I'd go with 275s and a 20mm spacer. Dont expect a huuuge gap difference tho, from 255 to 275 theres only 8 mm of sidewall difference. The big change is gonna come from the spacers, since the tire sits closer to the fender outwards, it gives the illusion of less wheel gap
Holy trap speed! Yeah that should make it into the high 9s. Best ive seen at 138 is 9.7 with a 1.4 60. How bout gears? Youre on 3.73s right now right? If its for the sake of slips may be getting into 4.10s might shave a couple of tenths, maybe even mid 9s. Yeah vendors do push a lot but on...
Break into the 9s on pump!!! I wanna see it!!!
Besides the axles i think thee 9s are a suspension upgrade away. 717 hp should put you into the 9.6s. Are you really 290? How tall are you???
I had 275s on the stock wheels with 1 inch spacers for s while. The rears wull stick out a bit but it still looks fine. If you can get 20mm spacers itll sit flush. Be SURE to get quality spacers that also have studs built into them and that are hub centric to your car. If you keep the 255 or go...