09-14-2007, 12:32 PM
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CC Member
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Join Date: Dec 2002
Location: Long Island,
NY
Cobra Make, Engine: SPF #1358 Silver/Black stripes 466 2X4
Posts: 780
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Not Ranked
Quote:
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Originally Posted by Bob In Ct
My SPF has a 3.73 with a 0.68 OD, it's great on the highway. 1,900 RPM at 60MPH. If I were to do it over again, I would go 3.46 (or taller), with the 0.82. That would result in the same spread between all gears, and still let the engine loaf on the interstates.
Bob
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I had the same set up as Bob, (3.73's w/ .68 OD) I changed rear gears to 3.27's and the tranny to a TKO600 with .82.... The final drive is the almost the same...60mph 2000 rpm's, but now I have a useful first gear and shifting from 4th to 5th is only a 400 rpm drop...the changes made the car much more enjoyable in traffic. |
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