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08-10-2016, 03:22 PM | #1 |
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Who can identify this Intake Manifold?
Hey guys, I picked up this SBC intake manifold for $30 to swap my 327's Rochester 2jet to a 4bbl. Most of the factory cast iron manifolds I've seen have had 2 small ports and 2 large ports. This has 4 large ports. I've tried to google the casting numbers with no luck. What do I have? Also, I have a quadrajet carb, but the mounting holes on the baseplate don't match the mounting holes on the intake. The carb is too narrow left to right. I think it was on a BBC boat motor. Any help there? I have a lead on a edelbrock 600cfm, but wanted to make sure I don't have some strange manifold. Thanks guys!
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08-10-2016, 03:24 PM | #2 |
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Re: Who can identify this Intake Manifold?
Here is the pic of manifold showing casting number 8872788 then below GM3T
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08-10-2016, 04:01 PM | #3 |
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Re: Who can identify this Intake Manifold?
Not for exact ID but it's an early (pre-1968) engine with the road-draft breather system and the front oil-fill / breather. Being square bore and not a Q-jet intake,, I'd suspect an application that came the the Holley like the L79, DZ and other HiPerf motors. BUT that's a guess on application. I believe some of the trucks 327's came with a Carter quad
Hopefully others can expand on that.
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Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral. |
08-10-2016, 04:03 PM | #4 |
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Re: Who can identify this Intake Manifold?
This should help http://www.ebay.com/itm/1966-1967-Ch...NTRKPk&vxp=mtr
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08-10-2016, 04:09 PM | #5 |
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Re: Who can identify this Intake Manifold?
Your casting number is 3872783 and is a 1966 327 275HP Impala, Chevelle Nova and 1966-1967 Corvette 300HP for Carter 4 barrel and Holley carburetor only . Some of these intakes had a large H cast into them
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08-10-2016, 06:18 PM | #6 |
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Re: Who can identify this Intake Manifold?
Thanks for the help guys. I do see the 3 now on each end. So will the edelbrock not work on this? I'm sure there's an adapter? There looks to be two threaded holes just inside of the FWD holes in the groove.
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08-10-2016, 06:43 PM | #7 |
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Re: Who can identify this Intake Manifold?
Edelbrock is a squarebore like the Holley and Carter. It will 'bolt on' . Work.... that's another question. I've had 4 of the Edelbroke versions of the AFB and never had any luck with a one of them. Be sure you have a fuel regulator even with a stock fuel pump. The Edelbrocks will push past the needle and seat and run pig-phat rich at 5.5psi of fuel pressure. Read your manual CAREFULLY
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Still playin with trucks, even at my age! When you're dead, it's only a problem for the people around you, because you don't know you're dead. .....It's kinda the same when your STUPID. I just did my taxes and reviewed my SS statement. Thanks to the current administration it looks like I will only have to work till noon on the day of my funeral. |
08-11-2016, 10:53 AM | #8 |
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Re: Who can identify this Intake Manifold?
Like the others have said it came with an AFB on it. You see also that there is a heat riser channel under the carb mounting pad, it takes a stainless steel plate over that. I think the order is manifold, gasket, plate & then the carb right against the plate, no gasket. Never was the best setup, weather changes caused vacuum leaks.
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08-11-2016, 12:23 PM | #9 |
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Re: Who can identify this Intake Manifold?
didn't the 300hp take the afb and the 250hp the rochester 4gc series. I think the 275 hp(66) used the R quadrajet,
ron |
08-11-2016, 02:12 PM | #10 | |
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Re: Who can identify this Intake Manifold?
Quote:
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IS IT an EATON or Chevrolet rear axle https://67-72chevytrucks.com/vboard/...d.php?t=843778 The hubcap thread http://67-72chevytrucks.com/vboard/s...d.php?t=702839 WANTED : 1963-1966 6 Cylinder Fan Shroud WANTED :1964-1966 PANEL TRUCK |
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08-11-2016, 02:51 PM | #11 |
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Re: Who can identify this Intake Manifold?
Jon as I said the 300 hp used the afb and the 250 used the 4gc neither of these engines were used in 66. in this context I was referring to an earlier post of using an AFB. in 66 there was also a 230hp 327 which may have used the 4tgc. the 275hp did use 3 different carbs as you have listed
I do have a intake here and a 4gc, off a 250 hp but don't feel like ging into the pile to pull the intake for the # ron |
08-12-2016, 07:54 AM | #12 |
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Re: Who can identify this Intake Manifold?
Thanks for all the awesome info guys. So it sounds like I should be looking for a carter or Holley. You guys have any PN's or model numbers and CFM I should be looking for? Especially in the Holley, it looks like there are a lot of options. I was wanting to stay in the 600-650 cfm range to avoid over fueling the 327. Any thoughts? Thanks guys! Maybe one of you have one laying around, or know someone that does
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08-12-2016, 11:16 AM | #13 |
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Re: Who can identify this Intake Manifold?
I don't think a Holley will fit that manifold CORRECTLY & the reason I say that is because of that heat riser. I have NEVER seen a Holley iron manifold with two size bores on it & never seen one that had a heat riser with the stainless steel plate under it. But I have been wrong before, it happens quite often! I think I have one of those in the barn & if I can find it I will see if a Holley will drop over the studs & how it fits this weekend.
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08-12-2016, 02:59 PM | #14 | |
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Quote:
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1969 c-10 Step Side Long Bed. I-6 250cid = = 1969 Pontiac GTO hard top. 400, 4-speed. |
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08-12-2016, 04:46 PM | #15 |
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Re: Who can identify this Intake Manifold?
I remember helping one of my schoolmates with the same thing on the 327 in his '56 Chevy, we used a tube of "Liquid Metal". Filled in the whole slot. Ah, the good ole days!
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