10-28-2002, 02:57 AM
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CC Member
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Join Date: Aug 2000
Location: Chicago,
IL
Cobra Make, Engine: ERA 454 S.O.
Posts: 1,684
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Not Ranked
3.27, 1.98, 1.34, 1.00, .68. These numbers are for the 3550 and the TKO. The TKO II uses a .83 overdrive. Not very common. Jack the rear end up, mark the drive shaft, put the car in 5th. gear, and rotate the engine by hand (with a breaker bar) 2 full revolutions. Have somebody underneath the car to count the number of revolutions the drive shaft makes. If it is slightly under 3 revolutions, you have a 3550 or TKO. If it rotates slightly under 2.5 revolutions, you have a TKO II, which has only been around for about 1 year, more expensive, thus making it kind of rare.
While you are at it, put the car in 4th gear, mark the tire, and see how many revolutions of the engine it takes to rotate the tire one time. This will tell you what your rear end gear is.
__________________
Jeff
“If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower.”
Mark Donahue
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Tremec Gear Ratios
Linear Mode
