09-27-2015, 10:39 AM
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CC Member
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Join Date: Feb 2014
Location: White City,
SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,916
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Not Ranked
Quote:
Originally Posted by Karl Bebout
Terry, I used a Powertrax in my NAF for many years. I had a 9" Ford behind a 600HP, 600#s torque 496 Chevy Rat and never had a problem. Took a little while to get used to the occasional click, when backing while making a turn, but I got used to it. It was really easy to install and it would make both 325x50x15 MT drag radials patch equally. I was thoroughly satisfied with it and will get another, if I ever need such a thing. Well worth its price.
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Sounds like you were using one of the Powertrax lockers - either the Lock Right or the No-Slip. I had a No-Slip in my 9" rear end and found it a bit too 'clunky' for my tastes - at least for the street. I think it would be perfect for drag strip use or installed in a 4x4 for off road use.
The Grip-Pro, OTOH, is pretty much seamless operation - it acts like an open differential during normal cruise and quietly locks up and does its thing when it needs to. Highly recommended for a street or autocross car.
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Brian
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