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My front wheels are 20×5.5 Weld RTS with a Pirelli P Zero in a 235/45R20 run at 35 psi
My rear wheels are 20×11 Weld RTS with a Mickey Thompson ET Street in a 305/35R20
My drag rear wheels are 17×11 Weld RTS with a M&H Racemaster in a 325/45R17
I run the front wheel & tire combo with either of the rears & have no issues at all, I play with my tire pressures till I get a good result, I usually start at 28psi for the high speed runs & work my way down. I've went as low as 12psi at the drag strip.
The Texas mile 201.9 pass was made on the stock wheels with the stock Good Years & had 28psi in them.
If I'm racing the car I always run it on C16 no matter what, I want plenty of octane, fuel is not a place to cheap out. My car runs on 91 octane for daily driving in California. It runs & makes big power on E85 also but the inconsistency with it scares me to hammer on the car alot with it.
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