2650rpm at 60mph!
06-22-2006, 10:01 PM
#1
Thread Starter
Join Date: Apr 2006
Posts: 6
2650rpm at 60mph!
Hey guys I recently bought an 87 notchback setup for the quarter mile and I am confused about something. My old 88 cobra with 373's reved at about 2100rpm at 60mph but my 87 here with 373's reves at 2650 at 60. I have verified that the tach and speedo are correct. Could the car have different tranny gears? Both cars are 5 speed's . THanks in advance!
06-23-2006, 12:35 AM
#4
6th Gear Member
Join Date: Oct 2005
Location: st clair shores MI
Posts: 6,028
RE: 2650rpm at 60mph!
no, if it's a t5 of any spec, and really any other trans, 2-5 is the same. if not close enuff, 4th will be 1:1 no matter what , and od is about .068
something is not correct, i'm betting speedo, those numbers actually come out to like 4.9x gears
something is not correct, i'm betting speedo, those numbers actually come out to like 4.9x gears
06-23-2006, 03:05 AM
#5
2nd Gear Member
Join Date: May 2006
Location: Dallas
Posts: 329
RE: 2650rpm at 60mph!
ORIGINAL: blue88
Hey guys I recently bought an 87 notchback setup for the quarter mile and I am confused about something. My old 88 cobra with 373's reved at about 2100rpm at 60mph but my 87 here with 373's reves at 2650 at 60. I have verified that the tach and speedo are correct. Could the car have different tranny gears? Both cars are 5 speed's . THanks in advance!
Hey guys I recently bought an 87 notchback setup for the quarter mile and I am confused about something. My old 88 cobra with 373's reved at about 2100rpm at 60mph but my 87 here with 373's reves at 2650 at 60. I have verified that the tach and speedo are correct. Could the car have different tranny gears? Both cars are 5 speed's . THanks in advance!
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