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Yet another ploy at getting this thread to become a sticky. No love from the moderator(s)?

The EGT is pre-turbine in the exhaust manifold. I need to read the manual further. I'm not following the procedure you speak of (and has been mentioned before). Do I apply the brakes while driving down the road and hold the RPM at 2400? Things get busy at 2400 in 4th with 53's. :tank:

Does your fuel pump look like mine in the video? If it does, it's a "G Code". :D

This time I'm bumping the thread to the top to check on something... What's the most boost pressure you guys run on a M35A2 with a C turbo (aka whistler) when you turn your G Code pump up? Although I'm at 11psi right now and never hitting above 1100F on the EGT, I'm going to bump the fuel...

Bump to the top for others to see.

This injection pump adjusting is getting confusing to say the least. So far I've adjusted the jam nuts to 1 full turn (8 flats) + 2 more flats. This got me to 10-11psi max, 950F max EGT. The truck is responding very well to the new fuel. I can now keep up with traffic pretty well. The...

Bump to the top near sticky threads. :D

Fortunately for me there are no steep grades around here other than the Mississippi River bridge. My test loop consists of long interstate runs including many long overpasses, city traffic, and a 4-lane highway with a 65mph speed limit. No issues whatsoever with load. I don't tow anything...

I don't follow you on the no load comment. Are you talking about towing a trailer or going up steep grades? I sped up the video during disassembly and reassembly because it would have made the video that much longer.

Anybody else adjusted one of these pumps? My truck seems to be a 1 psi boost gain per flat on the jam nuts. I'm continuing to make adjustments, so 5-6 flats should get me 12 psi. It's raining today, but 4 flats have helped me get to 10 psi and well below 1200F.

I put together a video on turning the fuel up on a M35A2 equipped with a "G Code" injection pump. This type of pump doesn't have a FDC (fuel density compensator) that is adjusted on the outside. Instead, a cover is removed over the governor and 2 nuts are adjusted between a bridge plate that...