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#1
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rear sway bar fitment with different rearends
Hi, I might be putting a new rear in my car and am researching options to help make a decision. One thing I want to retain is the sway bar I am already using.
My car is a 1967 GTO, TH400 with a 1969 Grand Prix 10 bolt, limited slip and 3.23's. As far as I know the rear is all original except for the bearings and seals I put in 20+ years ago. It's not grabbing like it used to and before I put any $ in it I am considering another and stronger rear. It appears readily available options are a GM 12 bolt and a 9" Ford. The sway bar and boxed control arms I have are original Pontiac parts. Has anyone know if the factory bar works with either of these rears? |
#2
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Factory bar works fine with a 12 bolt. Would think it would be fine with a 9” as long as it’s a factory size housing, not one of the real beefy aftermarket housings.
Nate
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1970 "Real" Judge RAIII 4-speed, Atoll Blue w/painted white top. Mild RAIV headed 400 motor in now. |
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#3
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Factory Sway Bar ("A-Body) works fine with my Moser 9 inch rear housing.
Factory rear sway bar parts. Course the Moser rear was designed to go under a A-Body Vehicle. My housing is Beefy/ aftermarket and I run a Strange center section in the housing. Tom V.
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"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#4
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Strange S-60 fit is perfect , i have the GM arms & bar in my 64 GTO
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#5
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Sure, but helps to grind for clearance across the S-60 center-section lower casting. I didn't, but would if a fresh install.
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#6
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Thank you guys. I appreciate sharing your combos and experiences.
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#7
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Sometimes the 'bow' in the bar makes contact with the center section of a 9" because of the offset, have seen that happen.
The tubes on the 9" are larger diameter too, the tailpipe bends might have a clearance issue for so exhausts. .
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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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#8
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Post #7 is what i'm claiming for the S-60 installs; mod-lower casting could use a grind. Insp cover probably okay.
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#9
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Changed 7/8 GM bar to 1" UMI & clears center section by 1" now , GM one was 1/4" gap, rides nicer & no chance of binding .
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#10
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Gm designed those factory bars around 12 bolts in a-bodies starting in 1970. My Chevelle has it's factory 12 bolt and rear bar setup still in place. I'd bet the bar isn't much more than a 1/4" from the bottom of the rear. Been that way since it was born by design. No fear of any rubbing or binding.
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#11
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I have a Quick Performance 9 Inch with the jack pad. I am using the UMI sway bar and it fits nicely. It blocks a little of the jack pad but not enough for it to be a deal breaker.
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#12
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I'm doing a quick performance 9" this week with drain and jack pad and installing the factory GM Monza rear sway bar on a Vega (same chassis)
There will be plenty of room. |
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