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Terrible knocking problem, help!
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<blockquote data-quote="dawg" data-source="post: 4217638" data-attributes="member: 839"><p>I'm assuming the chatter sound maybe be from the tensioner instead of knocking. If your A/F ratio is 11-12 you are on the rich side. Stoich is 14.7 and lean would be above 14.7 ...</p><p></p><p>Evos tend to have this problem with our tensioner making a chattering sound at low rpms like 1,000 to 2000 rpm range and it will be gone.</p><p></p><p>When you change your clutch, did the mechanic remove your tensioner and tighten it back? If he touched the tensioner, then its highly probably that its the culprit bcos you need certain force applied to tighten the tensioner. Too tight or not tight enough will make it make chattering sound.</p></blockquote><p></p>
[QUOTE="dawg, post: 4217638, member: 839"] I'm assuming the chatter sound maybe be from the tensioner instead of knocking. If your A/F ratio is 11-12 you are on the rich side. Stoich is 14.7 and lean would be above 14.7 ... Evos tend to have this problem with our tensioner making a chattering sound at low rpms like 1,000 to 2000 rpm range and it will be gone. When you change your clutch, did the mechanic remove your tensioner and tighten it back? If he touched the tensioner, then its highly probably that its the culprit bcos you need certain force applied to tighten the tensioner. Too tight or not tight enough will make it make chattering sound. [/QUOTE]
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Terrible knocking problem, help!