[Power Surge]

Originally Posted by MrMagoo

Sorry Sal, I may have stepped beyond my pay grade on this one. I read it in a Holley tuning book, and I will get the quote directly for you and maybe you can straighten me out on this. I try not to play pretend expert but sometimes the desire to be helpful gets you into dangerous territory

I thought maybe you had a brain fart .

The tubes are strictly vents. You can't have pressure equalization between them because the air cleaner is obviously open to atmosphere (otherwise the car wouldn't run). You'd need some kind of sealed enviornment for pressure equalization to occur.

Also, the higher end Holley based carbs with the upgraded needle/seats can handle 8-9 psi.