20091026 1986 gmc sierra

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Uploaded by on Oct 26, 2009

some revving to try and keep the battery alive :P lol

anyone know what the noise is when i take the foot off the gas after revving past about 4000 rpm? valve clatter maybe?

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Autos & Vehicles

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  • HOT! revv that beast

  • Cool truck

  • Keep up the GREAT work! LOVE that old truck getting pumped n cranked!

  • The noise sounds like "an afterburner" in the exhaust system. There is probably a small leak in the exhaust manifold or pipe, which allows air to be sucked in, lighting off the hot exhaust. Yeah...another GREAT video!

  • yet another awesome video !!!!!

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