Re: Bullet proof GM 12 bolt.
my 12 bolt has gave me 0 problems originally built it about 12 years ago and ive changed the gear ratio from 4.10 to 4.56 to 4.88. it has moser 33 spline axles with a full spool and the truck weighs 3900 and change. It has hundreds of passes on it.
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Justin
weight 3480 with driver
1.35 60ft
6.13@111mph 1/8 mile
9.80@131mph 1/4 mile
434 small block all motor
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