Roughly 3/4 months already, clueless on the miles but I do drive it every weekend. This past week for tx2k I would literally drive 200 miles a day. Not a stock ls3 but pretty close to it. Nightfury cam, ls9 head gasket, arp head studs, callie rods and wiseco flat top pistons, clevite bearings, trunion upgrade and thats about it.
I backed off the 3.91 I had, i went down to 3.23 gears. Felt like I would just be blowing threw the tires. Pull like a freight train all the way up to 180
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