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E-Body Rear Sway Bar Mounting To Frame:
#2904015
03/29/21 02:10 PM
03/29/21 02:10 PM
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Joined: Jan 2003
Posts: 8,392 Highland, MI.
Sunroofcuda
OP
master
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OP
master
Joined: Jan 2003
Posts: 8,392
Highland, MI.
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I was thinking about this last night & figgered I'd post it up. On the E-body cars with the rear sway bars, where the brackets mounted to the rear frame rails - they mount with 4 beefy sheetmetal screws on each side. Would it be better/stronger to use two long grade 8 bolts with a locking nut to run through the rails, or is the 4 screw method perfectly adequate?
No Man With A Good Car Needs To Be Justified
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Re: E-Body Rear Sway Bar Mounting To Frame:
[Re: A39Coronet]
#2904101
03/29/21 09:05 PM
03/29/21 09:05 PM
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Joined: Nov 2004
Posts: 25,050 Texas
GoodysGotaCuda
5.7L Hemi, 6spd
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5.7L Hemi, 6spd
Joined: Nov 2004
Posts: 25,050
Texas
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Nutserts would do a pretty good job, I wouldn't put any type of "self-tapping" fastener there. FWIW, My aftermarket Hotchkis brackets are welded in.
If you are through-bolting it, you want to add some compression sleeves inside the frame rail to avoid crushing it. Drill ~7/8" holes, insert 7/8" compression sleeves, install bracket, put 1/2" bolts through it.
Last edited by GoodysGotaCuda; 03/29/21 09:07 PM.
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Re: E-Body Rear Sway Bar Mounting To Frame:
[Re: Sunroofcuda]
#2904215
03/30/21 09:07 AM
03/30/21 09:07 AM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Would it be better/stronger to use two long grade 8 bolts with a locking nut to run through the rails I've done this several times adding rear factory bars to my E bodies for the last few decades....zero issues, easy pezzy... employed none of the over thinking mentioned in other posts above, just drill/bolt done.... the one on my 71 Challenger has been on there 40+ yrs with poly bushings....zero issues
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Re: E-Body Rear Sway Bar Mounting To Frame:
[Re: DAYCLONA]
#2904257
03/30/21 11:20 AM
03/30/21 11:20 AM
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Joined: Jan 2003
Posts: 8,392 Highland, MI.
Sunroofcuda
OP
master
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OP
master
Joined: Jan 2003
Posts: 8,392
Highland, MI.
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Would it be better/stronger to use two long grade 8 bolts with a locking nut to run through the rails I've done this several times adding rear factory bars to my E bodies for the last few decades....zero issues, easy pezzy... employed none of the over thinking mentioned in other posts above, just drill/bolt done.... the one on my 71 Challenger has been on there 40+ yrs with poly bushings....zero issues I was thinking the same thing. The bracket that fits over the unibody frame rail is beefy enough itself without even thinking about crushing the frame. I was mainly wondering if the bracket movement over the years was enough to start working the 4 screws loose. I'll leave it as is.
No Man With A Good Car Needs To Be Justified
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