Mechanical wastegate control
After experiments with different springs connected by fence wire to the front panel, I made this afternoon a permanent system. It as a parking brake return spring from something. The photos don't show it well, but has a lever so that the adjustment is up high to make it easy to adjust. If anyone wants a really good photo of it, I'll remove it to take the shot. I am trying to cancel this as the photos are too big will re take them tomorrow. Ok one was accepted.
1994 6.5 turbo GMC K2500 HD suburban "F" VIN FSD heat sync #9 resistor, PMD in the bumper, no cat, mechanical waste gate, 220,000 miles, 4L80E Positrac 3.73 diff, 17 mpg highway.
1982 4x4 shortbed 6.2 Chev 260,000 miles untouched motor 17 MPG 4.27 diff. Best thing I ever owned, 21 years.