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hi this is what i have edelbrock rpm manafold& carburetor with stock hood on a sb 71 vett. tryed a edelbrock drop base air cleaner didnt work. also a mr gasket low rider with two inch filter no luck with that. is there someone running this set up where the the hood will close. thanks
I managed to squeeze the Edelbrock rpm airgap vortec manifold under my stock 68 sb bonnet.... with a drop base and 1.5" filter.
It worked ... just, but top end power was restricted for my 383....
so now I have an L88 bulge.
I used K&N's 7/8" drop base with a 2" K&N filter with the RPM AirGap and it fit with a .5" clearance in my 69 with the small block hood. I don't have a choke... I think thats a must if you want to have that large of a drop base...
I will also say I tried both of those bases... the 1.25" base fit better under my hood.. however when I tightened down the air cleaner top it was so low that it interfered with the throttle lever on the carb (BG 750 Double Pumper)... The 7/8" base did not which is why I had to go with it... It may be different with other carbs....
I used a Performer manifold with a drop base air cleaner and a 2" element and that has about 3/4" hood clearance.
I had the same problem with this setup and went with the drop base and 2 inch filter. This also worked for mine but had to reshape the base a little at the choke to clear the automatic choke housing.
Hey Pete I Called Moroso Today They Said The Filter Seats 2 1/2 Inches Above The Carburator Top Or Lip. Seams Like A Lot To Me. Seams Like It Shood Sit 2 1/2 Below The Top Or Lip That Would Work For Me.