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Thread: motor mount question

  1. #1
    Senior Member DYNO TECH
    Join Date
    Aug 2007
    Location
    Colebrook Connecticut
    Posts
    425

    motor mount question

    I have a set of poly motor mounts for my 302 that i havent used will they work for my 406 smallblock?
    they bolt up nice but im concerned with the height of them compared to the exsisting ones I have on my 383 thats in the car now.
    going in the camaro
    the mounts in question are energy suspension part # 31118R

  2. #2

    motor mounts

    All chevy big block and small block mounts should interchange if you do not have clearance issues to deal with. So, if you have a '69 camaro with a small block and no fan shroud, it probably will not matter which mount you use. There are 2 different heights of factory mounts. Don't recall right now, but I think they are either 3/8" or 1/2" different in height. For example, a '69 big block Corvette uses the short mount. If you try to use the tall mount, the fan will hit the shroud and you will most likely have a hood clearance problem. If you do some research at on-line part stores, you should be able to figure out which mount (tall or short) came factory on your car. Again, it might not matter on your application.

    Good luck, Dan

  3. #3
    Senior Member RACING JUNKIE jmarksdragster's Avatar
    Join Date
    Jul 2007
    Location
    Florida
    Posts
    635
    It does not matter whether it's a 283 up to a 400. There are different heights depending on the frame mounts and what car/chassis they were meant for. If they are different than what you run you may run into pan clearance, header clearance, or bellhousing area clearance even if they bolt up. And shroud as mentioned.
    Mark Whitener
    http://racingfuelsystems.myfunforum.org
    __________

    Good work isn't cheap, and cheap work can't be good.

  4. #4
    pass. car mounts are taller that truck mounts. only 2 differant hights that i know of
    http://i76.photobucket.com/albums/j4...a/c9e78afe.jpg
    522ci 1110HP 1803* Dukes, cast intake,1250 on gas. Heads By CBOGGS
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