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GTO/GN · 06-06-2009, 09:22 AM

I am using the 8.5 in my Grand National . I put Axles with C-clip ele. and a spool in it and using the stock 3.42 gears the car has run 9.64 at 140.11. Leaving off the trans brake at 20 lbs of boost on 28X10.5 Mickey Thompson slicks. It been hanging in there... The picture in my avatar photo is a pretty tipical launch for the car..
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06-06-2009, 09:22 AM	#7
GTO/GN Junior Member Join Date: Apr 2009 Location: Florida Posts: 38 Likes: 0 Liked 0 Times in 0 Posts	Re: 8.5" GM Ten Bolt I am using the 8.5 in my Grand National . I put Axles with C-clip ele. and a spool in it and using the stock 3.42 gears the car has run 9.64 at 140.11. Leaving off the trans brake at 20 lbs of boost on 28X10.5 Mickey Thompson slicks. It been hanging in there... The picture in my avatar photo is a pretty tipical launch for the car.. <--------<<<