I don't have enough back pressure from my exhaust to open my ports. My ports open at 3 psi with a guage I used today. On the car my gauge read 3 psi if I gunned it in first. The other gears stay in gear a little longer and it jsut doesn't have enough for me free flowing exhaust. I was thinking of cutting off before where the small pipe is and routing it directly into the pipe without having the whole thing waste air pushing it into the check valve. Or do I need the check valve to run air into it?

Thanks

 

I don't have enough back pressure from my exhaust to open my ports. My ports open at 3 psi with a guage I used today. On the car my gauge read 3 psi if I gunned it in first. The other gears stay in gear a little longer and it jsut doesn't have enough back pressure with my free flowing exhaust. I was thinking of cutting the pipe off before where the small pipe is and routing teh large one directly into the pipe that opens the ports without having the whole thing waste air pushing it into the check valve. Or do I need the check valve to run air into it for it to run properly?

Thanks

 

See my post HERE

It works like a charm on my '87. Ports open right up at 3500 rpm.

Z