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TuningFork426

wiseco pings

4 posts in this topic

Are you sure it's a ping? 91 pump gas is all you need. Are you sure you don't have a valve touching the piston? Valve lash is a major player here.

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my 426 pings what should i do?

will octane boost solve my problem?

Is pinging bad?

Good chance it's just a loose chain rapping on the slider, or a chain that has exceeded it's service limit doing the same. I know you are probably sceptical, but you owe it to your self to eliminate this as a source of the noise before you go any further. I was in the same boat as you and was damned to find out it was an out of spec chain! The chain rapping on the slider sounds freakishly similar to engine knock.

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