PJB Posted May 18, 2003 Report Share Posted May 18, 2003 Whats the bolt pattern and back spacing on wheels for a '97 Cutlass Supreme 4 door? My friend is looking for some 18's for his car and I need to know the size so I can look at some online for him. Also, if the stock tire size is 215/65/16, what size tires would be the right size to keep the same height as stock on 18" wheels? Quote Link to comment Share on other sites More sharing options...
Redfox340 Posted May 18, 2003 Report Share Posted May 18, 2003 Is that the new style when it changes over to the N-Body? If so it's 5 x 100mm if not, it's the original 5 x 115mm. - RedFox340 Quote Link to comment Share on other sites More sharing options...
PJB Posted May 18, 2003 Author Report Share Posted May 18, 2003 Its a W body like mine Quote Link to comment Share on other sites More sharing options...
silverbulletz34 Posted May 18, 2003 Report Share Posted May 18, 2003 245/40/18 is what most people have Quote Link to comment Share on other sites More sharing options...
Heza Posted May 18, 2003 Report Share Posted May 18, 2003 Whats the bolt pattern and back spacing on wheels for a '97 Cutlass Supreme 4 door?My friend is looking for some 18's for his car and I need to know the size so I can look at some online for him. Also, if the stock tire size is 215/65/16, what size tires would be the right size to keep the same height as stock on 18" wheels? if it is still a w-body, the backspacing i believe is 25 mm. atleast that's what it is on grand prixs. for tire size, the closest bet for 215/65/16 to 18s would be 245/45/18. that would lead to 1.2% too fast on the speedometer. check this link, it's actually useful... http://www.miata.net/garage/tirecalc.html Quote Link to comment Share on other sites More sharing options...
Heza Posted May 18, 2003 Report Share Posted May 18, 2003 doh! my bad....backspacing for w-bodies is 5x115....the offset is +25 mm. sorry for the typo! Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted May 19, 2003 Report Share Posted May 19, 2003 Actually, bolt pattern = 5x115mm. Offset varies based on year and car. My '89 with 16" has +44mm offset. The '88 with 15" has +42mm offset. The '94 with 16" has +35mm offset. 90 TGP has +25mm offset. The lower the offset, the more the wheel sticks out. Higher the offset, the more tucked in it is. Backspacing is a figure not usually used when buying wheels. Backspacing = (width of wheel) / 2 + offset Don't forget that even aftermarket wheels with perfect size, bolt pattern, and offset often don't fit because of the front calipers. Also, make sure the center bore is at least 70.3mm diameter or they won't fit. Center bore is the hole in the middle. Quote Link to comment Share on other sites More sharing options...
Heza Posted May 19, 2003 Report Share Posted May 19, 2003 Actually, bolt pattern = 5x115mm.Offset varies based on year and car. My '89 with 16" has +44mm offset. The '88 with 15" has +42mm offset. The '94 with 16" has +35mm offset. 90 TGP has +25mm offset. The lower the offset, the more the wheel sticks out. Higher the offset, the more tucked in it is. Backspacing is a figure not usually used when buying wheels. Backspacing = (width of wheel) / 2 + offset Don't forget that even aftermarket wheels with perfect size, bolt pattern, and offset often don't fit because of the front calipers. Also, make sure the center bore is at least 70.3mm diameter or they won't fit. Center bore is the hole in the middle. well don't i feel like an idiot. thanks for leaving me corrected! Quote Link to comment Share on other sites More sharing options...
PJB Posted May 20, 2003 Author Report Share Posted May 20, 2003 I looked on ebay last night and wheels seem expensive. My friend is cheap, so I dont know if he'll get any. He's the guy with the metal flaked Supreme. Quote Link to comment Share on other sites More sharing options...
91GranSport Posted May 20, 2003 Report Share Posted May 20, 2003 Damn, that is a NICE RIDE!!! 245/40/18 is what most people have Quote Link to comment Share on other sites More sharing options...
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