I LIKE THE "HIGH RISE", (CERTAINLY WILL NOT CLEAR ENGINE COVERS), SINGLE PLANUM AIR GAP MANIFOLDS. CHECK OUT THE P.I. MOTORSPORTS STORE THEY HAVE SOME, I BELIEVE THEIR "AUSTRALIAN" MADE. AND A DISCOUNT TO CLUB MEMBERS ($425). ONE HAS DRILLABLE BUNGS FOR ADDING INJECTERS FOR FUEL OR NITROS OXIDE. BEST OF ALL IS THE FORD HIGH PERFORMANCE PARTS CATALOGE, THERE IS MAYBE 7-8 MANIFOLDS IN THERE WITH A GREAT DISCRIPTION/SPECIFICATION OF EACH. AS FOR THE PERFORMANCE BOOST? MOST CERTAINLY!!! BUT AT A MUCH HIGHER RPM BAND, AND LESS DOWN BELOW, OR NOT MUCH IDLE CAPABLILTY AT ALL! AS THESE ARE RACING MANIFOLDS. REGARDS, MARLIN.
[This message has been edited by MARLIN JACK (edited 06-06-2002).]