I was getting tired of the 2005+ Mustang GT wheels I had on my car and wanted to do something different. I also wanted the option of going with wider tires because I plan to supercharge my car in the near future and may need more rubber on the road. The suspension/brake set up on my car requires pretty high offset wheels, and the options for high offset wheels that are wider than 8" and don't look super "front wheel drive-y" are pretty slim. I've always liked the look of Enkei RPF-1 wheels (even though they're more popular on imports), and thought they'd look good on my car because the straight spokes match the boxy lines, so when I found a barely used set for sale locally in the right size and offset at a good price, I jumped on them.
These are 17x9 + 45 with 245/45/17 Michelin Pilot Super Sports all around, with a 1/4" spacer in front. The fit is pretty much perfect. I'm running MM coilovers in front and there's juuust enough clearance between the tire and coil perch. I'm running Lincoln Mark VII brakes/axles in the rear, and there's just enough clearance between the tire and fender lip (already rolled). I wanted to go with 255/40s all the way around, but I did some test fitting and they'd rub in both front and rear. If I elect to go with longer wheel studs up front and a flipped brake set up in rear at a later time, I can likely run 255/40s all around and probably 275/40s in the rear, but for now I'm happy, especially because these tires have a ton of grip.
Another benefit is that the car lost 8 lbs per corner. I weighed this wheel/tire combo at 39.4 lbs per corner. The Mustang wheels I was running before (with same size tires) weighed 47.4 lbs per corner. Just for grins and giggles, I also weighed the 17" Crown Vic steelies and tires I bought to try (but will likely resell) and they're 55.2 lbs! Depending on who you ask, losing a lb of unsprung weight is equivalent to losing 2x-4x that of static weight - not that I care about weight with this car, but less weight is a good thing.
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