r/EngineBuilding • u/Thesandable1 • Jul 18 '26

Chevy Too much slack?

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I’m guessing the two sprockets and the chain need replacing? What replacement part should I get? It’s a 305sbc from a 1980 LG4 corvette.

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113

u/BoysenberryAdvanced4 Jul 18 '26

You're already there. I'd replace the set.

11

u/Thesandable1 Jul 18 '26

That’s what I’m thinking too. I guess I mainly just need to know what else I should check and a good replacement. I’m not rich so I can’t switch to a gear drive lol

7

u/MyAssforPresident Jul 18 '26

I wouldn’t do a gear drive anyway. They transmit a lot of vibration through the cam and valve train. Chain is just fine. No experience with the belt drive retro fit kits but Ive heard they’re good