vacuum lines [Archive] - Team Camaro Tech

: vacuum lines


maross396
Mar 23rd, 00, 07:17 PM
im sure this is simple for most of you but, where do i hook up the vacuum lines for the carb (holley 750), the tranny (t-400), the ditributor, pcv valve, power brake booster?? thanks for your help..

CarlC
Mar 24th, 00, 04:59 AM
The power brake booser and transmission connect to the intake manifold vacuum port usually located on the #8 intake runner. The power brake has a screw-on connection. The trans line will slip into the same connection and will use a short piece of rubber tubing to seal the connection. If you are running a single-plane manifold this connection may not exist.

PVC should attach to the large vacuum port on the lower rear center of the carb.

The distributor should attach to a timed vacuum port on the carb. No vacuum at idle but increases with engine speed. Usually located on the RH side of the front metering block just above the air adjustment screw.

If you have a Holley electric choke, you will need to run a vacuum line from the ported vacuum connection on the bottom RH corner on the carb to the electric choke. An adapter will be needed since the connetions are different sizes. If you do not have a choke be sure to plug the carb connection.

Be sure to plug all other vacuum ports that are not in use.

Good luck.


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