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11-22-2018, 11:47 PM | #1 |
Registered User
Join Date: Mar 2014
Location: Mt Dora FL
Posts: 68
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headers for big blocks
Anybody with a big block running headers?
I am about to purchase a set of marine big blocks. I know it will bolt right in but the exhaust may pose a challenge. Any suggestions for headers? Truck is an 87 short bed, lowered, with a SBC and muncie m20. Thanks |
11-23-2018, 03:26 AM | #2 |
78 Big10 454
Join Date: Jul 2008
Location: Pismo Beach, CA
Posts: 839
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Re: headers for big blocks
I've had the same set of Hedman headers in my BB for well over 25 years with absolutely no issues. Installation was a snap and maintenance has been zero.
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1978 Chevy SWB C-10 2WD 454/400 |
11-23-2018, 06:42 AM | #3 |
F’B’D guy
Join Date: Feb 2004
Location: Texas/Maine
Posts: 2,234
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Re: headers for big blocks
I also have headman’s, actually have 2 sets on two differnt big block trucks. I wouldn’t use any other brand.
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11-23-2018, 12:15 PM | #4 |
Registered User
Join Date: Jan 2011
Location: Coastal NC
Posts: 276
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Re: headers for big blocks
I bought a used set of Doug Thorley Tri-Ys off of eBay 8 years ago for my C20 454. They've worked great for years, no issues whatsoever. I just welded bungs in them and sandblasted them down to bare metal to recoat them for my 8.1L swap. Date code on them was May 1992. That's impressive for a header, especially one that's been treated the way these have for the last decade. There's some pitting, but nothing that won't last for years more service. Advantage: 14 gauge header tubes.
Added benefit, they have great clearance all the way around even with a manual trans.
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86 Chevrolet K20/30 Suburban - 8.1/NV4500/NP205/Dana 60/14 bolt FF, build in progress 73 Formula - 400/Doug Nash 4+1, resto on hold 86 Chevrolet K30 3+3 - 350/TH400/NP241, Air Force/Forest Service Rescue Truck, for sale 01 Ram 2500 - 5.9L Magnum, daily driver 91 BMW 325i - Chumpcar series racecar |
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