Message: 12 Date: Wed, 2 Apr 2003 03:20:49 EST From: O2BAGPz@xxxx Subject: Re: Intake / Exhaust 6 Manifolds Upgrade Boy I sure am glad that J.C. "Whiplash" still sells a 4bbl intake for my ole Chevy straight 6! Dana aka orphanautos - . - 4bbl. For AMC inline 6 engines : Use the 1981 - 1986 AMC 6 water heated / cooled Aluminum Alloy Intake Manifold . Get the 4bbl. to 2bbl. Intake Adapter for $14.00 from Mr. Gasket . Get a Holley 390cfm 4bbl. carb & hook up. The Top Moab Jeep Race Engine Builders prefer this set up - must have something to it.........? The Modded Stock AMC intake is Better than the Clifford 4 bbl. $$$ unit for Street Use . The Clifford Plenum is slow to respond in street use - since it is very large to supply mixture at High RPM - Racing for the most part . The 2bbl. AMC intake opening acts as a Venturi - when placed under a 4bbl. adapter - a Venturi effect is something Cylinder Head Porting Firms build into Flowed Street Heads as well as Racing Units. You get this capacity from a Stock AMC Intake. AMC spent a lot of $$ on its' development. Run the same year stock exhaust manifold - or go with a Header - take a look at Borla Stainless Steel . As to the Chevy StoveBolt - ask Bart . Brien. "milners-coupe" new york