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reccomendation for gear ratio

Old 09-05-2013, 09:55 PM
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Default reccomendation for gear ratio

1997 chevy truck
AES 390 procharged running 6 lbs right now
4l80E transmission
275/60r15 drag radials

was riding around today and my ring and pinion took a **** on me, i'm running a for 9" rear with 3.50 gears should i stick with what i have or should i change to something else now that i have the opportunity? its mostly street driven and raced a little, will very rarely go to the track, mostly a street truck.

also which brand should i go with, never had to replace a ring and pinion before.
Old 09-06-2013, 12:52 PM
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With a heavy truck, 275's, and a 4L80 I would go 3.73 if it was mine.
Old 09-08-2013, 05:16 PM
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still not sure yet if i want to go up in gear ratios since it already has a fun time finding traction as it is lol and its not even finisihed being tuned yet, still running rich with only 11 deg timing and 6.5 lbs boost lol

what about as far as brands?
Old 09-09-2013, 07:30 PM
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For street stay with the 3:50s if wanting some high speed racing.
Old 09-10-2013, 03:08 PM
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Originally Posted by Blackpanther99
For street stay with the 3:50s if wanting some high speed racing.
i'm gonna go with some 3.50 Motive gears from Bob@brutespeed thanks!
Old 09-10-2013, 07:40 PM
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And yeah Motives are top notch for the great price


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