Loses power when downshifts - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Biscuit240 · 02-27-2013, 03:42 PM

Got a 70 c10 With a v8 and an automatic tranny with a new quadrajet and new plugs and wires. Truck runs great until you start climbing a long hill. As soon as I press tge gas to compensate for the lose of speed the truck will downshift but gains no power or speed. In fact the more I let off the gas the more it will accelerate until it up shifts again just to start the process all over again.
Any ideas?

Thanks
Biscuit
Posted via Mobile Device

02-27-2013, 03:42 PM	#1
Biscuit240 Registered User Join Date: Feb 2013 Location: Knoxville tn Posts: 28	Loses power when downshifts Got a 70 c10 With a v8 and an automatic tranny with a new quadrajet and new plugs and wires. Truck runs great until you start climbing a long hill. As soon as I press tge gas to compensate for the lose of speed the truck will downshift but gains no power or speed. In fact the more I let off the gas the more it will accelerate until it up shifts again just to start the process all over again. Any ideas? Thanks Biscuit Posted via Mobile Device



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