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    Re: Re-engine Buggy with a (modified) Predator 670
    #61
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    I guess before you do more engine work, I would advise you improve the front suspension so you can see more speed improvements easier. Just my opinion.
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    Re: Re-engine Buggy with a (modified) Predator 670
    #62
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    Quote Originally Posted by darwinpayne2000 View Post
    As far a spinning some donuts, etc, when I'm out at the sand dunes again, I'll grab some video of the buggy in action.
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    Re: Re-engine Buggy with a (modified) Predator 670
    #63
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    I kind of hope Performance 670 makes a stroker crank for the 670 at some point or at least offer mods for other engine lines, ARC Racing only offers some of what I'm looking for.
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    Re: Re-engine Buggy with a (modified) Predator 670
    #64
    Senior Member darwinpayne2000's Avatar
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    Jan 2010
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    American Fork, UT 90 minutes from the sand
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    I spotted this video on Youtube showing a rebuild on the Predator 670 engine using parts from Performance 670.

    https://www.youtube.com/watch?v=142ruxycPwo

    I think this was more of a demo on how to swap out the camshaft, connecting rods, pushrods, etc. If he was really serious, he would have dumped the stock carburetor for the 34mm Mikuni. As he stated in the video, the stock carburetor runs lean and there's no quicker way to burn up an engine than running it fast and lean.

    As far as my project, I've been busy with outdoor projects around the house. Trying to get the yard winterized. I'll get back to this as soon as I can.

    In the meantime, here's a picture of my brother-in-law burying the rear-end into the sand up to the top of the rear tires. He never does anything in half-measures.
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    Re: Re-engine Buggy with a (modified) Predator 670
    #65
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    If I recall that was for their first 670 Buggy that burned to the ground because of a fuel line that leaked onto the exhaust. Then there's Vasily Custome Build's who had his throttle cable stick and sent him full throttle into a house. He switched to dual Mikuni clone carbs because of that. With RBG, he's switching to dual carbs for his larger mini buggy with a supercharged 670, I believe.
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