1966 cutlass intake manifold

Old November 19th, 2013, 05:38 PM
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1966 cutlass intake manifold

In the middle of rebuilding a 425 500 hp range looking for intake that fits under factory hood. Let me know what you guys have out there. Just heard the edelbrock air gap won't fit.
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Old November 20th, 2013, 06:17 AM
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If you need it to be the same height as stock,then the older Edelbrock O4B would be the one to use. Do you have any room to go up? I know there are plenty of guys with 66/67 cars that are running the Performers,Torkers,and Port-O-Sonics,and have them under a stock hood.
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Old November 20th, 2013, 07:04 AM
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As 507 said, low profile intakes like the Torker will work. Part of the secret is using an air cleaner that "droops" down over the carb to get more hood clearance.
Sam Murray got his 400 into the tens with a stock iron intake; others like Couris/Lattimore and Kaekel have gotten 455s into the tens with stock intakes, all in NHRA stock. So, you don't NEED a special intake for most builds. Aluminum will save around 35 pounds, of course.
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Old November 20th, 2013, 08:09 AM
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You can use a typical 2.5" drop base for the open-element aircleaners.I took one of those,with a small cutoff wheel,and trimmed the inner flange down,then dimpled where the Holley bowl screws are,and clearanced around the linkage,to get it down as far as possible.I used a 3" K&N filter with the matching filter top.My Olds rocket wing nut would rub the bottom of the hood,so it was super close.We are also talking a different car than yours.My 72 with BBO,Torker,1" spacer,and the above-mentioned aircleaner.
There is a base from a 70's corvette,that is made with as much drop as possible,with all of the correct impressions to clear a Holley.I have since purchased one of these,as they are reppoped now.
One important issue that you need to address,when using the drop bases,is the clearance of the underside of the top lid,to the top of the airhorn.You really need a good 1'-1.5" of clearance,to get air into the carb.I had less than that,which I think was hurting it,but I also had the filter top to try & suck air straight down.My 830 Holley was a chokeless race carb,but it still had the airhorn.Milling that down,or completely off would have helped in my situation.I just never did it.

I hope some of this gives you some ideas.
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Old November 20th, 2013, 08:24 AM
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i got a EDL-2151 intake that will fit your motor it was on mine for only a month and then i took it off and went with the polished version of it. i can send it to you for 250 that includes shipping. let me know

peter
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Old November 20th, 2013, 01:42 PM
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thanks for the input guys, this is why enjoy this forum so much
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