The V8 Owners Forum -

Posted: **Thu Jun 03, 2010 8:24 pm**

Hi,im running a holley 600 vac secondries on my chevy v8,how do i know if the secondries are coming in?,sorry first engine with a holley!

Posted: **Fri Jun 04, 2010 7:22 am**

I can usualy tell by how quickly the fuel tank empties!

Posted: **Fri Jun 04, 2010 10:20 am**

Hi
find the port that feeds the secondarys activation gubbins, botton of the carb, stick a bit of tube on the end of it (sealing it all around) and suck, while looking down the secondary venturies. . er suck it and see . . simples.
Mike