem. Remember these old cars are not all alike, yours may work easier, or may not. That tire does fill up the hole. I can dig up a pic if you want.
Did you have the same size in the rear 235/70R-15? I’m looking at a 28 inch diameter tire for the rear to help lower my highway rpm’s some. I can’t afford a lower rear gear change or an OD tranny right now. I hope this 28 inch tire diameter on 15 x 7 rim will help a little as a cheap short term solution. I have a 79 Z with a 383, th400, and 3.73 posi rear. At 55/60 mph it runs around 3k on the tac. How did it work on the rear for you? Thanks!
Brian, IMO a 28" tire would be too tall and may cause rubbing issues, I would look at a tire in the 26"-26"1/2 range. I run 26" front and 26"1/2 rear.
considering 225/70/15s, about 27.5, came stock on some and they often rubbed....
28 inch tall tires on the front will probably rub bad. I'm confident you could fix that with the right Springs. You certainly will get a smoother ride with a bigger diameter Tire and I'll bet they look good too. Of course you could just run regular size 26 inch tall tires on the front and put the 28 on the back and achieve your gearing goal without the headache of the rub in the front.
That is exactly what I was thinking! I have stock springs front and rear and am hoping the 28 inch diameter tire on a stock 15 inch z28 rim will fit on the rear axle without any clearance issues. Anyone have 26 diameter tires in front and 28 inch diameter tires in the rear? Thanks!
My car has 26 / 27.5 combo in my signature picture.
Yes, all 4 same size, no issues on rear.