Quote:
Originally Posted by Prodrive_X
305 fits perfectly in 10.5 et45, you can use them without any problem.
Ignore the paranoia of different widths and other stories.
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Yup, I ran RE-71R 305/30 on 19x10.5 ET45 several times with -2.1 rear camber and the rear lowered 3/4”. Just need to trim back the fender tabs for piece of mind.
I think it might be OK with all the same specs as above on an 11” wheel, bc the top tire width wouldn’t be any different, just a cpl mm wider at sidewall and 6mm at the wheel/fender. But it would be really, really damn close and is why I ran the 10.5” wheel.
As for the front, I run 18x10 ET25 & 275/35/18 (near identical sizing as 275/30/19) and Dinan HAS without spacers or rubbing. You’d have to run all the math bn my setup and yours to figure out if you might run into issues.
Below are a cpl pics of 18x10.5 ET40 EC-7R & 305/35/18 for reference (incl Turn 1 at Watkins a few weeks ago). My 18 tire is slight taller than the 19 you’re thinking about, and the ET40 wheel vs ET45 kind of simulates a 19x11 ET45 but not exactly. It’s a close fit!
Here’s a pic in the bus stop with some compression:
https://clutchfoto.zenfolio.com/p329127833/h3f5ae71d