I broke a rear trailing arm at the track!, Holy Cow! |
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I broke a rear trailing arm at the track!, Holy Cow! |
Matt Romanowski |
Jul 18 2017, 06:42 PM
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#1
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Senior Member Group: Members Posts: 878 Joined: 4-January 04 From: Manchester, NH Member No.: 1,507 |
I was at Mont Tremblant this weekend with my track car. It's got a stock 3 liter, 915 with Martin's shift conversion, great suspension setup. Weights around 2000 lbs. I came in from a run and the right rear tire had WAY too much camber. It was obvious it was broken and about to rain, so we loaded up and waited for the complete diagnosis for when we got home. Put it on the lift to find the rear control arm coming apart. I'll post up more photos and analysis when I get the arm off, but wanted to share these.
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GregAmy |
Jul 20 2017, 06:11 AM
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#2
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Advanced Member Group: Members Posts: 2,290 Joined: 22-February 13 From: Middletown CT Member No.: 15,565 Region Association: North East States |
I'll be checking my racer as well, but I have to wonder if the welding on that bit, along with getting jacked down pretty hard there regularly, contributed to the problem. Do you cross-strap and do you jack it down pretty hard to pull down the suspension (I don't do either)?
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Matt Romanowski |
Jul 20 2017, 12:25 PM
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#3
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Senior Member Group: Members Posts: 878 Joined: 4-January 04 From: Manchester, NH Member No.: 1,507 |
I'll be checking my racer as well, but I have to wonder if the welding on that bit, along with getting jacked down pretty hard there regularly, contributed to the problem. Do you cross-strap and do you jack it down pretty hard to pull down the suspension (I don't do either)? We put the straps straight back. We don't go crazy pulling it down, so I don't think that was it. The other side doesn't show any signs of cracks or any problems. I'm thinking this might just be a fatigued 40something year old part. I'm heading down to see Chris tomorrow and we'll see what he thinks. |
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