383 Vacuum setup correct? - Team Camaro Tech
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post #1 of 2 (permalink) Old Nov 3rd, 14, 03:52 PM Thread Starter
CC
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Join Date: Apr 2002
Location: Santa Clarita, CA
Posts: 78
383 Vacuum setup correct?

67 Camaro
383 SBC
Comp Cams 280H Cam
HEI ignition
TKO-600 5-speed trans.
Holley 650 DP carb
Edelbrock Intake
4 wheel disc power disk brakes (stock size booster).

Hey guys. I've been having some cooling issues with my 383, and after a ton of reading through the posts, one of the items on my list to check is the vacuum lines and how the vacuum advance is connected (ported VS manifold). I know manifold vacuum source generally is preferred. I was wondering if in general I have everything connected correctly. I've attached a generic Holley carb photo for reference that I found on the internet, (ignore the extra lines). the photo has the vacuum ports in the same location as my carb.

Currently, I have the following connections:

A: Connects to a Tee, one side goes to PCV valve in valve cover. Other side goes to brake booster. (4 wheel disc brakes, brakes have been working perfectly with nice assist)

B: This currently connects directly to HEI vacuum advance.

C: Has a plug on it.

Does this seem like a good/best setup? Thanks!

- Colby
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67 Camaro, 383, TKO-600, 4 wheel disc brakes, black/black
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post #2 of 2 (permalink) Old Nov 3rd, 14, 04:09 PM
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Fred
 
Join Date: Nov 2006
Location: Seabeck WA
Posts: 8,375
Re: 383 Vacuum setup correct?

If it were mine,,,,,,,,,,,
I would loose the Tee. That location is correct for the PCV. But I would tap into the plenum (or a bung location) to provide brake boost.

One owner 69 Camaro,(yep, bought it new
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