One of my 400ex currently rebuilding the motor again but it has - TopicsExpress



          

One of my 400ex currently rebuilding the motor again but it has lighted flywheel 39 fcr race carb on methanol 426 13.1 piston big bore kit with 4mm heavy duty crank and rod. Hot rod stage 3 cam. Stock head on it now but a got a port and polish head Im going to put on it. Currently thinking of switching the top from the 426 to a 440 kit so it be a 460. Is the diffrent worth doing. I figure it run cooler with the 440 kit on top the stroker ?
Posted on: Mon, 10 Nov 2014 01:50:45 +0000

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