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Rear Gear , What would you do ?

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Old 06-30-2017, 04:14 AM
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Default Rear Gear , What would you do ?

Getting alot of mix opinions from the local gear heads on what rear gear to use .. this is a new build and no dyno data , Just picked the motor up from the builder FBody car w/cage, 383 Stroker all Forged internals , AFR Heads, NOS plate 300 shot PowerGlide 1.76 Ratio w/Brake, car 3305lbs with me in it, 9inch rear on 28s. Car will be mostly a track car,
So what rear gear for 1/8 Racing would you use I have a 318,373,411,456 at my disposal or should I choose another ....thanks
Old 06-30-2017, 09:35 AM
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Gear it for whatever RPM you want to go through the traps at.
Old 06-30-2017, 01:33 PM
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engine builder said 6500 is the max rpm he recommends
Old 06-30-2017, 03:36 PM
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4.56 will get you ~115mph in the 1/8. 4.11's 125mph. That is for 6500 rpms and some slippage from the converter.

Play around with this link
http://www.pszweb.com/car/gears.htm
Old 07-01-2017, 10:36 AM
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4.30 gets my vote
Old 07-01-2017, 11:40 AM
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Originally Posted by a05c
Gear it for whatever RPM you want to go through the traps at.
That........
Old 07-01-2017, 12:40 PM
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Originally Posted by JL ws-6
4.30 gets my vote
Same. If that isn't an option I would choose the 4.11 if you're gonna be spraying a 300 shot often.
Old 07-01-2017, 05:31 PM
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More info needed...like LS based or LT-1 based....intake cam exhaust and stall info needed...6500 max rpm on a full forged 383 build...seems docile to say the least and doesn't match up with a glide cage race car. ALLLL of these things are REALLY important to truly determine what gear you should try first.



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