"Rusty Vandura - www.tinyurl.com/keepoppo" (rustyvandura)
10/24/2016 at 20:04 • Filed to: None
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"Rusty Vandura - www.tinyurl.com/keepoppo" (rustyvandura)
10/24/2016 at 20:04 • Filed to: None | 1
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When I had the rear end rebuilt in my ‘97 Safari, the guy installed a posi gear set, which virtually insures that my 4.3L engine and 3.73:1 axle will
never
break traction. Unless the ground is a little damp and I’m headed uphill. Then, when it breaks loose and starts to spin, the rear wheels start hopping up and down. There are brand new KYB Gas-Adjust shocks, an aftermarket sway bar, and an extra leaf. My question is, what causes the wheel hop and what sort of hardware would eliminate it? (That’s not my van...)
CaptDale - is secretly British
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:06 |
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Daily Drives a Dragon - One Last Lap
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:10 |
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It’s because leaf springs.
lone_liberal
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:13 |
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A Safari van with slapper bars would be bitchin’!
Shoop
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:20 |
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Traction Bars, to help locate the rear axle
DC3 LS, will be perpetually replacing cars until the end of time
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:24 |
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I’m no suspension guru, but wouldn’t the extra leaf spring stiffen the suspension and reduce traction at the rear axle? Same with the aftermarket sway bar.
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Rusty Vandura - www.tinyurl.com/keepoppo
> CaptDale - is secretly British
10/24/2016 at 20:31 |
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Very nice, Cap’n. Thank you.
gogmorgo - rowing gears in a Grand Cherokee
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:47 |
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Something something leaf springs. Pretty well the worst way to attach an axle to a vehicle if you want any control over what it’s doing. There’s a reason it’s called a live axle.
crowmolly
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 20:59 |
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Are the rear spring bushings original? Is the extra leaf because the rear springs are shot/sagging?
shop-teacher
> Rusty Vandura - www.tinyurl.com/keepoppo
10/24/2016 at 21:14 |
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Caltracs bars. Wheel hop was always a problem on my S-10's. This was the solution I couldn’t afford back then.
http://www.calvertracing.com/index.php
sdwarf36
> CaptDale - is secretly British
10/24/2016 at 21:44 |
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OMG! Almost everything in that article is made up B.S. !! Toe in causes wheel hop? How much toe in does a solid axle have?
I suck at ‘splaining things-but here it goes..
Picture a ring + pinion in your rear housing. The driveshaft turns the pinion + it drives the ring gear. The pinion tries to “climb” the ring gear. And because the path of least resistance is the ring gear (and diff-and axles and tires) rotating, things go round and round. And because its all rotating inside your rear housing-and that housing is attached to the chassis, it pushes the car forward. Your front leaf spring bolt is what actually drives your car.
I’m gonna describe in extremes here— Picture if your tires were attached to the ground preventing rotation. The torque from your driveshaft/pinion is going to try to climb the ring-and rotate the whole housing backwards. Which is going to try to twist the leaf spring.
Wheel hop is the making/breaking of traction-caused by the torque twisting the rear/spring-and it releasing the energy of the twist.
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Rusty Vandura - www.tinyurl.com/keepoppo
> shop-teacher
10/24/2016 at 23:15 |
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Well, I’m really thinking ahead to the ‘71 Vandura. I’m hoping to drive that thing in paved auto-cross, or whatever it’s called. 4-speed with suicide shift and maybe 250 horsepower out of the L-6. The link you sent has bars for a ‘71 C-10 pickup truck for $419. I’m assuming they’d be the same thing.
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Rusty Vandura - www.tinyurl.com/keepoppo
> sdwarf36
10/24/2016 at 23:17 |
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So the axle housing is twisting forward and backward on the axis of the axles, right? Makes sense to me. I think you ‘splained it real good.
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Rusty Vandura - www.tinyurl.com/keepoppo
> shop-teacher
10/24/2016 at 23:18 |
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Would those improve the “feel” in daily driving? Car-on-a-rail, and so on?
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Rusty Vandura - www.tinyurl.com/keepoppo
> crowmolly
10/24/2016 at 23:19 |
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That with sdwarf’s ‘splaining above all learns me some.
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crowmolly
> Rusty Vandura - www.tinyurl.com/keepoppo
10/25/2016 at 09:49 |
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Hey man, I know wheelhop sucks, but no reason to drown your chassis problems with a bottle.
LOL