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Hey all. Need some advice before I️ buy new wheels and tires. I️ have a 2015 gt whipple stage 2 auto with circle d 3c converter. I have a set of race stars I️ used on my 2012. 275/60r15. Obv they won’t on my 15 unless I️ do smaller brakes. So my question is, will 305/45r17’s have enough sidewall...

How much et are you guys shaving off with a converter and gears on your supercharged set ups? Currently running a vmp stage 2 setup with stock converter and 3.15s. Car runs 11.0s at 126 mph with a 1.73 60 foot on a radial. Is a 10.50 pass possible with 3.31s and a circle d converter? Car also...

Hey guys. I'm new here. Looking for some info. I just recently supercharged my 12 gt. Ran it at the track the other day and noticed that now it shifts fourth gear before the traps I have 3.15 gears. It use to finish in third before the blower. My question is, what rpm would it have to be at to...