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Post by christoph on Jul 16, 2007 16:59:39 GMT -5
It sounds like yo may have bigger problems but I have a performance wiesco piston 10:1 comp and it sounds like chattery valves all the time. Aparantly this is normal for a performance piston.
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Post by wizz954 on Jul 16, 2007 19:43:04 GMT -5
Yes, I have the same Wiseco 10:1 piston and it does sound noisy, a dang dang noise, no other way to describe it.
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Post by wotavidone on Jul 17, 2007 20:30:18 GMT -5
Me too clanking noise with Wiseco 10:1 piston.
Stiull reckon with 11:1 piston you should be trying some 100 octane fuel. 98 octane just gets rid of the pinging with my 10:1 piston.
Mick
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