1964 lemans- Help on rear sway bar - Pontiac GTO Forum
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post #1 of 10 (permalink) Old 06-23-2012, 10:14 AM Thread Starter
 
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1964 lemans- Help on rear sway bar

What is the best an reasonably priced rear sway bar to buy for my 1964 lemans coupe? Car didn't come with one. Hopfully no drilling. Any help with this and better sway control handling. I have installed new coil springs and KYB shocks all around. Thanks.
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post #2 of 10 (permalink) Old 06-23-2012, 11:16 AM
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Depends on what is considered reasonable these days. Rear sway bars require different or beefed up lower control arms to take the load ($$$ ), and these are drilled to accommodate the sway bar mounts. I have an old Aadco (sp?) bar on the rear of my '65 that installs with plates to the bottom of the arms, not the side. This still required drilling. Figure on spending upwards of $500 for the whole set up, or shop used like I did. I got a factory rear bar for my '67 for $40 at a swap meet, and found the correct arms for $50 used, needing new bushings. You CAN use the old arms if you install the stiffening kit available from the vendors, or if you fab up a couple of sleeves. Depends on how handy you are!
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post #3 of 10 (permalink) Old 06-23-2012, 05:53 PM
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I'm running the Spohn pro-touring sway bar. No control arm mods needed because it doesn't mount to the arms. I like it a lot.
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post #4 of 10 (permalink) Old 06-23-2012, 07:07 PM
 
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Ames sells a kit complete with boxed lower arms and all bolts for $279.

When the only tool in your toolbox is a hammer, you tend to see every problem as a nail.
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post #5 of 10 (permalink) Old 06-24-2012, 08:34 AM Thread Starter
 
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Thanks Guys.
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post #6 of 10 (permalink) Old 06-24-2012, 09:34 AM
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sway bars are like disk brakes, waaay over rated!
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post #7 of 10 (permalink) Old 06-24-2012, 12:15 PM
 
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Originally Posted by Rukee View Post
sway bars are like disk brakes, waaay over rated!
You really think so? The difference in roll was very noticeable when I put the rear bar on my '67.

I was fortunate in that I was given a set of boxed control arms when I bought my car. All I had to do was get the bar and shims.

When the only tool in your toolbox is a hammer, you tend to see every problem as a nail.
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post #8 of 10 (permalink) Old 06-24-2012, 12:24 PM
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$279 is pretty cheap for the whole set-up, IMO. Very reasonable. I thought it was about twice that. I am ignorant of the Spohn bar.....How does that mount/work?? In my personal experience with these cars, rear sway bars make them corner much better and flatter, as long as the front bar is upgraded too, in conjunction with installing the rear bar. You don not want a big heavy rear bar and a stock front bar. I have also experienced a harsher ride quality with rear sway bar equipped cars. It's a trade off.
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post #9 of 10 (permalink) Old 06-26-2012, 10:16 PM
 
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If you are wanting better handling, replace the front bar (7/8") with one from a big block Monte Carlo or Grand Prix, up to 1972. They are 1 1/8". Beefy. You need to upgrade your end links and bushing brackets, too. Not tough to do, but do it before the bar tears the bolts out of the frame.

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post #10 of 10 (permalink) Old 06-27-2012, 09:16 PM
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Originally Posted by geeteeohguy View Post
I am ignorant of the Spohn bar.....How does that mount/work??
The bar itself clamps to the rear axle housing. There are adjustable end links on it that tie the each end of the bar to the rear crossmember. One nice thing about this arrangment is that if desired you can dial a little pre-load into one side of the bar to help the car launch straight at the track.

Here's a picture of mine...



And a close up of the end links and crossmember mount.


Spohn says the end link brackets have to be welded to the crossmember, but as you can see, I bolted mine and they're plenty strong.

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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, Lemans & GTO Undercarriage, Frame, Transmission and Differential Discussions.

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