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Thread: Solid Motor Mounts

  1. #1
    Registered Member JT56's Avatar
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    Solid Motor Mounts

    Since I am moving towards a large stroker SBC, thought of adding solid engine mounts to it. I currently have side mounts on it. Any thoughts from anyone. Car is 95 street driven, but I do keep my foot in it.

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    Registered Member NickP's Avatar
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    You will feel every single application of the throttle pedal. What SBC?

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    Registered Member JT56's Avatar
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    Looking at a 436 from Milton BADD55 in Georgia

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    Registered Member NickP's Avatar
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    My my................................................ .......................... Kool

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    Registered Member warren57's Avatar
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    I agree with Nick and believe some rubber is needed to damper the movement/vibration between the frame and the engine. In the old days we used to drill a hole through the mount and add a bolt through the rubber to hold things together when we tore the rubber loose. The bolt wasn't over tightened, just touching. I also saw one where a piece of chain was added to hold the engine from twisting when the rubber fails, didn't look to fancy but probably worked. Actually it torques down on the right mount, so that rubber never fails, it's the left side that goes bad after a while.

  6. #6
    Registered Member chevynut's Avatar
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    I would just use a different type of urethane mount than the stock design, if you're afraid it will break. Look at the ones from Earle Williams.

    http://www.williamsclassic.com/#!__products
    56 Nomad, Ramjet 502, Viper 6-speed T56, C4 Corvette front and rear suspension


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  7. #7
    Registered Member OLKY55's Avatar
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    My experience with solid mounts is that engine vibration will loosen every screw on the car. You might look at the Energy Suspension urethane mounts, if they're not too close to the headers.
    1955 2D HT, 1957 2D Sedan, 2004 Z06 Corvette, http://s1070.photobucket.com/user/OL...?sort=3&page=0

  8. #8
    Member BONNEVILLE BOB's Avatar
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    Quote Originally Posted by warren57 View Post
    I agree with Nick and believe some rubber is needed to damper the movement/vibration between the frame and the engine. In the old days we used to drill a hole through the mount and add a bolt through the rubber to hold things together when we tore the rubber loose. The bolt wasn't over tightened, just touching. I also saw one where a piece of chain was added to hold the engine from twisting when the rubber fails, didn't look to fancy but probably worked. Actually it torques down on the right mount, so that rubber never fails, it's the left side that goes bad after a while.
    Mid to late sixties full size Chevies had a bracket bolted to the exhaust manifold on the driver/left side with a cable that attached to the frame that didn't look to bad. Saved a set for future use... if I can remember where I put 'em.

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