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Carl Spangler · 03-31-2022, 09:11 PM

I replaced the original (50 YO) OEM O-ring style seals on my L6 engine and all trace of startup smoking vanished. Additionally, the engine is WAY less sensitive to fuel octane issues.

I used this spring compressor:
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

03-31-2022, 09:11 PM	#8
Carl Spangler Registered User Join Date: Oct 2013 Location: Central Coast Ca. Posts: 432	Re: Valve seals I replaced the original (50 YO) OEM O-ring style seals on my L6 engine and all trace of startup smoking vanished. Additionally, the engine is WAY less sensitive to fuel octane issues. I used this spring compressor: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 __________________ 1971 SWB step side: Original NM Forestry truck, then NM Fire truck, and now a ranch truck.