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138 Posts
Discussion Starter · #1 ·
Hey, well i recently rebuilt my engine and after i installed it, it makes i knocking sound upon acceleration. I pulled the spark wires at one time and reved it up, it found to be the #4 piston chamber, does anybody know what it is? it knocks after or about 2000 Rpms, also it cannot be the crank bearings because they were replaced with new ones and aslo the clearences were checked several times with plastigage, any advice?

Fahim Khan
Mad 88 Suzuk
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