Posted by: 74Grabber ®
2001/09/15, 00:57:51
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I am in first gear and just stomping it, the tires are 215/60/14 road tires (nothen special) rear gears is 3.00 and i was told it was a posi 9" rearend, but looks like a normal 8" rearend to me, i am guessing its limited slip "open" as it will spin the passenger tire 75% of the time and the drivers 25% of the time and both in gravel or rain covered roads. I mean heck, i didn't add anything that would give me more power - just added universal traction bars and wham it spins its tires hard, not like a 350hp muscle car would, but enough to get alil sideways on a turn or enought to get some smoke going from the light. Weird...... I did look at the rubber stoppers and they are contacting the leaf springs and compressing as the rubber has dirt from the springs on it. I haven't wound the engine up and launched as of yet - I am trying to take it easy with the car till i get the suspention rebuilt and the tranny rebuilt, so i am not sure if it will hook, but from a rolling 10mph start in first gear - it has some nice get up and go with some squeel. It didn't do that before hand... David :What is your launch RPMs? What type of tires are you using? Rearend ratio? Posi Trac?
: Sounds like you're overloading the tires with torque and breaking them loose.
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::Ok, so i installed traction bars today, it used to be that on a hard take off i would get alittle bit of wheelspin and it always was the passenger tire that would break first. Now i installed the traction bars and i get a bunch load of wheelspin, the passenger wheel still breaks first and the drivers side will sometimes break right after that. I mean i NEVER had a problem with being able to lay down a nice little patch and make ALOT of noise. Now the whole idea of the traction bar is to stiffen the springs, to load them and plant the tire, and to keep the rear axle from twisting the rear springs into a S shape. I heard that you can also adjust the rubber nobs so the car launches straight and to stiffen the springs independantly to make a limited slip act like a posi (much like you can with airbags)
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::Is the traction bar doing its job? i mean i must be getting more power to the ground to be able to spin reasonablly easy now? Also if the passenger side is breaking first, do i need to raise the driverside nobs closer to the leaf spring to plant the drivers side sooner?
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::David
::1974 Grabber 302
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