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Old 07-27-2010, 07:02 AM
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Stopping wheel hop with coils

The 69 impala on very rare occasion will suffer wheel hop. Its not as violant as a leaf hop can be,not by far, but still at some launches it'll bark 5-6 times and you can feel the bounce. As to whether the tire lifts completely or not I dont know, what I do know is that any hop is not good for diffs. Now theres two things that can be eliminated,coils and shocks. That is the one thing the fellow before me did is install one beefy set of coils (cause he cauled a camper ) and a like new set of munroe shocks. It takes two guys to push down a rear corner any amount at all and when its released it comes back to zero in a flash.Like I said the hop isnt like some vehicles I've been in where you could hear things falling off the interior,but still I'd like it gone.
Any ideas?

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Old 07-27-2010, 07:13 AM
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Put a set of slapper bars on it, or some other style of traction bars. Or
stop mashin' the gas before you blow the rear u-joint out of it.
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Old 07-27-2010, 07:26 AM
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Quote:
Originally Posted by sqzbox
Put a set of slapper bars on it, or some other style of traction bars. Or
stop mashin' the gas before you blow the rear u-joint out of it.
I'll look into these "slapper bars"

"Stop mashing it". now I know your joking
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Old 07-27-2010, 07:33 AM
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I've made em for leaf set ups. Is there a good design for coil?
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Old 07-27-2010, 08:01 AM
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I had a 70 Chevelle SS454....Back then, lifting the rear with air shocks, still springs etc was the thing to do......I had wheel hop.....When I lowered the car back to stock height and geometry, no more wheel hop.........
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Old 07-27-2010, 08:11 AM
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Quote:
Originally Posted by poncho62
I had a 70 Chevelle SS454....Back then, lifting the rear with air shocks, still springs etc was the thing to do......I had wheel hop.....When I lowered the car back to stock height and geometry, no more wheel hop.........
Its pretty stock in height,and like I said it dont do it all the time. It all depends on amount of hook up.At PT its fine. At full out WOT its fine. It seems worse right in between when you just going to give it that wee half throttle spin
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Old 07-27-2010, 09:11 AM
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Competition Engineering sells a traction bar for coil spring cars that is very similar to a slapper bar on a leaf spring car. I have copied it before for applications they don't make. There are also boxed factory suspension arms, and aftermarket tube arms, and adjustasble upper arms from several makers- Edelbrock, Hotchkiss, Jegs, Competition Engineering, etc.

What shape are your rear suspension bushings in?? Worn bushings will also lead to wheel hop.
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Old 07-27-2010, 09:56 AM
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Quote:
Originally Posted by ericnova72
What shape are your rear suspension bushings in?? Worn bushings will also lead to wheel hop.
Exactly. I'm going to start playing it cool I think till it goes away for winter then when its on the hoist for the moser axles etc I'll just change those bushings then I'll be sure of the condition
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Old 07-27-2010, 01:18 PM
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Quote:
Originally Posted by ericnova72
Competition Engineering sells a traction bar for coil spring cars that is very similar to a slapper bar on a leaf spring car. I have copied it before for applications they don't make.
I went to their site but only found an adjustable pinion snubber. You dont have a link or a pic do ya?
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Old 07-27-2010, 08:29 PM
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Quote:
Originally Posted by sooper
I went to their site but only found an adjustable pinion snubber. You dont have a link or a pic do ya?
Part # C2111 fits 68-77 A-body, I don't know if it will fit your B-body but you could build your own fairly easily or adapt it. I have built a couple sets for 78-88 G-body based off the CE design. Lakewood may still make something similar, I have seen them for a Fox Mustang.
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Old 07-27-2010, 10:19 PM
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Poly bushings and boxed arms would probably fix that, even without traction aids.
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