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Nice any idea what it came off of or a part number???

If I understand it correctly, we have limited options on how high the engines will rev. Governor springs and valve spring float. So yes we all have Defueling, that is what the governor springs do. Without defueling (properly working Governor springs) the engines would rev until something...

Simple way to understand governor springs is that the more tension is on the springs (whether it is from adjusting the stock springs or installing aftermarket springs) the higher rpm the engine will rev to before it begins to remove fuel in order to control the max rpm of the engine. Governor...

as requested this is my "Package" including the my "Special Tool" all sockets are craftsman and can be purchased individually if you want build yourself a kit.. Start from left to right: 14mm 6-point 1/4 drive with the drive end drilled out just large enough for a 1/4 drive extension to...

Some pumps have a different nut in place of the 10mm I made this tool from a socket and just cut down the sides to make a spanner socket.. Edit this 2nd photo is of the more common locking 10mm nut...

Lets start off with Welcome to the Website and Texas. So your question, Upgrades above turning up fuel include Larger Turbo, Larger Injectors, modified intake tubing(air cleaners), exhaust upgrades (Straight Pipes) and larger tubing, Inner cooler,after cooler upgrades (anything to cool the...

Cummins brochure attached This is also a good link to the 8.3cta specific models http://www.sbmar.com/articles/the_cummins_6cta_8.3_marine_engine_story

Marine engines (as in Boats) have the highest Hp and Torque ratings. They have a unique advantage of an endless supply of cool water for both the innercooler/aftercooler and engine coolant systems.

There are some post on here where people have used scoops on the inlet tubes. I am not sure on the brand but they looked pretty good and are designed to add air flow and still not suck in water..

I did say it was fresh from DRMO (GL) as far as condition, but we did service it and have over 600 miles (half of that were towing another M923) and 2 plus full tanks of fuel run through it before these modification. The truck is mechanical sound it just had the typical sluggish nature of the...

So I had to jump in an join the group... We started with a M923a2 Turd (by the term "Turd" as we got it from Auction the idle was set around 400rpms in gear and was very slow at accelerating from a dead stop and idle) The truck is completely as it came from DRMO stock exhaust/air inlet/air...