What Happened?!?!?!

JonnyBlazeGT

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Jun 21, 2015

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Jul 12, 2015

#1

• Jul 12, 2015

• #1

Well, I need some input. Today, I did my first burn out in my car. Stopped on a back road, brought rpms up to 3k, dumped the clutch, tires started squealing, broke free, then all of a sudden, my car started shaking so hard and violently that I thought it was going to disintegrate into a million pieces!! I mean it was so bad that I will never do it again until I know what is wrong with it and its fixed.


Any ideas? My buddy said most likely u joints or rear blown rear shocks. But the shocks are brand new Bilstein HD's.

 

trombonedemon

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Jul 12, 2015

#2

• Jul 12, 2015

• #2

How's the car acting now??

 

JonnyBlazeGT

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Jun 21, 2015

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Jul 12, 2015

#3

• Jul 12, 2015

• #3

trombonedemon said:

How's the car acting now??

Click to expand...

Drives just as good as it normally does. Like nothing ever happened.

 

trombonedemon

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Jul 12, 2015

#4

• Jul 12, 2015

• #4

How long did it take for the shaking to stop?

Reminds of the time I put the rear of my car on Stiff Knees in the air. And accelerated; the whole car started to shake violently. My guess is the rear pinion angle changed ever so slightly. Enough to have start skipping gear teeth.

Unless the car starts to replicate the action, maybe really hard to diagnose.

 

JonnyBlazeGT

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Jun 21, 2015

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Jul 12, 2015

#5

• Jul 12, 2015

• #5

trombonedemon said:

How long did it take for the shaking to stop?

Reminds of the time I put the rear of my car on Stiff Knees in the air. And accelerated; the whole car started to shake violently. My guess is the rear pinion angle changed ever so slightly. Enough to have start skipping gear teeth.

Unless the car starts to replicate the action, maybe really hard to diagnose.

Click to expand...

Until I put the clutch in. My pinion angle could be off due to be lowered ,no?

 

trinity_gt

10 Year Member

Jan 31, 2003

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Jul 12, 2015

#6

• Jul 12, 2015

• #6

Sounds like axle tramp (aka "wheel hop.")

Can be exacerbated by the overly squishy OE LCA front bushings. "Quad shocks" are meant to dampen some of the fore/aft movement here; if they're gone you can get a bunch of undamped, essentially uncontrolled axle movement.

Axle tramp can indeed break stuff including pulling the upper mounts away from the frame and it can lead to broken U-joints etc.

 

JonnyBlazeGT

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Jun 21, 2015

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Jul 12, 2015

#7

• Jul 12, 2015

• #7

Never heard of a quad shock...

 

Noobz347

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Jul 12, 2015

#8

• Jul 12, 2015

• #8

 

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JonnyBlazeGT

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Jul 12, 2015

#9

• Jul 12, 2015

• #9

Ok, Now I understand. So I should replace them? What do you think about the KYB gas adjust
KG4521?

 

JonnyBlazeGT

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Jul 12, 2015

#10

• Jul 12, 2015

• #10

Houston, we have a problem!!!!

 

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Modular2v

Founding Member

Jun 30, 2002

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oklahoma

Jul 12, 2015

#11

• Jul 12, 2015

• #11

I got rid of my quad shocks.... worthless

 

90sickfox

Wasn't a pretty sight...and I've got big hands

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Mar 2, 2015

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Jul 12, 2015

#12

• Jul 12, 2015

• #12

Quad shocks do help a lot but aftermarket lower control arms help a lot too. The quad shocks can get in the way of wider wheel and tire combos. Sometimes installing them with the rod facing towards the body and the bigger part connected to the rear housing gives more clearance.

 

JonnyBlazeGT

Member

Jun 21, 2015

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Jul 12, 2015

#13

• Jul 12, 2015

• #13

I just ordered new Bilstein quad shocks from Summitt. Does anyone know what size the bolts and nuts are that hold the shocks to the mounts? I have the mounts on there just not the stuff to bolt the shocks on.

 

Noobz347

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Jul 12, 2015

#14

• Jul 12, 2015

• #14

You should be able to use your old hardware.

 

JonnyBlazeGT

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Jul 12, 2015

#15

• Jul 12, 2015

• #15

Noobz347 said:

You should be able to use your old hardware.

Click to expand...

There is no old hardware. Just the mounting brackets.

 

Noobz347

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Jul 12, 2015

#16

• Jul 12, 2015

• #16

Oh so they were already removed? Hmmmm....

Ford Quad Shock Hardware Kit 86-04 Mustang

 

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JonnyBlazeGT

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Jul 12, 2015

#17

• Jul 12, 2015

• #17

Yes. No idea why. Thanks for that!!

 

Modular2v

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Jul 12, 2015

#18

• Jul 12, 2015

• #18

JonnyBlazeGT said:

I just ordered new Bilstein quad shocks from Summitt. Does anyone know what size the bolts and nuts are that hold the shocks to the mounts? I have the mounts on there just not the stuff to bolt the shocks on.

Click to expand...

Upper and lower control arms would have been a better investment

 

JonnyBlazeGT

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Jun 21, 2015

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Jul 12, 2015

#19

• Jul 12, 2015

• #19

Modular2v said:

Upper and lower control arms would have been a better investment

Click to expand...

Im going to get MM LCA's. The guy I was chatting with at American Muscle said to keep the quad shocks even with LCA's. And if I remember right, MM recommends using stock UCA's with their LCA's....?

 

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Modular2v

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Jul 12, 2015

#20

• Jul 12, 2015

• #20

JonnyBlazeGT said:

Im going to get MM LCA's. The guy I was chatting with at American Muscle said to keep the quad shocks even with LCA's. And if I remember right, MM recommends using stock UCA's with their LCA's....?

Click to expand...

Their house brand is trash. If you get a good set then ucas and lcas are one of the best mods you can do!