The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Question of the day? 307sb, timing chain and valves

Wrenchbender Ret · 01-06-2013, 01:31 PM

I had a customers 307 that bent the valves one time. Ive had plenty that didnt. If it wiped out all the teeth on the plastic spocket you need to drop the pan & clean it out. I have seen them plug up the oil intake & ruin the engine.

01-06-2013, 01:31 PM	#6
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,229	Re: Question of the day? 307sb, timing chain and valves I had a customers 307 that bent the valves one time. Ive had plenty that didnt. If it wiped out all the teeth on the plastic spocket you need to drop the pan & clean it out. I have seen them plug up the oil intake & ruin the engine.