Just had the FP gauge installed this past week. 11 PSI Idle, 10 cruising down the freeway. Today I towed my Large LQ horse trailer for the first time and It only pulled it down to 8 PSI up some pretty steep grades in 5th gear 2000-2100 RPM's. I would have thought it would have pulled it down more? I'm a pretty happy camper! Still a little clatter under load until I reach speed but that must be a quirk of my dodge...

 

mine clatters too until the TC locks up under med throttle input.

 

Yea, I posted on here couple times about the clatter. Mine is a 6 speed. Mine does it until I reach 65 MPH or so then seems to quiet down. Or any time I let off the throttle slightly it goes away!

 

Fuel additives will make it clatter if you are running any. That is why I stopped using them.

 

Thanks spooler. I am caught between a rock and a hard place on that one! LOLOL I want to add lubricity but don't want the clatter either. I need to make a run up the central coast this weekend so will not use the additives on my next 2 fill ups and see what happens!