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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> intake manifold help id
Post Info TOPIC: intake manifold help id
flatop


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intake manifold help id
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i cant find the number for this manifold any

where. Date code is  K 6 7.  so im thinking 1967  

# is            3746833

                   GM   2

             XF-1028

                                                  Thanks  Percy         PICS  ADDED NOW

 

 it is a 4 bbl with 4 small holes

 

 



-- Edited by flatop on Wednesday 26th of August 2020 01:49:30 PM



-- Edited by flatop on Thursday 27th of August 2020 02:12:19 PM

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cranks38


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I can't find a match for your casting#, but the first three digits (374) say 1957.

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flatop


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IMG_3436.JPGIMG_3434 (1).JPG



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flatop


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Thanks for that,iwas guessing 60,s but i guess its 50,s

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cranks38


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I'll be damned if I can find that casting# ??? As previously noted, the casting numbers I've found (beginning with the digits 374) speak to 1957 engines.

Back to your date code. K 6 7 says to me - Nov 6 1957. So, I scoured Chevrolet's "Master Parts and Accessories Catalog" and the nearest thing I can find is in the 1958 supplement...

identify 1958 parts list.jpg
I can only surmise, your manifold casting was a revised design of the above #3746829... 

 

ANYBODY ELSE?  

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Prefectca


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Could this be a marine or industrial application? I dont remember seeing that pipe plug on any other manifold of this type. You can see the plug between the heat riser passage and the intake runner, maybe for a crankcase vent or pcv hookup?

Paul

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norontcan


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Couldn't find it in " Chev V-8 Castings Number " book. Only the 2 numbers already given above.

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seventy2plus2


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My guess is that it's from a truck.

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HK1837


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Something from 1958 is my guess. Has to be Saginaw or Tonawanda cast as McKinnon weren't doing 4BBL intakes at that time. Is it an AFB Carter pattern carb?

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flatop


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THe plug is what got my attention when i bought it,that is where the oil returns from the oil filter on a 1955 chev engine,one year only.But that is not the 1955 number.Pics are carb that was with it. TIMG_3454.JPGIMG_3452.JPGIMG_3451.JPGhanks  Percy



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Prefectca


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Interesting about the oil filter return line hookup, I havent seen one before. It is possible that GM used the 265 engines in industrial and marine applications longer than in passenger vehicles. Also I am not sure if the truck engines got the full flow oil filter in 56, it may have been later. Interesting manifold, it would be nice to learn the history of it.

Paul

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67curves


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  This is all I could find on these 2 numbers. 3746826- 265-283  1956 to 1963 2 barrel carb.   3746829-283-327  1957 to 1961 4 barrel aluminum corvette 230 HP with WCFB four barrel.



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dualquadpete


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I'm confused!!!Oil filter picture is a 2 BBL intake and others are 4 BBl. The 4 BBL carb is not a Carter WCFB but is a Rochester 4 V used up to 64 [ same design as my 64 Chev 409 uses] Could be a truck manifold, & has no provision for choke T/stat spring ,so it used heat tubes to exh. manifold to bring hot air up to choke spring on side of carb. Threaded fitting shown in one of pictures.

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seventy2plus2


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Can someone put the pictures right side up?

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seventy2plus2


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dualquadpete wrote:

I'm confused!!!Oil filter picture is a 2 BBL intake and others are 4 BBl. The 4 BBL carb is not a Carter WCFB but is a Rochester 4 V used up to 64 [ same design as my 64 Chev 409 uses] Could be a truck manifold, & has no provision for choke T/stat spring ,so it used heat tubes to exh. manifold to bring hot air up to choke spring on side of carb. Threaded fitting shown in one of pictures.

 I think he posted the photo of the 2 bbl intake with the remote oil filter as a clue of what the pipe plug might be for.



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67curves


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dualquadpete wrote:

I'm confused!!!Oil filter picture is a 2 BBL intake and others are 4 BBl. The 4 BBL carb is not a Carter WCFB but is a Rochester 4 V used up to 64 [ same design as my 64 Chev 409 uses] Could be a truck manifold, & has no provision for choke T/stat spring ,so it used heat tubes to exh. manifold to bring hot air up to choke spring on side of carb. Threaded fitting shown in one of pictures.

    That's right for the 2 barrel, showing the plug. The picture is a Rochester 4 V.  What the information on intake # 3746829 that is not shown is it was a aluminum corvette that came with  a WCFB.carb.  



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Prefectca


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I just got thinking about the bigger trucks in the 50s. If the truck had an air compressor for the brakes maybe the plug would be where the oil for the compressor would return to the engine.

Paul

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HK1837


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I don't think many trucks used 4BBL carbs though. In the GM Tech centre docs for trucks there are some higher performance 4BBL engines but almost always for El Camino. A couple of 4BBL do exist in the later 60's like a 4BBL 327 low comp 240hp L30 in 1968-9, but normally they were 2BBL for more torque.

I wonder if it is off an obscure Marine engine or a Studebaker? McKinnon did make that sort of stuff and did use casting from other foundries if they didn't make them themselves. Although I think al the Studebakers with McKinnon SBC design engines were 2BBL and were black painted.

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cranks38


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seventy2plus2 wrote:

Can someone put the pictures right side up?

 

identify manifold.JPG

 

identify manifold1.JPG



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