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Modifying Your Front Upper Shock Mount

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Old 11-11-2008, 09:23 PM
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Originally Posted by 99Bluz28
Okay, I'm finally finished!
I'm happy! What other mod can you do that allows a lower ride height(1/2" additional lowering) while increasing compression travel(3/8")!
Umm, what I'm doing? Redesigning the front suspension and raising the k-member. I don't know if it can be called a mod, though.
It's a big mod! No more shock towers, yeah!

I want my new ride height to be 4"-5" lower than stock and still have 3"-4" of compression travel for a smooth ride.

Last edited by JasonWW; 11-11-2008 at 09:41 PM.
Old 11-11-2008, 09:57 PM
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Dude, you just knocked me off my mountain.

I just had to ask that question!

Anyway I look forward to seeing the progress of your bird, keep it up!

Old 11-14-2008, 10:18 AM
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Here it is with the springs dailed down. This is on the bumpstops.

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^Silly reference shot.

I still have a long way to go.
Down, that is.

All part of project Super Low.
Old 11-14-2008, 10:28 AM
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Good info
Thanx
Old 11-14-2008, 10:36 AM
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Sweet!
Do You have some measurements from ground to wheelwell arch peak?
So is the rear on the B.S. to?
Old 11-14-2008, 11:21 AM
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Originally Posted by 99Bluz28
Sweet!
Do You have some measurements from ground to wheelwell arch peak?
So is the rear on the B.S. to?
I think the rear is compressing the bumpstops. You can't really get under there to see. Just remember that I don't have stock rear stops. They are modded units that allow more travel. The darn gas tank is limiting me at the moment.

I just ran outside to measure the fender lip heights.
22.5" Front
24.5" Rear
Old 11-14-2008, 10:42 PM
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How do you lift up your car now? I have a hard enough time getting a jack under my lowered car!
Old 11-14-2008, 10:54 PM
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Originally Posted by 02TransAm/Batmobile
How do you lift up your car now? I have a hard enough time getting a jack under my lowered car!
I'm going to push a button and the car will magically lift up by itself. :-)

Seriously though, for right now I lift it from the lower radiator support up front and from just behind the rear wheelwells. After I cut the car all up, I plan to make some new dedicated jacking points under the nose and tail.

Last edited by JasonWW; 11-14-2008 at 11:02 PM.
Old 11-15-2008, 11:13 AM
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Question

Do you know of any tubular upper front control arms that follow the same contours as the factory arms?
I know for sure now the limiting factor on compression travel is my Global West upper control arms.
The only solution I know of right now is to switch back to the factory upper arms. Unless somebody knows of some arms that won't limit my compression travel?
Old 11-15-2008, 11:17 AM
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Sorry, I never looked into that. You could swap to some factory arms and use poly busings and box them. Just a thought.
Old 11-15-2008, 11:34 AM
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I had totally forgot that I went through this once before when I had some custom shorter length QA1s installed on the front years ago! Yeah, I still have all my factory parts packed up in boxes in the garage.

I guess I'll dig out my factory arms, unless one or more of the sponsors has a bolt in F.U.C.A. (front upper control arm) solution?
Old 11-15-2008, 11:36 AM
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Jeez, you have a lot of suspension parts. More than me for sure.
Old 11-15-2008, 11:39 AM
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Hey Jason I love the stances of your TA i bet the handling is awesome.
Old 11-15-2008, 12:30 PM
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It's not so much the stance, as it is the whole package. Springs, shocks, swaybar, tires, tire pressure, alignment.
Old 11-15-2008, 12:36 PM
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Originally Posted by JasonWW
It's not so much the stance, as it is the whole package. Springs, shocks, swaybar, tires, tire pressure, alignment.
Thats what i meant SORRY. I love the Whole suspension setup.LOOKS GOOD
Old 11-18-2008, 02:52 PM
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I just found this thread. Nice to see you are still working on projects like this. Is this perhaps a stopgap solution to never having getting revalved shocks after a drop? Because I think it is.
Old 11-18-2008, 09:07 PM
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Originally Posted by lo_jack
I just found this thread. Nice to see you are still working on projects like this. Is this perhaps a stopgap solution to never having getting revalved shocks after a drop? Because I think it is.
Not really.
Ask yourself, why do you get revalved shocks in the first place?
Old 11-19-2008, 09:07 AM
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Originally Posted by JasonWW
Not really.
Ask yourself, why do you get revalved shocks in the first place?
Well, you get them for the bound and rebound rates (to damp the springs); but if the travel is off, what is the point of different rates? They are still confined to an insufficient amount of travel post lowering.
Old 11-19-2008, 10:29 AM
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Originally Posted by lo_jack
Well, you get them for the bound and rebound rates (to damp the springs); but if the travel is off, what is the point of different rates? They are still confined to an insufficient amount of travel post lowering.
Huh?

Let me just explain it.

Without this mod, if you lower the car 1", you lose 1" of compression travel. Now the car is going to hit the bumpstops harder and more often making the ride quality suffer.

To compensate, you get stiffer springs.

Now these stiffer springs are going to work the stock shocks really hard as they are not valved to match the new springs. You see, shocks need to be valved to match the spring rate. If they are really off it can wear out the shock prematurely or even damage them.

What this mod does is give you back that missing compression travel, so you don't need a stiffer spring and that means you don't need different shocks.

If you want a better ride and better performance than stock your still going to need to get better shocks. If you want to improve the handling a lot more, then add stiffer springs along with better shocks.

Last edited by JasonWW; 11-19-2008 at 11:00 AM.
Old 11-19-2008, 11:32 AM
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Originally Posted by JasonWW

What this mod does is give you back that missing compression travel, so you don't need a stiffer spring and that means you don't need different shocks.
Ok, I get it. The answer is sort of, but not for the reason you think.

Even revalved shocks are going to ride harsher due to lack of compression travel if lowered, but any shock will benefit from this mod if the car is lowered. That is to say, what can you reasonably expect any shock to do with 1-2" less travel than that for which it was designed? That was basically my question; I asked it poorly.


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