Big valve head July 07, 2020 09:19AM
How much valve clearance is needed between the valve and cylinder wall on a diesel?

Re: Big valve head July 08, 2020 12:28AM
I'd say no closer than .050. You dont want valves scraping the cylinder walls. A little more wouldn't hurt. Good luck.

Re: Big valve head July 08, 2020 03:45AM
Not to hijack your post, but would it be beneficial for air to be able to flow around all areas of the valve and not have any obstructions/obstacles. Bigger the gap the better it will flow into the cylinder?

Re: Big valve head July 08, 2020 09:27AM
Most open up around the valve in the sleeve

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