Question about Chevrolet Corvette

Engine vacuum diagram for a 1974 Corvette 350cu

paul_jl Sep 19, 2011

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

2 Answers

Jeffrey Turcotte

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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:

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

EGR, and vacuum advance--no Eengine vacuum diagram for a - jturcotte_2294.gif"/uploads/images/jturcotte_2294.gif" alt="jturcotte_2294.gif" class="h_engine vacuum diagram for a - jturcotte_2295.gif
top view:
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PCV system:

Thermac system:

EGR only:

Posted on Sep 19, 2011

Jeffrey Turcotte Sep 19, 2011

here is a photo that may help.

here is a photo that may help.

ZJ Limited

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Chevrolet Master
17,970 Answers

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

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

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

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

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

ZJ Limited Sep 19, 2011

Confirm this previous details in the corvette_manual_repair.pdf

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