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Old 01-12-2021, 09:44 PM   #8
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Join Date: Jan 2013
Location: Simi Valley, CA
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Re: vibration maintaining cruising speed

Check if any exhaust equipment is close to anything. At that speed and torque, an exhaust part can lightly touch something and cause a noise. Coasting and harder acceleration could change the light contact and reduce the noise.
'70 Chevy 3/4T Longhorn CST 400/400/3.54 Custom Camper

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