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Old 08-04-2011, 02:19 AM
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305 Turbo-Fire 240hp
 
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Thinking of going 3:73

I have an 85 chevy truck with A 305 and a 700r4 tranny. Got 342 gears now. Will going to 373 be worse, good ,no change. Looking for more seat of the pants power at take off
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Old 08-04-2011, 07:39 AM
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You will definitely see some improvement. I don't think you will set low ET at Pomona, but it will be noticeable.
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Old 08-04-2011, 01:29 PM
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A 305 in a truck needs 4.10`s, if you want some "seat of the pants".

The OD gear tames a higher (4.10) gear ratio much more than a low.

A small motor needs gears to get a heavy vehicle going.
If you have tall tires you may need even more gear.
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