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ET gain with gear swap?
#440408
08/16/09 10:32 PM
08/16/09 10:32 PM
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Joined: Jul 2004
Posts: 4,732
Watertown, WI
MikeyT
OP
master
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OP
master
Joined: Jul 2004
Posts: 4,732
Watertown, WI
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Ok guys  Heres a hypothetical, lets say you have a certain b body that weighs 3860 with a mildly built 440 engine hooked to a 727 transmission with 2500 stall torque converter, and lets say for the sake of argument it has 3:23 gears and it goes 14.0 in 1/4 mile. 28 inch tall tires  What kind of gain in ET will be seen in going to 3:91 gears, same tires? Mike
1969 Dodge Dart Swinger
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Re: ET gain with gear swap?
[Re: 70blackfish]
#440412
08/17/09 05:42 AM
08/17/09 05:42 AM
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Joined: May 2004
Posts: 3,210
robin hood country
deaks
master
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master
Joined: May 2004
Posts: 3,210
robin hood country
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Based on one of my old cars, a lighter 3400 Scamp, mild 440, same converter as you, 3.91 gears. Ran 13.4@104 on 225/14 street tyres. I reckon 13.8.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
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