Re: best way to increase top end speed in a 1967 K20
i like that you want to go pass the 100 in a old 4x4 thats my goal too. But different gears or a overdrive should get you a little faster i belive. how do out what your top speed should be.
Last edited by onlyifihadachevy; 04-13-2009 at 07:24 PM.
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