tire size
- Thread starter 1984 Regal 327
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With what rim? 14x6, 15x7, 15x8, 16x8 etc. Regardless assuming backspacing is ideal it comes down to tire height and section width.
I know you can run at least up to 27 tall up front with a section width of at least 9.5". I use a 235/60/15. In the rear you can run at least 27 " tall with a section width of 12.2" 28" tall with a section width of 11" or 29" tall with a section with of 10.2. Slightly larger may fit depending on backspacing and some variance from car to car. Those are 295/50/15, 275/60/15, and 255/70/15. With a small frame notch you can easily run 295/65/15 a 29" drag radial and I have seen 315s but than may have had fender wheelwell clearencing etc.
I know you can run at least up to 27 tall up front with a section width of at least 9.5". I use a 235/60/15. In the rear you can run at least 27 " tall with a section width of 12.2" 28" tall with a section width of 11" or 29" tall with a section with of 10.2. Slightly larger may fit depending on backspacing and some variance from car to car. Those are 295/50/15, 275/60/15, and 255/70/15. With a small frame notch you can easily run 295/65/15 a 29" drag radial and I have seen 315s but than may have had fender wheelwell clearencing etc.
i'm looking at 15x7 american racing torque thrusts. im new to the g body cars so i dont really know
you'll have more than enough room for just 15x7's, I just had 27.5" tall tires in the back of my 78 mc and they cleared. I think around 26" (215/65/15) is what you'd probably wanna run though.
Get 15x7 up front 15x8 rear. 235/60/15 stock height for performance gbodys with a 275/60/15 in the rear.
dogshit said:
Are you sure you have those sizes right? I just pulled 15x7s and 15x8s off my monte and they were 215/65/15, and 235/65/15, 275 is huge for an 8 inch rim, you're gonna have a ton of bulge. I've got 295's on my 15x10's...
235s are fine on 7 and 8 inch rims. usually 7 inch rims run 215s, 8s run 245s and 9s run 275s (thats what ive found on the majority of stock gm rim and tire combos)
275/60R15 is fine on an 8 inch wheel. most of the tire manufacturers give the actual measurements on an 8 inch wheel for a 275. 275/60R15 is the biggest tire you can fit on the rear with no notch and 4" backspacing. 3.5" is very close to the outer lip,and 4.5 will need a spacer. i run 4" backspacing with an 8 inch wide wheel and have a rolled lip with no inside or outside contact.
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