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Kirkham Motorsports

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  #1 (permalink)  
Old 11-14-2010, 07:06 PM
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Cobra Make, Engine: Everett-Morrison, 434 cid
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Quote:
Originally Posted by FWB View Post
it looks like your trusting that one grade 5 bolt to handle all the motors torque.
You quoted Vector, but I'm assuming you're referring to my one grade 5 bolt. Grade 5 was for mock up, which is when the pics were taken. Final assembly used Grade 8, but yes, I trust it.
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Old 11-15-2010, 04:47 AM
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I would expect that you get some flexing in those plates under torque. But it is a nice clean setup.

I like those headers.
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Old 11-15-2010, 05:17 AM
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With regard to engine torque; the loads on the bolts and frame mounts are in the direction compression and tension, so no problem there. There is a bending moment on the engine mounts, but not of sufficient force to cause a problem.

The real loads, I suspect, come from chassis twist on the track. I've experienced enough chassis flex to pinch a door in the opening and crack the door. I've never had a problem with motor mounts though.
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