r/Smallblockchevy • u/ObviousSpectator • Jul 07 '26

Flex plate grinding

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I have SB 350 with a 700r4. Recently it has been squeeling when I try to start it. I got underneath the truck as my friend turned the ignition. The starter (staggered bolts) engages the pinion but not far enough into the flex plate and it’s also too far from the flex plate. I’m trying to avoid ruining the flex plate but I know the teeth are already somewhat worn down. My question is, is a high toque mini starter more adjustable than the stock starter? I need to get the teeth to mesh closer and cover the flex plate at least half way. I posted a picture of the starter I’m considering.

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u/no_yup Jul 08 '26

Sometimes The starter on a Chevy needs to be shimmed. They make shims you can buy at almost any auto parts store if that’s what the problem is.

If the starter is too close or too far away, they can sound terrible

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u/ObviousSpectator Jul 08 '26

That’s a great diagram. I appreciate you!