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Old 11-21-2023, 04:48 PM
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HWYSTR455 HWYSTR455 is offline
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Hotkiss is notorious for providing small block springs. DO you have a part number?

Again, if it has OE type control arms bushings, and you tightened it while in the air, after a while, it can slip off the 'teeth' of the bushings and drop.

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  #2  
Old 11-22-2023, 06:50 AM
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Quote:
Originally Posted by HWYSTR455 View Post
Hotkiss is notorious for providing small block springs. DO you have a part number?

Again, if it has OE type control arms bushings, and you tightened it while in the air, after a while, it can slip off the 'teeth' of the bushings and drop.

.
But it apparently coincided directly with removing the sway bar.

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Old 11-22-2023, 07:43 AM
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Yes, and good catch on the sway bar bushing call, I didn't mention that when putting possible causes out there. I had an array of sway bar sizes and bushings, and sometimes got them mixed up, so understand how that's possible, personally experienced it.

Maybe the shop bounced the car some after the mount fix and the bushings settled some, or a good dip in the road compressed it some and it didn't return. It might come back up if it's discovered and corrected.


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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
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Old 11-22-2023, 08:01 AM
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Still would like to know the part number for the springs, and if OE control arms bushings were used.

I looked, and there are a bunch of Hotchkis spring part numbers, 1" drop, 2" drop, SB, BB, blah blah blah. Between sets and front only, there's more than 9, I stopped surfing at that point.



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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
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Old 11-22-2023, 08:48 AM
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Quote:
Originally Posted by HWYSTR455 View Post
Still would like to know the part number for the springs, and if OE control arms bushings were used.

I looked, and there are a bunch of Hotchkis spring part numbers, 1" drop, 2" drop, SB, BB, blah blah blah. Between sets and front only, there's more than 9, I stopped surfing at that point.



.
Funny that you mention Hotchkis springs and sitting too low. I made this very mistake many years ago. Springs still on a shelf somewhere. lol I think I ended up with springs from H.O. Racing Specialties? I did the GM B-body spindle conversion. It was popular at the time. Gets badmouthed now. Works great for me. I used Global West tubular uppers. Love 12" manual discs!

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Old 11-22-2023, 09:15 AM
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I had a graveyard of springs at one time, and pretty much ended up using GW exclusively. There's a few others out there that are good, but no one usually comments some of the same vendors.

In general, spring rates can vary +- 10% or more, and on for example a 300lbs spring, that's 30lbs. Imagine that in one set, you get one that's -30, and one that's +30, that's a 60lbs dif.

And how many complain about lean? Yeah. 'Station wagon' springs kills me too. Never get what you want. Sure, once you go beyond a certain rate, it won't lean!

And places that say they use 'factory blueprints'? Uh-huh, sure. They were never accurate, and generic anyway. Doesn't matter what they use as a reference if it's +-10% or more.


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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
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