Douger
Well-known member
I see the calculators such as Feldon's which is absolutely great. My question is when the pipe is mentioned are we talking ID or OD. I assume ID but I just want to verify before making a mistake. I can finally see the light at the end of the tunnel on the 120 reverse flow (thanks Scott for your help). Although I like the fabricating, I'm licking my chops in anticipation. UDS is now on the radar.
