I've done a 1.56
At the time car was longtubes with cats, hotrod cams, FR manifold, jltn110, underdrive pulleys, 4.10s, bmr sp009 springs stock 2005 shocks, bmr lower control arms and relocation brackets.
40lb front rims and 17" stock wheels on rear with 275 et street radials
Lauch at 5k sidestepping the stock clutch
Oh and really good track prep and prob negative DA
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