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Non - Specific
Engine Conversion
My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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[QUOTE="Hotrodtractor, post: 353123, member: 25"] The flexplates are not neutrally balanced as you have seen with the additional weight or extra balancing holes - I can't speak with 100% authority for this combo since I haven't been around either flexplate or around either motor to this extent. Depending on the amount of "off balance" the Cummins flexplate is - a good engine shop can spin the flexplate and determine how far off balance it is and then be able to make your new Ford flexplate that you have already modified to bolt to the Cummins match this same amount of off balance. The Cummins flexplate should be oriented to some feature on the crank somehow - unless it is truly neutrally balanced. If it is neutrally balanced - that makes your life easier. The key is a good balance shop - or some real creative home tinkering..... When you turn a flywheel most of the time the amount of material used is consistent enough that it doesn't matter - when you do a pressure plate, clutch plate, or a TC they are usually neutrally balanced. If you go swapping a flywheel onto a different engine than it was intended for - you better make sure that flywheel balance matches the flywheel balance of the correct for that engine flywheel. FWIW - if you buy an aftermarket multidisk clutch - it has a match balanced flywheel to factory specs when needed - and then the whole assembly is is balanced and usually paint marked for orientation for installation..... [/QUOTE]
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My tow pig/DD build thread. F350/Cummins 6.7/twins/6R140
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