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Old 08-01-2012, 06:59 PM
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Manifold hood clearance

I have a holley contender right now and it's too tall. I need a low rise but the edelbrock performer is spread bire and my carb is square, soooo i was looking at the new jegs manifolds. JEGS Performance Products 513000 JEGS Champion Series 331 Intake Manifolds
Anyone know the carb pad height of the contender?
The jegs is half and inch taller than the performer i think. Anyone know more about this?

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Old 08-01-2012, 09:52 PM
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It doesn't matter the performer has a spread bore pattern it still has the bolt holes so a holley will bolt right on and all you have to do to use a Holley on a performer intake is use the correct plate and you won't have any sealing problems.
Edelbrock Carb Adapter Plate - JEGS
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Old 08-01-2012, 09:58 PM
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what car? you probabily only need to get the right air cleaner.
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Old 08-01-2012, 10:03 PM
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Its on a 78 firebird.
Sorry, should have specified on the carb. I have an edelbrock performer carb. It's square bore but has the bolt pattern for spread bore too. So if i were to get the performer manifold i was thinking that if i trim the gasket to fit i could use it without an adapter plate?
That's why i was lookimg at the jegs manifold. Since it's already square bore i wont have to worry about adaptors.
I'm very very short on space. I have the smallest air cleaner i can find with the stud trimmed flat against the wing nut and its still not closing even with the hood adjusted all the way up.
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Old 08-01-2012, 10:32 PM
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All you need to do is get the factory OEM GM air cleaner base from a 68 to 72 BBC camaro or corvette.
I have posted on this many many times. You can buy it from Ecklers.
google it.

The air cleaner base looks like this. Refered to as the L-72 or L-88 air cleaner base.

http://www.hotrodders.com/forum/atta...chmentid=26555

You will want to get the edelbrock banjo style fuel fitting and a 1/2" tall edelbrock carb/air cleaner spacer ring.
its a simple Edelbrock black plastic spacer ring.
the air cleaner base Needs minor trimming at the back to clear a HEI distributor. May want to cut off the PCV/breather tube and block the hole. to clear the carb.
Your carb throttle cable linkage bracket may need modifying to sit lower.
Use a 14x3 filter and most 14" cleaner tops are fine. The is the lowest profile air cleaner you will find and the right one for your car with a hi rise manifold.

It will now all fit with room to spare under your firebird hood. with room to spare.

Last edited by F-BIRD'88; 08-01-2012 at 10:38 PM.
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Old 08-02-2012, 05:49 AM
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Thank you much! I'll try to find it.
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