Spyder Shaft installed!
#11
RE: Spyder Shaft installed!
I originally had 3.73's then switched to 4.30's. i run a 26" tall M/T et street (bias) at the track and stock pirelli's on the street. I cruise at 2600rpms at 70mph with the 4.30's and the 3.73's were 2600 at 80mph. I gained 3 tenths from the switch 3.31 to 3.73 and maybe only a tenth going from 3.73 to 4.30 but i did gain some mph due to the 4.30's allowing the engine to rev higher on topend.
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tj@steeda
Steeda Autosports
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09-10-2015 08:39 PM