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Re: missfire at operating temp
Posted by Andy in PDX (more from Andy in PDX) on Sun, 16 Apr 2006 15:57:18
In Reply to: missfire at operating temp, terence1, Sat, 15 Apr 2006 18:45:26
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Have you done a compression test and checked the valve clearances?
You may have a bad valve, or you could have a worn exhaust lobe on the camshaft. I had a Fiat 124 come in one time with a backfire through the carb, and one exhaust lobe on the cam was rounded off so the pressure built up in that cylinder was blowing out the intake when the intake valve opened.
People always assume that a problem is carburetor, without ever checking the mechanical condition of the engine. I've had carbs and injection that were completely out of whack because the owner played with it before finding out that the problem was mechanical.
posted by 209.102.125...
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