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General Category => General Discussion => Topic started by: Zenermaniac on July 20, 2022, 08:19:56 PM

Title: Valve clearance
Post by: Zenermaniac on July 20, 2022, 08:19:56 PM
I saw a YT video where they claimed on V7s that MG mechanics recommend setting valves at .005 & .007 inches instead of .004 & .006. I wondered if this was really true and where most readers here set them. Am I assuming correctly that if true it would also apply to the V9? Advantages or not enough difference to matter?
Title: Re: Valve clearance
Post by: Kev m on July 20, 2022, 09:28:37 PM
I saw a YT video where they claimed on V7s that MG mechanics recommend setting valves at .005 & .007 inches instead of .004 & .006. I wondered if this was really true and where most readers here set them. Am I assuming correctly that if true it would also apply to the V9? Advantages or not enough difference to matter?

Meh, much ado about nothing.

In the US the stickers on the MKIII say 6 & 8.

A lifelong Guzzi expert told me go 4 & 6.

That means 5 & 7 just doesn't matter, it would obviously be fine too.

Do what you want
Title: Re: Valve clearance
Post by: moto-uno on July 21, 2022, 04:05:31 PM
  And to be honest one mans' .006" is another mans .007" or .005" . Peter
Title: Re: Valve clearance
Post by: pressureangle on July 21, 2022, 04:21:02 PM
Yeah, kind of a nothingburger. It's unlikely to change the running characteristics enough for you to notice.

Otherwise, you may find some who keep them on the wide side of recommended (like me) because theoretically you have a little more space for oil film to cushion the lifters.
Theoretically.
Title: Re: Valve clearance
Post by: centauro on July 21, 2022, 04:28:57 PM
Yeah, kind of a nothingburger. It's unlikely to change the running characteristics enough for you to notice.

Otherwise, you may find some who keep them on the wide side of recommended (like me) because theoretically you have a little more space for oil film to cushion the lifters.
Theoretically.

When in doubt, always remember that loud valves save wallets! Idling quality will be better with slightly wider clearances...
Title: Re: Valve clearance
Post by: Navydad on July 22, 2022, 07:32:19 AM
When in doubt, always remember that loud valves save wallets! Idling quality will be better with slightly wider clearances...


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