1.25 front sway bar with 1.5 rear sway bar?

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1.25 front sway bar with 1.5 rear sway bar?

Post by 77cruiser on Thu Sep 10, 2015 7:22 am

I looking at picking up a 1.25 front, & was looking for a rear to go with it & found a 1.5 inch.
How will that work out? Too much in the rear? Don't want an over steering monster.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by brownbomber77 on Sat Sep 12, 2015 7:18 am

That A$$ will definitely stay planted. Ha. But yea, in theory, it will understeer in hard cornering. Not recommended. Where did you get a rear bar that big?!?!

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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by 77cruiser on Sat Sep 12, 2015 9:32 am

I don't have it, it was on Ebay, but I didn't buy it.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Joe73 on Sat Sep 12, 2015 9:41 am

I also think it will give you understeer. Since that bar is straight across I assume it would have to go rearward of the diff cover. Our stock bars and the caprice bar have bends in them to go around the diff.

Wonder how that bar bolts on and what it looks like.

Ad also mentions Grade 10.9 hardware which is metric so you would just reuse your original hardware unless you installed the late model sway bar inserts in your arms.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by 77cruiser on Sat Sep 12, 2015 10:43 am

Actually a big bar in front would promote understeer, big in rear oversteer.
I just don't know how big I should go in the rear with a 1.25 front bar.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Sat Sep 12, 2015 1:45 pm


I doubt that would work as well as the Impala SS bars and 9C1 police package bars on our cars for they Don't configure for our cars See Enclosed pic, That is from the aforementioned Imp SS / Police Package The top pic is the regular sway bay the bottom in the SS / Police Package



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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Joe73 on Sat Sep 12, 2015 1:48 pm

Thats what i was saying above.  The bar they show is straight across with no noticeable bends.  It would have to install rearward of the diff cover.


Last edited by Joe73 on Sat Sep 12, 2015 1:52 pm; edited 1 time in total
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Sat Sep 12, 2015 1:51 pm

Right I know Joe Was just showing him the difference for the bend around the rear end, I don't see how that straight one would install on our Cars
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by 77cruiser on Sat Sep 12, 2015 3:43 pm

I should have bought it, maybe a 1 inch would better suited.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Sat Sep 12, 2015 3:55 pm

77cruiser wrote:I should have bought it, maybe a 1 inch would better suited.

Or go to Junkyard and pull one off the Police Package caprice or Imp SS
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Dinomyte on Sat Sep 12, 2015 8:05 pm

I can't offer a lot more than anecdotal information as I can't remember the whole reasoning behind this but.  I put a 1.25" bar up front from a TA and the 1" 9c1 police bar out back.  The car drives a whole lot nicer now, it's not a slot car but it's a lot less like a sofa with wheels. Very Happy Very Happy

I should mention I had no bar out back and the stock 15/16" bar up front.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by 77cruiser on Sun Sep 13, 2015 6:05 am

Joe73 wrote:Thats what i was saying above.  The bar they show is straight across with no noticeable bends.  It would have to install rearward of the diff cover.
If you look at it closely it really doesn't need the bends it will go under the rear in a straight shot.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by driveit on Sun Sep 13, 2015 7:46 pm

I bought that bar yesterday. Having trouble paying for it though. I am trying to get something worked out with the seller.

Anyone have the pieces I need to bolt it up?
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Sun Sep 13, 2015 9:31 pm

driveit wrote:Anyone have the pieces I need to bolt it up?

GM parts direct dot com

Part Number: 10191120


MOUNTING BRACKET Buick, Chevrolet, Olds

Item #8 on image
Online Price
$9.69 each
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by dynchel on Mon Sep 14, 2015 7:59 am

That part # comes up as discontinued from gm parts dot com. I bet opg bout the remaining inventory & tripled the price.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Mon Sep 14, 2015 11:53 am

Gm Parts and GM Parts direct are two different companies and will call to make to make sure they have them
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Mon Sep 14, 2015 12:14 pm

Limey SE wrote:Gm Parts and GM Parts direct are two different companies and will call to make to make sure they have them

John they still have them in stock at GMPartsdirect dot com NOT GMParts dot com two different companies I do believe
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Joe73 on Tue Oct 13, 2015 9:10 pm

Little late on this thread but I came upon some pics of that straight style sway bar on our cars. Looks a little out of place to me, but if it does the job then great.

http://realoldspower.prophpbb.com/topic7975.html
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Tue Oct 13, 2015 10:24 pm

that's Mr Masino hes a Member here Joe I will get him to post some pics and details here for us ........ I know him he is local to me
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Joe73 on Wed Oct 14, 2015 6:05 am

Maybe for the OP. Im not going that route. Thanks
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by dynchel on Wed Oct 14, 2015 6:16 am

The pictured uppers were from my car, I sold him them a while back.
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Re: 1.25 front sway bar with 1.5 rear sway bar?

Post by Limey SE on Wed Oct 14, 2015 2:10 pm

Joe73 wrote:Maybe for the OP.  Im not going that route.  Thanks

nope me either I went with the Impala bar good enough for me
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Re: 1.25 front sway bar with 1.5 rear sway bar?

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