66 swb traction problems
 

My dad has a 66, stock bottom end 350 with vortec heads, thumpr cam, th350 with 2800 stall, 3.73 rear welded up and 29.5x10.5 slicks running high 13s and is spinning 75% of the time at the line. He is switching to drag radials, m&h 275/60-15s so he doesn't have to swap wheels when he takes it to the drag strip. His suspension is bone stock, so for Christmas I am going to buy him some 90/10 front shocks and box in his trailing arms. Anything else we can do for cheap to help him hook up?
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Re: 66 swb traction problems
 

Don't waste your money on 90/10, buy some adjustable shocks, even if they are single adjustable. The Competion Engineering 3-way adjustable are also a waste. You want an adjustable shock as track conditions vary. Also, the shock is going to be even more of a benifit if you have a spring more suited for weight xfer.

You also don't need to box the control arm, simply welding 6" sections of the seems every 6" or so will be plenty.
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Re: 66 swb traction problems
 

The rear shocks are also important. Has he weighed it front, rear and total? What tire pressures were tried?
JImmy