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Thread: How much horsepower on motor mounts?

  1. #1

    How much horsepower on motor mounts?

    Got a 68 Camaro backhalf car with a BBC around 675 h.p. on Moroso solid motor mounts and a stock trans mount. Thinking about upping my game this winter, possibly a 540 or triple nickle around 850 horse. When do you need to use motor plates and mid plates? Is there a rule of thumb?
    batteriesnotincludedsomeassemblyrequiredindividual resultsmayvary

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Sep 2007
    Posts
    4,143
    I have a 540 in a NOVA with a 12 pt cage and I use the solid motor mounts, a rubber trans mount, AND a front motor plate.I did it to help tie the front together beter and control twist... There is no room for a mid plate in the car the way it is now....I used the solid mounts to locate the engine while I made the mounts for the front plate and then just left them in there.

  3. #3
    Senior Member DYNO OPERATOR
    Join Date
    Aug 2005
    Location
    Rifle Colorado
    Posts
    585
    A friend of mine has a 75 Nova with a Procharged 540, water to air intercooler. and 3800#'s. Dynoed at just under 1300hp and has run mid 8's on mounts just like yours. I'd have to say that's pretty much the limit.....

  4. #4
    Junior Member APPRENTICE
    Join Date
    Aug 2007
    Location
    ottawa ontario canada
    Posts
    12
    we twisted mounts on a dart headed Ls7 powered 69 big tire camaro (3240lbs) on a 300 hit...
    this was in 98 or so...made 1000 hp on nos..


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