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Engine vacuum diagram for a 1974 Corvette 350cu

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  • paul_jl Sep 19, 2011

    I am looking for the engine vacuum diagram for a 1974 Chevrolet Corvette with a 350cu engine

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  • Chevrolet Master
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Hi, I'm giving you a number of diagrams that each show some of the systems. I could not find a single diagram that shows everything. Please let me know if there is anything you have that is not included in these diagrams.

evap system:
engine vacuum diagram for a - jturcotte_2291.gif



EGR, EFE, and vacuum advance. Note: your car may not have EFE.

jturcotte_2293.gif



EGR, and vacuum advance--no EFE.
jturcotte_2294.gif

engine vacuum diagram for a - jturcotte_2295.gif />jturcotte_2295.gif

PCV system:
engine


Thermac system:

jturcotte_2297.gif



EGR only:
jturcotte_2292.gif

Posted on Sep 19, 2011

  • Jeffrey Turcotte
    Jeffrey Turcotte Sep 19, 2011

    here is a photo that may help.



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  • Chevrolet Master
  • 17,970 Answers

I just find some diagrams (clikc over image for zoom)....


engine vacuum diagram for a - zjlimited_1881.jpg

Fig. 11: 1972 vapor control vacuum hose routing-350 engine shown

zjlimited_1878.jpg

Fig. 13: 1976 350 engine vacuum hose routing-4-bbl. carbureted with EFE and air injection


zjlimited_1879.jpg

Fig. 14: 1976 350 engine vacuum hose routing-4-bbl. carbureted without EFE or air injection


zjlimited_1880.jpg

Fig. 15: 1976 350 engine vacuum hose routing-with fuel injection


Hope this helps to solve it; keep us updated.

Posted on Sep 19, 2011

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zjlimited_1418.jpg

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zjlimited_1417.jpg

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