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[GMCnet] Anyone put an aluminum intake manifold on a 403 [message #311796]

Tue, 03 January 2017 12:02

Advanced Concept Ener

Messages: 112
Registered: December 2014

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Senior Member

In 1991 I put a an Edlebrock intake manifold and torquer cam, headers and 3" exhaust and Holly FI on my 78 Royale with 403. The difference was amazing. No more vapor lock, great throttle response. Had to build a 2-3" dog house. Installed a low profile scoop and remote 4" filter. The following year they offer O2 feedback that I promptly installed. Had original 3:08 gears. Got as good a 11 mpg on flat runs.

Jon Darcy ACES
North Jersey 76 stretch, flares, 4 bag, Alcoa's, bunkhouse,MAC Dash,Manny Trans, FiTech FI,Honda 6010

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		[GMCnet] Anyone put an aluminum intake manifold on a 403 By: Advanced Concept Ener on Tue, 03 January 2017 12:02
		Re: [GMCnet] Anyone put an aluminum intake manifold on a 403 By: jimk on Tue, 03 January 2017 21:45

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