my set up had the s-10 five speed, with a blazer six lug rear end with 2:73 gears.. a 58..235, fenton headers.. duals

the only time I could go into fifth was at least 60 and then it wasnt to bad as long as I had an open hi-way, I could keep increaseing the speed,

if it runs ok in the other gears I dont see why you would have a problem with timing, etc.......anytime you shift into fifth you will usually drop rpm..

I never used 5th that much, I just kept in it 4th at about 2300 and 65 or more.. but it would run ok in 5th, really ok about 75,,

you have a neat 54..

Last edited by joker; 06/14/2009 5:56 PM.
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