ya know.... i needed new tires and started researching... there were no 305+ tires for 20's so that ruled it out. I wanted to allow this car to launch as well as it could so I started investigating. for every 1# you remove from rotating weight it accounts for 6#'s of total weight.
So I swapped my 20'' shelby razors (VERY lightweight 20's BTW I found) for 18x9.5'' Steeda ultralites.
The 20'' had 255/35-20's up front and 275/35-20's out back on 20x9'' rims.
With the new Steeda utralites, I now have 275/40-18
s up front (with a <1# per wheel diff from the 20x9 and 255/35's) and 305/35-18 rear (with a <2# per wheel diff from the 20x9 and 275/35's rear).
However, now it feels as though I'm rolling on STEAMROLLERS!!! Handling, along with traction is MUCH MUCH MUCH improved.
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2007 Alloy GT Coupe/MGW shifter/C&L Racer CAI/JBA LT's/JBA catted H/Pypes M-80 race mufflers/Steeda HD engine mounts/LFP 17# driveshaft/FRPP 4.10s/Truetrac/Steeda Ultralite 18x9.5's with 275/40 and 285/40 Nitto NT555/Autometer DPSS shift light and gauges. Suspension: Steeda Comp Springs/GT500 Front CA's with Steeda X5 balljoints/Steeda bumpsteer kit/Tokico D-Specs/BMR adj upper & lower LCAs+relocation brackets/Hotchkis 3/4way adj swaybars/UMI Performance panhard.
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