UK Karting - Notice Board (4-Stroke Karting) : Re: lapping valves

Notice Board (4-Stroke Karting)

Re: lapping valves
Posted by 'BrianP' on 27 Aug 2009 @ 13:14

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BrianPJoined: August 2001
Total Posts: 41
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you really need to ask what you are improving by any maintenance.

Lapping is re-sealing after leaks.

yes, lapping is wearing away the metal seats by using grinding paste but the alternative is leaks.
-It's your choice...

Testing for leaks helps you decide.

oh and when you question if such a small improvement is worth it just remember that if you find ten such 1/10th hp boosts then you have found a whole 1 hp!(conversely if you ignore ten small issues you may be giving away a whole 1 hp)

My tips for lapping=learn what makes a good seat and stop as soon as the seat is achieved.

Brian P.

Message Thread:

lapping valves by 'prokartpaul' (27 Aug 2009 @ 0:35)

Re: lapping valves by 'ADZ' (27 Aug 2009 @ 7:52)

Re: lapping valves by 'BrianP' << You are here!

Re: lapping valves by 'Smileyman' (27 Aug 2009 @ 18:28)

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