The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1971 C-10 knocking sound and not reving past 3000 RPM

AirSpeed · 04-30-2015, 10:35 AM

Sounds like your timing chain and gears could be worn out and it jumped a few teeth. Had it happen myself a couple times and had the same symptoms.

04-30-2015, 10:35 AM	#4
AirSpeed Registered User Join Date: Jul 2007 Location: Fall River California Posts: 2,026	Re: 1971 C-10 knocking sound and not reving past 3000 RPM Sounds like your timing chain and gears could be worn out and it jumped a few teeth. Had it happen myself a couple times and had the same symptoms. __________________ http://smg.photobucket.com/albums/v655/aaronhero/