Re: Lightened Flywheel
Faster rpm response was the whole idea about the modification. The problem may also be in the nature of miss alignment. Model A engine to clutch housing fit up has to be right on the money to prevent misalignment with the input shaft of the transmission. Any misalignment will cause binding of the bearings and possible premature failure. Some folks overlook this stuff when building a 4-banger hot rod engine. This is a lot of modification for a fordor sedan. Some of the V8 clutches available are crap too. They might be OK for an 8N Ford tractor but not so good for a car. A rebuild original 9-inch Long type clutch is a much better investment than one of the poor quality reproductions.
The rotating assembly should have been balanced before reassembly. This would include the crankshaft and the clutch & flywheel.
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