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Old 02-09-2019, 04:49 PM   #1
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Join Date: Oct 2016
Location: Dallas Texas
Posts: 1,333
Are these BBC manifolds rare?

Just discovered that my take off exhaust manifolds may be a bit rare. I actually posted them for sale on this board this morning and then quickly deleted the post once I uncovered this little nugget of info.

What are your guys thoughts on this? I've got a pair as follows:

BBC cast manifolds w/o smog ports.
3916178 RH date code: I 14 7
3914613 LH date code: I 12 7

These are late 1967 castings of 68-70 casting numbers for 396/427 manifolds. On Jan 10th this year, a guy on ebay sold an almost identical set, with the only difference being his date codes were K 6 7 and K 8 7, for 600 bucks.

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67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi
07 335 sport turbo 6sp
94 Trans Am GT LT1 6sp posi -- sold after 22yrs
99 540 sport V8 6sp -- sold
73 240z L24 4sp -- given to friend
68 C10 step 350/350 3.73 open -- sold
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Old 02-09-2019, 05:04 PM   #2
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Join Date: May 2004
Location: Binghamton, NY
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Re: Are these BBC manifolds rare?

They look like the ones that I had on my car. Motor was a mid 80s 454. But if someone is looking for date codes they might be.
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Old 02-09-2019, 08:31 PM   #3
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Location: horseheads,ny rust belt
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Re: Are these BBC manifolds rare?

date code is a big price point .

those are emissions manifolds just not drilled/tapped . notice the bumps .

good non cracked gm manifolds are better than chine repop crap units .
77-k30lb BIG truck build .
87-k30lb budget beater build .
85-k30lb the plow machine build .
85-c10sb summer fun toy .
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Old 02-11-2019, 02:51 PM   #4
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Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 2,891
Re: Are these BBC manifolds rare?

nothing special. now if they were the early BB vett ones with the correct numbers, then yes. They are repoded now.
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1961 chevy K10

my build is------------61K10 build
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