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I have just rebuilt my LS6 454. As I have placed the heavy duty steel flywheel, I have seen trouble. I think the ring gear is too far away from the block. That means the starter gear doesn't fit correctly in the ring gear. It comes only approx. 1/2 of the width into the ring gear. Is it possible that I have the wrong starter? Are there differences in the dimensions between manual or auto? Is it possibel that I have an auto starter which is too short? Thanks.
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Re: Flywheel 454
Did you have your engine balanced externally or internally ? Did you get a new flywheel or do you have the same one? I've never had that problem but the balancing for the 454 is external. Hang in there someone will come up with an answer.grr#33570 -
Re: Flywheel 454
The parts catalog calls out the 3992094 flywheel for the '71 Special High Performance 454 and notes that it is designed for a dual plate clutch. The Power Manual calls out the 3963537 light weight nodualar iron flywheel. There is no mention of the clutch design for this flywheel, but I assume it is designed for a single plate 10.4 inch clutch as is the L-88 flywheel.
All 454s have "unbalanced" dampers and flywheels because external balance weight is required to dynamically balance the engine. Use of 427 parts will result in a dynamic out of balance condition in a 454. The 427 externals are zero balanced because they carry all dynamic balance weight internally.
What is the part number of the flywheel you are using?
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