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Old 04-08-2007, 08:39 PM
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Blazin72 Blazin72 is offline
You got a leaky spark tube...
 
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That noise could be bearings, valvetrain or both. Like you said, only priming the pump isn't going to supply the entire engine with oil on initial startup. When doing it that way you're leaving the oil pump to move oil to critical parts of engine on initial startup. The noise will probably go away as pressure builds but you'd be putting unnecessary wear on the engine early in its life. In order to help prevent this you need to use a priming tool or modify an old distributor as previously suggested and prime the engine with a drill.
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