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GRX · 03-30-2015, 08:32 PM

Was the engine run with bad gas? Very bad gas? Smells like Turpentine. I have seen *many* intake valves stuck in the guide because of sticky varnish from bad gas. Like geezer said try spraying some solvent around the guide. Denatured alcohol works well for that. Then strike it with a plastic hammer.

03-30-2015, 08:32 PM	#10
GRX Registered User Join Date: Jul 2010 Location: MD Posts: 1,937	Re: Is this motor a goner? Was the engine run with bad gas? Very bad gas? Smells like Turpentine. I have seen many intake valves stuck in the guide because of sticky varnish from bad gas. Like geezer said try spraying some solvent around the guide. Denatured alcohol works well for that. Then strike it with a plastic hammer. __________________ 1969 c-10 Step Side Long Bed. I-6 250cid = = 1969 Pontiac GTO hard top. 400, 4-speed.