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Old 11-23-2023, 07:18 AM
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Ok, so you're good with the look, and you like the ride? It doesn't bottom out does it? Is it just a slight rub, or is it a grinding loud rub?

What condition does it rub? Is it like when you have the wheel turned all the way and are going over a bump or into a parking lot?

Where exactly does it rub, on the fender lip, the inner fenderwell, or on the tie rod or centerlink?

I like the look, but I do prefer lowered cars. But if you need to, you could always put a proper spacer on the spring, the type that fits in the lower control arm pocket that captures the open end of the spring. General rule of thumb is, you get double the lift of the size of the spacer, so a 1/2" spacer would bring it up an inch.

Like these:

https://www.summitracing.com/parts/gls-1924?rrec=true

Obviously, you have to disassemble, but, they work. The type that go on the top have the possibility of rubbing/squeaking during compression, so I suggested using the lower ones. The lower metal ones might squeak too, not sure, I have no experience with them.

Bringing it up 1" should not have a dramatic effect in look, but technically, it could require an alignment adjustment.

If it's a minor rub, you MIGHT be able to fix it by alignment, or by clearancing an area, but would only know if you try.

Did you use a factory alignment setting or a modern, recommended alignment setting?

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Old 11-23-2023, 08:47 AM
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Backing out of the driveway for instance where the lip of the driveway is uneven with the road it’s horrible. Driving not so much, normal turns not so much but any extremes and it is bad

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Old 11-23-2023, 09:04 AM
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If it's 'bad', it will leave a witness mark. Find it, and post please. A pic is best.


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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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Old 11-23-2023, 02:46 PM
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Odd that it changed like that overnight. Did you change the length of the sway bar links? That can change the static ride height a bit but what you are showing is extreme. It looks like you went from stock to 3" dropped springs. You may have to change out those springs or reinstall the urethane spacers in the lower control arms if you pulled them out initially.

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Old 11-25-2023, 04:48 AM
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I am putting the swaybar back on this week and see what happens. If that doesn’t fix I will look at taller springs.

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Old 11-25-2023, 10:13 AM
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Quote:
Originally Posted by 64speed View Post
I am putting the swaybar back on this week and see what happens. If that doesn’t fix I will look at taller springs.
Not sure if anybody has mentioned this, it’s very easy to put the sway bar in upside down. I realized this when putting a new bar on my 71 GTO. I believe the 64 is the same bar?

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  #7  
Old 11-25-2023, 11:10 AM
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Quote:
Originally Posted by 64speed View Post
I am putting the swaybar back on this week and see what happens. If that doesn’t fix I will look at taller springs.
All you need is like an 1", a 1/2" spacer painted black on the lower control arm is almost invisible. But your call obviously.

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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
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Old 11-23-2023, 01:42 PM
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It looks low enough with the sway bar removed that regardless of tire rub, it's going to allow for much more frequent exhaust contact with the ground. May not have happened yet, but it will unless it's returned to a more normal ride height.

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Old 11-25-2023, 01:58 PM
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It has the polyurethane bushings that came in the control arms. I thought using a spacer would increase spring rate

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Old 11-25-2023, 07:05 PM
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Ok, poly, than is didn't hang up if you tightened them in the air, unless you over-tightened and didn't lube the face of bushing that is on the frame side.

Nope, on a linear spring, the rate shouldn't change as it compresses. Shouldn't. If it's not properly made, it 'could', but still not likely. Only 'progressive' springs increase rate as they compress.


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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
https://forums.maxperformanceinc.com...ght=procharger
Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
  #11  
Old 11-25-2023, 07:07 PM
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The amount it could potentially change is nominal, fraction of total rate, and that would be from 'accepted' tolerance. Even so, not enough to worry about.


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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
https://forums.maxperformanceinc.com...ght=procharger
Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
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Old 11-29-2023, 03:20 PM
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Yep you can see the front wheel again
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Old 11-29-2023, 03:23 PM
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It's gotta be the wrong bar then, too narrow or something, ride height shouldn't change at all by putting a sway bar on.

Where did you get the sway bar?



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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
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Old 11-29-2023, 05:13 PM
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Quote:
Originally Posted by HWYSTR455 View Post
It's gotta be the wrong bar then, too narrow or something, ride height shouldn't change at all by putting a sway bar on.

Where did you get the sway bar?



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In theory the bar shouldn't add any wheel rate or ride height when the vehicle is not in motion. However, because each side of the car will weigh slightly different, especially taking cross-weight into account, one side will always be twisting against the other side.

While I do think that 3/4" of rise from the sway bar is excessive...and may yet point to an issue, it's not unheard of to have a sway bar raise a static ride height by a bit.

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Old 11-29-2023, 05:26 PM
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Having ran dirt track cars for many years and running large front sway bars on them you can get a ride height gain if the sway bar links are different lengths. To pre load the sway bar on an oval track car I used a 1 1/4 inch longer link on the right front than on the left front, and yes, the RF would gain ride height after the links were connected, just confirming the links are the same length may be the OPs cause of this gain in ride height.

On an oval track car the preload is used to make the bar more responsive by putting twist in it at a stationary stance.


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Old 11-29-2023, 06:02 PM
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Quote:
Originally Posted by Sirrotica View Post
Having ran dirt track cars for many years and running large front sway bars on them you can get a ride height gain if the sway bar links are different lengths. To pre load the sway bar on an oval track car I used a 1 1/4 inch longer link on the right front than on the left front, and yes, the RF would gain ride height after the links were connected, just confirming the links are the same length may be the OPs cause of this gain in ride height.

On an oval track car the preload is used to make the bar more responsive by putting twist in it at a stationary stance.

This I understand, but an 1.5" longer link is blatantly noticeable. And intentional.

The Hotchkis bar doesn't have links that slide on the bar end do they?


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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
http://forums.maxperformanceinc.com/...d.php?t=760624
1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
  #17  
Old 11-29-2023, 03:24 PM
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Does your bar have adjustable end links?

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Old 11-29-2023, 04:04 PM
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It is the Hotchkiss swaybar that was on the car when I got it.

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Old 11-29-2023, 05:18 PM
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I will take it to the suspension shop to have them look at it Monday but as of right now it seems fine

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Old 11-29-2023, 05:28 PM
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Does it turn in evenly in both directions? If turn in is much more abrupt and much sharper in one direction you probably have a lot of cross weight in the car which may be contributing here.

If it drives pretty neutral, has near equal turn in to each direction and isn't doing anything that makes you uncomfortable, I'd probably let sleeping dogs lie.

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