rear end gears

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09-26-2008 | 08:46 PM

darkcrow

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rear end gears

hey guys new to the forum. my question has to do with the rear end gears in my 86 dodge ram, im building it as a drag truck and would like to know what the best gears to throw in would be. please help, many thanks.

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09-27-2008 | 03:16 AM

78D200

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From: Goffstown, NH

what are you planning to run for a motor and tranny? what size tires? is it going to be just a drag truck or somthing that you need to drive to the strip as well?

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09-27-2008 | 06:28 PM

darkcrow

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it has a 318 im not sure what tranny, the engine and the tranny came out of another car. the tires are 295/50/15. im going to drive on the road a little but main use will be on the track.

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09-27-2008 | 06:49 PM

78D200

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From: Goffstown, NH

if its an automatic with no OD, then its probably a 727.

What rear axles are you going to be running as well?

I'd run 4.10 or 4.27 gears, depending on the axle that you have, as they will give you a good solid launch but won't kill you on the road. I'd also throw in a posi unit or a spool. posi won't beat on your tires as bad as a spool will, but both of them will greatly help out with getting down the track.

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