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Re: Hard starting I 340
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Posted by captiank on November 16, 2005 at 11:45:03 from (66.115.214.56):
In Reply to: Hard starting I 340 posted by Doug in Wi on November 16, 2005 at 11:14:16:
Some things to check. Check to make sure that the choke plate is on the rod and closing all the way. Take a compression test. Ideally, compression on most engines should be 100+, but the most important is that all cylinders be within 10% of each other. If not check valve clearances and make sure they are correct. Point gap should be 0.020 (I think that is what you meant instead of 0.0020) and the points should be clean. Check the timing. If it is too late it might cause it to start hard, if it’s too early the starter will slow every time a piston comes to the top dead center on compression. Check the spark. Should be crisp blue spark jumping at least 3/8 inch to a good ground. Check spark plug gap. Opening it up to 0.030 might help starting if you have good spark. With the engine running take a can of starting fluid or carb cleaner and spray it around where the intake manifold connects to the head. You are looking for any signs of the engine speeding up which would indicate an air leak. Correct if you find something. You might try lighter oil, say 10w-30 for cold weather or 5w-20 for extremely cold (below 0 F) temps. Good luck…
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