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Re: Power Drive [message #327192 is a reply to message #327191]

Sat, 16 December 2017 22:52

bwevers

Messages: 597
Registered: October 2010
Location: San Jose

Karma:

Senior Member

Sounds like you have a good set-up.
Most people prefer final drive ratios between 3.50 and 3.70.
The power drive is equivalent to having 3.50.
The 3.21 will bump it up to 3.66 equivalent.

With the 3.07 gears, the carburetor power enrichment circuit
kicks in a lot because of the low manifold vacuum.

Bill Wevers GMC49ers, GMC Western States 1975 Glenbrook - Manny Powerdrive, OneTon 455 F Block, G heads San Jose

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[Message index]

		Power Drive By: NextGenGMC on Sat, 16 December 2017 22:20
		Re: Power Drive By: bwevers on Sat, 16 December 2017 22:52
		Re: [GMCnet] Power Drive By: James Hupy on Sat, 16 December 2017 23:26
		Re: [GMCnet] Power Drive By: jimk on Sun, 17 December 2017 00:05
		Re: [GMCnet] Power Drive By: NextGenGMC on Sun, 17 December 2017 01:02
		Re: [GMCnet] Power Drive By: johnd01 on Sun, 17 December 2017 03:29
		Re: Power Drive By: NextGenGMC on Sun, 17 December 2017 00:55
		Re: [GMCnet] Power Drive By: Ken Henderson on Sun, 17 December 2017 09:52
		Re: Power Drive By: Matt Colie on Sun, 17 December 2017 10:02
		Re: Power Drive By: NextGenGMC on Sun, 17 December 2017 20:44
		Re: [GMCnet] Power Drive By: James Hupy on Sun, 17 December 2017 20:48
		Re: [GMCnet] Power Drive By: Ken Henderson on Sun, 17 December 2017 20:56
		Re: [GMCnet] Power Drive By: Richard Denney on Sun, 17 December 2017 22:24
		Re: [GMCnet] Power Drive By: Kingsley Coach on Sun, 17 December 2017 23:14
		Re: [GMCnet] Power Drive By: James Hupy on Sun, 17 December 2017 23:22
		Re: [GMCnet] Power Drive By: Kingsley Coach on Sun, 17 December 2017 23:19
		Re: [GMCnet] Power Drive By: NextGenGMC on Mon, 18 December 2017 12:01
		Re: [GMCnet] Power Drive By: Kingsley Coach on Mon, 18 December 2017 15:26
		Re: [GMCnet] Power Drive By: USAussie on Sun, 17 December 2017 23:30
		Re: [GMCnet] Power Drive By: Carl S. on Mon, 18 December 2017 19:38
		Re: [GMCnet] Power Drive By: NextGenGMC on Mon, 18 December 2017 22:24
		Re: [GMCnet] Power Drive By: USAussie on Tue, 19 December 2017 00:15
		Re: [GMCnet] Power Drive By: Richard Denney on Tue, 19 December 2017 07:34
		Re: [GMCnet] Power Drive By: NextGenGMC on Tue, 19 December 2017 09:53
		Re: [GMCnet] Power Drive By: James Hupy on Tue, 19 December 2017 10:26
		Re: Power Drive By: bwevers on Tue, 19 December 2017 17:39
		Re: [GMCnet] Power Drive By: Ken Henderson on Tue, 19 December 2017 17:48

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