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Canadian Poncho Homepage -> Canadian Poncho -> Canadian Pontiac/Acadian/Beaumont Cars/Parts Wanted -> Anyone have a WCFB four barrel laying around?
Post Info TOPIC: Anyone have a WCFB four barrel laying around?
66 Grande guy


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Anyone have a WCFB four barrel laying around?
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Lately I have a yen to convert my 66 Beaumont 283 2 barrel to a period correct 4 barrel setup. (The L77 option - 220 horse 283)

I have been able to source a really nice stock air cleaner and a manifold but no carb yet. Anybody have one hanging around in the garage from around circa 1964/65  from a 327 or the 283?  I should be  able to buy a kit and redo it if isn't  too bad.

Not sure if it will improve normal drivability as I'm quite happy with the low end torque of the two barrel but it does runout of steam when I pull out to pass so maybe the 4 barrel would help that.

 



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
beaumontguru


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I think you mean Rochester 4gc? If so I have a few you can pick from. I ran a 283 220 hp on my 64 for awhile.

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Prefectca


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I see Rock Auto still lists the old Rochester 4jet for the 1966 Chevelle, no Carter carb though. I believe that the bolt pattern is the same, not sure about the air filter mounting. I have a stock air cleaner for the Rochester 4jet (4gc) I can measure if you like. I dont know which carb is better, I have used both many years ago and didnt have any trouble with either. The biggest problem would be the availability of parts to rebuild these old carbs.

Paul

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r66sd


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Were Rochesters the only carbs used in that 66-67 era on the Chevelle and Beaumonts? I have a Quadra Jet on my 66, and also have a spare completely rebuilt Quadrajet as a spare.

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66 Grande guy


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Thanks guys I haven't seen a setup like that for  quite a few years so I'm not sure of the actual carb. We used to just call them the square box 4 jet.

Nevertheless Dave, if you have a few that would be correct for the 283 four barrel setup I'd be interested in the most rebuildable one you have (for a powerglide if possible)



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
66 Grande guy


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As I understand it quadrajets weren't used on the 283 setups from factory.



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
beaumontguru


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OK,  i will check out what i have,  remind me at the end of the week incase i forget!

no Q-jets on 283 chevelles ever as far as i know.

the L77 was a rochester 4GC,  ya the square box,  looks like 2 2bbls smashed together.



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
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66 Grande guy


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Yeah thats it alright!  Ok let me know if you remember!   If not I will sometime or other.



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
Prefectca


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10526431-685B-4535-9CBB-2758C0085D0C.jpeg

4jet picture from

https://carburetor.ca/kits/ck0030.html



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Prefectca


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Be aware also that the 4jet has a smaller air horn diameter for the air cleaner than a quadrajet or most later model 4 barrel carbs.

Paul

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66 Grande guy


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Thats the one and shiney too!  I have an aircleaner with the smaller than quadrajet opening so should be well on my way! Thanks for the help!



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
Prefectca


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72DDA2FD-222E-41E4-A993-7489486F2BCD.png



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Prefectca


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Auto line is in Winnipeg

https://autoline.ca/



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ROSIES CAR


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AD274194-0971-4263-B344-6FFE9FD03232.jpegIf you need the correct intake this came off a 65



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4SPEED427


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Ken, can you post a picture of the intake you have? A Quadrajet intake is different than a Carter intake which is different than a 4 GC intake!

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
DonSSDD


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Id check a shop manual to see what carb was available on the 283 in that year.

4gcs came on 283s and 327s up to the mid 60s, a 62 250 hp 327 has one, the 327 300 hp had an afb. I only know full size Chevy stuff. 4 gcs came on other gms too, all specd a bit differently. The 4
Low hp 409 had a 4 gc, they are rare and about 650cfm. The 283s were about 450 cfm, the afb in a 300 hp 327 was about 500. The 4 gc base was 2 different sizes, the 409 one had the large base, same size as the afb and I think a Holley too.

The afb uses the same jetting and most other parts of the edlebrock, which it evolved from. You want to match your carb size to your 283, too much carb is worse than not enough. Then find the right intake for whatever carb you get.






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63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.
1963- Pontiac top selling car in Canada

Mahone Bay, NS Still not old enough to need an automatic
seventy2plus2


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4SPEED427 wrote:

Ken, can you post a picture of the intake you have? A Quadrajet intake is different than a Carter intake which is different than a 4 GC intake!

Quadrajet secondaries are much much larger than the primaries.  If I recall, Carter secondaries are the same size as the primaries.   What about the 4 GC carbs?   Are the secondaries just slightly larger than the primaries?



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beaumontguru


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ROSIES CAR wrote:

AD274194-0971-4263-B344-6FFE9FD03232.jpeg

 

This is a proper 4GC intake,   the carbs i have fit this intake.



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
66 Grande guy


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Thanks for  chipping in guys. I'm away from home right now. I haven't actually seen the manifold yet as my buddy just told me he has one locally.  I thought there were just two, the quadrajet and the 4 jet style. He says it's not a quadrajet so given the new info I wont know for sure until i see it on Thursday on my way home. 

All i can say is stand by and thanks.



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
4SPEED427


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This is the Carter intake. I don't think I need to post a Q jet intake pic, we all know what they look like!

t2.jpg



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
DonSSDD


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The 4gc has a smaller and larger bore size, you should measure the bores to match them to the carb bores. By eyeball, they look the same.

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63 Parisienne sport coupe (The Big GTO), black, maroon interior, 409 4 speed; former owner of a 59 El Camino, 63 Corvette SWC, 62 Chev Bel Air SC.
1963- Pontiac top selling car in Canada

Mahone Bay, NS Still not old enough to need an automatic
beaumontguru


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DonSSDD wrote:

The 4gc has a smaller and larger bore size, you should measure the bores to match them to the carb bores. By eyeball, they look the same.

 I never knew that,  i thought all 4GC stuff was the same size,  will have to go measure mine



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Beaumontguru

MY BEAUMONT HAS 4 STUDDED TIRES AND 2 BLOCKHEATERS......AND LOTS OF OIL UNDERNEATH.  The other one has a longer roof.
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
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Cheviac


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Google says this one is 1965 300hp 327. I notice it does have larger rear holes.intake 003.JPG



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4SPEED427


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Yes, lots of people aren't aware that the Carter on the 327's was actually technically a "spread bore", just not so pronounced as a Q-jet.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
4SPEED427


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beaumontguru wrote:
DonSSDD wrote:

The 4gc has a smaller and larger bore size, you should measure the bores to match them to the carb bores. By eyeball, they look the same.

 I never knew that,  i thought all 4GC stuff was the same size,  will have to go measure mine

 Put me in the "I learned something new today" club also!



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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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