What are the rpm's at 70? I have 4.10's in my Cobra, at 70mph it reads 2600rpm. I think around 2400 at 60. Maybe they're 3.73's.
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T-Bones 1997 Cobra
Wht/blk, Pro 5.0, 4.10's, FRPP throttle body, C&L MAF, K&N, off-road H, Flowmasters, s/f connectors, FRPP pro springs, BBK caster/cambers.