Suspension TECH Including Brakes, Wheels and tires

          
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  #21  
Old 02-25-2015, 04:18 PM
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This morning I jacked up the car for an install on the BMR braces. Before I did anything I noticed that my mufflers we're going to be pretty close to the required longer bolts. I removed the front lower control arm bolts, fed the longer one through and it contacted the muffler. The longer bolt would possibly fit coming in the other way but that would require dropping the rear of the exhaust system to feed the bolt in. My fear is that once installed that the mufflers would still contact the longer bolts during normal movement allowed by the rubber mounts. Spread the mufflers? The H pipe dictates they stay put. Soooooo, Summit is getting these back and I'll order a set of the OEM factory type braces which should work with the current bolts.
The factory ones will work fine, I just spent the money because I had UMI in there already. My car has a turbo the exhaust is not in the way.
On a side note if you ever change your exhaust use an x pipe rather that an h pipe. Test have proven they work better. I saw a dyno test on x vs h vs none at all.

  #22  
Old 03-01-2015, 05:12 PM
ERIC AULL ERIC AULL is offline
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I was worried so I bought a new chassis...
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  #23  
Old 03-01-2015, 05:19 PM
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Quote:
Originally Posted by David Jones View Post
This morning I jacked up the car for an install on the BMR braces. Before I did anything I noticed that my mufflers we're going to be pretty close to the required longer bolts. I removed the front lower control arm bolts, fed the longer one through and it contacted the muffler. The longer bolt would possibly fit coming in the other way but that would require dropping the rear of the exhaust system to feed the bolt in. My fear is that once installed that the mufflers would still contact the longer bolts during normal movement allowed by the rubber mounts. Spread the mufflers? The H pipe dictates they stay put. Soooooo, Summit is getting these back and I'll order a set of the OEM factory type braces which should work with the current bolts.
I used a set of the repro factory sheetmetal braces on my '64 GTO, powered by a 455 very similar to what you have.

No issues after over a decade of racing, launching off of the transbrake with 10X28" slicks.


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  #24  
Old 03-01-2015, 05:48 PM
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Originally Posted by ERIC AULL View Post
I was worried so I bought a new chassis...
LOL very nice frame!

  #25  
Old 03-01-2015, 06:33 PM
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Originally Posted by b-man View Post
I used a set of the repro factory sheetmetal braces on my '64 GTO, powered by a 455 very similar to what you have.

No issues after over a decade of racing, launching off of the transbrake with 10X28" slicks.
Summit got theirs back and I should have a set of the OEM reproductions at the office when I get back in town from this trade show.

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frittering and wasting the hours in an off hand way....



1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core.
  #26  
Old 03-01-2015, 08:19 PM
ERIC AULL ERIC AULL is offline
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Thanks JSPONT....see you around the Island....if spring ever comes!!!!

  #27  
Old 03-01-2015, 08:29 PM
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Thanks JSPONT....see you around the Island....if spring ever comes!!!!
Holy chit, you are on the island! Where about, I'll be out this spring with the new set up. I would love to see your build in person.

  #28  
Old 03-09-2015, 03:30 PM
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OEM style braces installed. I simply took the correct nuts off of the rear upper/lower control arms, slipped the braces over the bolts and reinstalled the nuts. Retightened the nuts with the suspension loaded.

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frittering and wasting the hours in an off hand way....



1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core.
  #29  
Old 03-10-2015, 04:57 AM
rexs73gto rexs73gto is offline
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That new frame & parts looks great, not to be to nosey but how much for something like that. I'd love to have one of those & who did it come from???

  #30  
Old 07-02-2015, 01:39 AM
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I just bought the OEM style braces from Inline Tube. $65.00

  #31  
Old 07-03-2015, 02:58 AM
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Don't think Pontiac's main concern was the frame as much as the bowed quarter panels that resulted from the flexing. Wasn't good advertising for perspective new customers.

Just installed a beautiful set from TechStar Massive last weekend that a friend purchased off ebay for $122.11 including freight and shipping. Welding was better and they offer a choice of colors (why?). Had a little problem with the bracket angles getting them in place, but the friends car already had some bow in the quarters so frame was probably tweaked a little. His car was originally a four speed car and had the original supports, but the mounting holes were oval'd out and there was cracking around the support's bolt holes. Kind of shows that there was a lot of stress going on over the years to do that damage to the supports.

I set the brackets to a neutral load. In hindsight, looks like I should have the bracket pulling the ends together a little to be the most effective.

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  #32  
Old 07-12-2015, 03:55 AM
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Dug the friend's braces out of the scrap pile for a pic. They show quite a bit of abuse.
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  #33  
Old 07-12-2015, 01:11 PM
Nicks67GTO Nicks67GTO is offline
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I have the UMI braces. They are excellent parts

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  #34  
Old 07-12-2015, 07:31 PM
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I have the UMI braces. They are excellent parts
X2 love mine so far

  #35  
Old 07-16-2015, 12:18 AM
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i have the factory ones but i was going to buy new fancy ones from chris alston chassis works or currie but was worried that they would hit the mufflers

https://www.cachassisworks.com/p-134...ort-brace.aspx

  #36  
Old 03-26-2018, 04:12 PM
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Can someone please re post the pic that B Man put up of the braces.

I can't see it because it was a Photobucket pic, and I can't find any other pics of those braces on this forum.

If anyone has a solution to this, that would be appreciated also, as there are a lot of Photobucket' pics that I cannot view.

Thanks

  #37  
Old 03-26-2018, 05:10 PM
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I have all the UMI braces. I was really bummed because I wanted to install the rear shock brace but I didnt do it while the boy was off the frame and it wouldnt go in once it was back on. I havent installed the control arm braces yet but I have ripped the rear crossmember out of a 64 Lemans with nothing more than a stock rebuilt 66 YS code 389 and an M20. I even bought the brace that goes between the front frame rails and the bumpsteer kit. So far I have been very impressed with UMI quality and even more impressed with their customer service.

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  #38  
Old 03-26-2018, 08:30 PM
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found this pic on Team Chevelle, looks the same
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  #39  
Old 03-29-2018, 09:34 AM
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Guy that ran the speed shop I used in high school and college had a M/P 65 Chevelle with a cross ram BBC and a stick and slicks of course tore the mounts out at the track.

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  #40  
Old 04-06-2018, 10:19 PM
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I have to replace the brace on the driver's side of my 66 when I get it up in the air to do the Auburn Limited Slip install. I also have a set if OEM braces for back there. They aren't cheap in the catalogs, OEM or after market, so I'm going with what I have on hand now.

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