Hughes Engines Tech Center: Do Factory Manifolds Fit Edelbrock Heads?



Intake and exhaust manifolds might be the hardest part of any super dedicated sleeper build. After all, headers are pretty hard to hide with a fat set of tubes snaking their way around either side of an engine. The additional power they provide can’t be argued, but some prefer a subtle stock look and will put aside a few ponies to achieve it.

Big block Edelbrock cylinder heads, on the other hand, are easily concealed in a cloak of orange or turquoise paint, making them a grocery-getter’s favorite. Because of the aluminum’s unassuming look, they’re a perfect match with a set of Chrysler-created high-performance manifolds from Year One when a faux factory appearance is absolutely essential.

The question is always in regards to fit. Since the Edelbrock/log manifold combo isn’t as popular, those that prefer it are usually left guessing. Hughes Engines is here to quell the questioning and waylay the worries with straight facts:

“We get questions every once in a while asking if the factory HP exhaust manifolds will fit on the big block Edelbrock RPM heads. Here is a series of photos showing you a set mounted. As you can see they all clear pretty well. The only ones even close are #5 & #7 and they have at least 9/16″ clearance.” – Hughes Engines Tech Center

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Kent Will

Kent grew up in the shop with his old man and his '70 Charger R/T. His first car was a 1969 Super Bee project when Kent was fourteen. That restoration experience lead to pursuing a degree in Mechanical Engineering and a career in manufacturing. Since then, the garage has expanded to include a '67 Satellite, a '72 Scamp, and a 2010 Mopar '10 Challenger.

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