Reality Check what engine.

[OldBlue4Life]

Originally Posted by rich weyand

If you switch the vacuum advance to the manifold vacuum port and lean out the idle mixture, you will get better gas mileage, a smoother idle, and a stronger off-idle throttle response.

Well this is a cool bit of information, it seems I have mine setup wrong also (may be part of my troubles). So thanks Rich, but may I just ask, if you could please show me where I would want to connect it instead for manifold vacuum on a Holley? I'm still pretty new to this and have no clue where to move it to.

P.S. Sorry to jump into this thread for my own question, but idk where else to find this. Thanks!

[chuckmc8]

Another option would be to buy a wrecked / rusty truck in the same year family as yours that has a good 350 and swap what you need into your truck and sell the residual.
Cheap and easy once you find the donor. HTH

[rich weyand]

Originally Posted by OldBlue4Life

Well this is a cool bit of information, it seems I have mine setup wrong also (may be part of my troubles). So thanks Rich, but may I just ask, if you could please show me where I would want to connect it instead for manifold vacuum on a Holley? I'm still pretty new to this and have no clue where to move it to.

P.S. Sorry to jump into this thread for my own question, but idk where else to find this. Thanks!

I suspect it depends on which Holley, and you don't say.

Here's one example: