Good fitting small tube headers?

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Ernest

G-Body Guru
Apr 28, 2016
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"Obviously a little more bump stick would be nice but no time soon for that".... if you are entertaining the idea of a possible camshaft change to a slightly better one later on, i would think going with the 1 5/8" headers would be the better choice, why choke off any possible HP gain with the smaller tubed headers, plan ahead i say.
 
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LowBridge

Not-quite-so-new-guy
Nov 14, 2022
11
3
3
100 percent aggree on that ~ torn betwwen this just being a 4 door cruiser..... and if that 267 went south someting with some nads would be a much more worthy transplant. But at near 20 mpg she'll serv as a daily driver just fine~ guess im just saying here's some back pressure little mouse ~
 

oldsmobile joe

Royal Smart Person
Nov 12, 2015
2,067
3,053
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i had the hedman headers on a 400 sbc back in the day. the engine rebuilder recommended the headers per their new computer program that had just got and was playing with. never had a problem with them, even wrapped them. fit right in the engine bay with no dents, but they do hang below the frame a bit.
 
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LowBridge

Not-quite-so-new-guy
Nov 14, 2022
11
3
3
i had the hedman headers on a 400 sbc back in the day. the engine rebuilder recommended the headers per their new computer program that had just got and was playing with. never had a problem with them, even wrapped them. fit right in the engine bay with no dents, but they do hang below the frame a bit.
do you recall what the primary size was?
 

oldsmobile joe

Royal Smart Person
Nov 12, 2015
2,067
3,053
113
mpls
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LowBridge

Not-quite-so-new-guy
Nov 14, 2022
11
3
3
Guess I need to just determine if Flowtech or Hedman give better ground clearance or no dif ~
 
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