really loaded question . N2o or blower lots of vairiables.
Does your friend have experience with either.
What about you ?
I would say blower but if its for the track only n2o cant be beat for adjustabillity.
there are alot of driving trans vairiables also,
good luck
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89 with 331 t3'/t4 hybrids. upr Suspention worked out finnaly . 9.89 144 mph .
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