Jim, over the past few years I've widdled 60' times from 1.90-2.0's down to 1.60 to 1.67. For my car, the tires make more difference than anything else. I've tried all sorts of traction devices, welded in sub-frame connectors, added drag shocks, removed the front sway bar, installed an adjustable pinion snubber, etc. The tires are the KEY to hooking up, no doubt about it. If the tires don't try to bite, all the bolt on devices in the world ain't gonna help. As I kept getting better tires, we immediately saw improvements in traction, and 60' times, THEN I could fine tune the traction devices to even further improve 60' times.
The reason that I have so much trouble is that we hit the tires with near 600ft lbs torque, and only have room for tires with about 9" of tread, 27-28" tall. A set of 12" wide tires would quickly improve everything, but I refuse to jack the car up, or start hacking away at it, to get them to fit. I also LOVE the stock look, and refuse to have a bunch of junk hanging under my car. I'm trying to keep the "stock" look, and go really fast, which has proven to be quite a challenge......but we are making good progress!......Cliff
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If you can read this, thank a teacher. If you can read this in English, thank a Veteran!
https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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