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I have a rythmic rattle coming from the direction of the right side of the engine at 1500-1700 rpms under light to medium load. It's not very loud, my dad can't hear it, but I can and it drives me nuts.
I've tried retarding the timing in the past, and tried premium gas, neither of which seemed to change it.
The last couple days I tried premium again with the intention of retarding the timing at the same time, but tonight I realized it's already at 7-8*TDC, which hopefully explains my loss in mileage over the last month.
So other than a loose rocker, or maybe rod or main bearing (the engine is new) what else could possibly cause a rattle.
I tried attaching a stethescope to the plenum and routing the tube up through the hood and through the window, but I couldn't hear anything (couldn't hear it without the scope either, as the noise with the window cracked drowned it out)
I've tried retarding the timing in the past, and tried premium gas, neither of which seemed to change it.
The last couple days I tried premium again with the intention of retarding the timing at the same time, but tonight I realized it's already at 7-8*TDC, which hopefully explains my loss in mileage over the last month.
So other than a loose rocker, or maybe rod or main bearing (the engine is new) what else could possibly cause a rattle.
I tried attaching a stethescope to the plenum and routing the tube up through the hood and through the window, but I couldn't hear anything (couldn't hear it without the scope either, as the noise with the window cracked drowned it out)
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