Header Help - Chevelle Tech
Headers and Exhaust Discussion related to Exhaust systems and headers.

 
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post #1 of 3 (permalink) Old Mar 23rd, 20, 1:20 PM Thread Starter
KMR
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Kevin
 
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Location: Rockland County, NY
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Header Help

I am in the market for new headers on my 71 Convertible 400 sbc. I am looking at Hedman headers (68290) and curious if anyone has any experience with these on a small block. Any other recommendation based on experience would be appreciated.

1971 Chevelle Malibu Convertible
Dark Green Metalic, Pearl stripes, Black Top
400 sbc, TH350, Posi w/ 3.55's

Murphy's Law always prevails.........
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post #2 of 3 (permalink) Old Mar 23rd, 20, 3:00 PM
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I bought Hedman Elites (69 396) based off input here and couldn’t be happier ! Used furnished gaskets and header bolts. Perfect fit, not a single “hammered clearance dent”, thick flanges and 14 ga pipes.

Only issue, if you like to uncap headers is the doughnut collectors which can’t be opened easily....but, while closed, provides a better seal.
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post #3 of 3 (permalink) Old Mar 25th, 20, 11:12 PM
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John
 
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I'm not sure of the part number, but I have the elite version of those same headers on the 406 in my 70. They clear everything just fine. I had to move the brake line in the passenger side frame about a quarter of an inch to clear, but that's it. I have a 4 speed and they clear all of the linkage, including the back drive linkage. I've had them 10 years and the factory coating was starting to flake, so I had Jet Hot coat them this winter. Also, the 3/8" flange on the elite headers is worth the extra money.
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