When I ran with street tires, I had new ignition, actually had a muffler (flowmaster), full interior, and a better intake setup (velocity stack).
Slicks was gutted, resonator, and shitty ass MSD that was burning up my ignition module.
Slicks will usually drop the mph a bit.
I agree it's REALLY weird, especially how I went back on street tires with just a couple changes and ran 9mph faster.
My 60' was just a 1.9. I launched at like 4500rpms or so, it wasn't a good launch. I definitely think that car would've ran a 13.3ish with a bad ass launch. Here's the time slip...
Don't mind the slip on the left. That was my first run on slicks, I was playing with my launch technique. I was only allowed to run twice that night because I didn't have a helmet... LOL, who brings a helmet to run a bolt-on GSR?
I still have the 13.7 slip as well, but it was actually 101.45mph, so 101mph not 102mph.






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