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MS440 Big Bore Kit |
September 23, 2019 |
Reviewer:
Bill Young from Franklin, PA United States
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Cylinder jug was in excellent shape. All tapped holes were fully tapped with screws going in finger tight. Jug aligned perfectly with saw mounting base. All casting flash on inlet and outlet ports was removed and all internal ports were lightly chamfered and cleaned up before the Nikasil coating was applied. However, the metal gasket that comes with the kit is not correct size. It is made for a 460 frame, hence, the holes for the mounting bolts are off by about 3/16". Also, it is about 1/16" too wide for the 440 frame. I saved my old metal gasket and it worked just fine with the new jug. This was the ONLY issue that I had with the whole kit. All original equipment parts bolted up cleanly. Once fully assembled, you will find that the high speed jet will need to be advanced slightly to allow for more fuel at the top end of the cut. Also bumped up the low speed by a tiny amount. Carburetor for 440 is also rated for 460, so, this isn't an issue.
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