The kd4crs/Power Hungry/Gotts Mod (revisited - and with pictures)

[Jim Allen]

One difference in my Land Rover example was that the trumpet was right at the end of a cylindrical filter housing with a cylindrical filter element inside. The trumpet was fairly close to the filter and not far away from the intake plenum itself. I think that scenario would be HIGHLY sensitive to any changes, where a change at the end of a system with such large interior volume would be far less sensitive to changes at the inlet.

As to the power increase, that's very telling if it was on a chassis dyno. If you can pull that much power out consistently over the margins for error that seem constant in a chassis dyno, you are doing good! What I wonder is whether what Bill tested was the J&J design, or the Agent Orange unit that eliminated the expansion chamber? Bill???

Like I said, I am willing to flow bench these mods. Can use my old housing and you guys can send the rest of the modified stuff to try. Before we start exchanging addresses, however, I'll have to make sure I can borrow the flow bench and a competent operator for a coupla hours.