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Me too.
So do you remember what the number the 350 button was?
I looked at that rear fuel rail port... If I remember correctly I thought it was a tough access due to the firewall being too close. For me it was more trouble than it was worth (dual feed). Then I have been know to be lazy...
I am using the #20 button. Never tried my 17. The slow-to-return-to-idle was indeed the gauge, specifically the air in the line to cab. The air would compress as fuel pressure builds then expand when you get out of the throttle, pushing extra fuel into the injectors. The issue went away after I...
Thanks for asking. Installed button #20. Easy job thru the starter access panel. Seems stronger, better thru mid range... Makes about 2psi more at higher rpm, maybe 18psi at redline. Not much smoke. Probably could have done #17.
Fuel rail pressure is 225psi at WOT at 2100rpm. EGT seems about...
Progress report- Here are some pictures of the button and associated parts. There is a small washer (not shown) in the cyl. for the end of the small spring. My button is a 27. It is the correct ones according to the calibration code on tag on the top of pump. The local Cummins dealer had some...
Power is good.
Yes it is turbocharged. Why is that important? I have low EGT and want to increase the power, maybe 10-20%. If I add fuel the boost, charge air temp and EGT will all go up. I feel it can easily tolerate another 200*F.
TM 9-2320-260-34-1 page 5-1 said I have a PT and AFC...
I think not. The no load governed speed is supposed to be 2400rpm. Under load it's currently 2200, though I have only gone that high a couple times to check it. I think the pressure drop is the response to me backing off the throttle so I don't get to many rpms.
Me too
That's helpful.
What is this restrictor plate?
What can be done with it?
What is an AF screw?
What is that throttle shaft screw used for?
I'm still at a loss for determining if my fuel pressure is off. 50psi is a long way from 170. Do I look at the gauge while I drive it?
I dunno. I'm still not sure how to test the rail pressure. Maybe it has to be done on the test stand.
I plan to change the button next. Lance R sent me this link. AWOL member Joethemechanic's interesting post #5.
http://www.steelsoldiers.com/5-ton-up/12861-m818-questions-new-member.html
The screw behind the hole in throttle shaft (after the metal ball is removed)
I should point out, as will Wagner states above, that the directions below are wrong (clockwise should be counter clockwise)
No, it has a turbo. Makes 16psi at 2000rpm (6psi under no load/test conditions). It runs low EGT so it can take more fuel.
I have been turning the screw counter clockwise.
Starts and runs nice. I find it hard to believe it can run nice on the 10psi indicated (or 5.8% of normal). The gauge is...
I turned up my M813 PT pump a second time (1-1/4 total). I have a fuel press gauge on this unused plug (see arrow). I'm getting only 50psi when I go wot to 2100, no load. When I get to 2100 it drops quickly to 10psi. I must be doing something wrong.
Can the recommended 172-178 psi rail pressure...