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I have plastic in my pump and a plastic basket in my strainer and have had no issues on them.

The copper does nothing in the strainer. And I don’t know why. In the summer I grew barnacles on the copper elbows I had in the strainer in less than two weeks QUOTE=AnsleyS;993123]One can also try putting a copper pipe piece or copper elbow etc in the strainer. Copper is less corrosive than...

I put a handful of 1” chlorine tabs in my strainer every two weeks in summer (every 4 to 8 weeks in winter) and far better than keeping the strainer clean - ish they do a great job of cleaning the lines past the pump. I’ve been doing this for about four years and have yet to need to reverse...

I have a gulfstar 43 mki with twin 135 Perkins. On one screw I burn 4gph at 1500 making about seven kts. On two screws at 1500 I make about 8.5 kts and burn 2.5 gph total. With the full keel and locked prop (to prevent tranny damage) I burn almost twice the diesel on one screw as I do two.

Diesel burn I have a 73 Gulfstar 43 with twin Perkins 135s. Running one screw at 1500 I'll get 6-8 kts and burn 3.5 gph. HOWEVER, running two screws, each at 1500, I'll get 8-10 kts and burn 2.5 gph. Yes, I burn less diesel on two screws than I do one... I gave up trying to figure out torque...