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Old 02-17-2016, 03:20 PM   #8
BFoley
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Join Date: May 2015
Location: Cedar Rapids, IA
Posts: 155
Re: Brockman Mellowtones VS. Flowmaster Super 44's

Quote:
Originally Posted by TJ's Chevy View Post
The 6066 GMC site has some albums of guys who fabricated headers. I don't think they make a very big difference as these motors have low compression and have fairly low flowing heads. Splitting the exhaust and adding more fuel is about the best thing you can do. An HEI helps as well, but my stock points work fine for mine. No cams are available either, you'd have to have yours custom ground.
I think I need to just leave the '66 truck motor stock(ish) and get a second '66 SWB with a big block. One build for speed and one built for pulling out stumps. Definitely think I need to switch out the Mellowtones with the Super 44s. Videos sold me on that...
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'66 GMC K25 (305 V6, SM420) aka "Mabel"
Link to project http://67-72chevytrucks.com/vboard/s...d.php?t=698082

All gone - '66 CJ5, '69 C25, '69 C25 Camper Special, '79 C10 Big Ten/Bonanza, '84 K10 Silverado
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