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Anyone have carbureator diagrams? 1978 Chevy Van

Tiny
JOSHBOZZ
  • MEMBER
  • 1978 CHEVROLET VAN
  • 80,000 MILES
I am fixing a Chevy Van 30 Motorhome, year 1978. Currently, most of the problem seems to be of the carburetor. I believe I am missing link between the parts that control the air and fuel ports for opening, on the top of the carburetor (the open and close flaps).

If any could please give a stock diagram or picture(s) of this carburetor, it would be most vital.

thanks for everything
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Thursday, November 17th, 2011 AT 5:43 AM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Which carb do you have? Let me know and then I can check for pictures.
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Thursday, November 17th, 2011 AT 5:47 AM
Tiny
JOSHBOZZ
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  • 2 POSTS
I believe it is the 4BBL Rochester QuadraJet
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Thursday, November 17th, 2011 AT 6:00 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Here is an exploded view. Please only use this as a reference. They would change things. If you need to rebuild it, the part number from the carb will be needed.
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Thursday, November 17th, 2011 AT 6:13 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Good Old Spread Bore, Joe-must be the choke plate and 2ndary air control valve Good Luck
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Thursday, November 17th, 2011 AT 7:55 AM

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