have recently noticed the engine making loud roaring noise from under the intake manifild...seems to run ok just real noisy. i think i located the noise is loudest under the manifold. Any ideas what is causing it. thanks bill
have recently noticed the engine making loud roaring noise from under the intake manifild...seems to run ok just real noisy. i think i located the noise is loudest under the manifold. Any ideas what is causing it. thanks bill
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