The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1970 c10 350 dies as soon as i hit 40 mph

garyd1961 · 03-07-2019, 09:24 PM

Could be a crack in your fuel line sucking air. I had it happen to me once on a 69 442. It would run fine at low speeds but if I brought it off the line it would go 3 or 4 car lengths and cut out.

03-07-2019, 09:24 PM	#6
garyd1961 Registered User Join Date: May 2016 Location: Henderson NC Posts: 975	Re: 1970 c10 350 dies as soon as i hit 40 mph Could be a crack in your fuel line sucking air. I had it happen to me once on a 69 442. It would run fine at low speeds but if I brought it off the line it would go 3 or 4 car lengths and cut out.