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I was only ever talking about turning the fuel down/air up incrimentally. Other users have used even more 2 cycle without the level of smoke I'm experiencing. I doubt the ip has ever been rebuilt. I've already determined from what other users have described that my truck is smoking a little too...

The thread got derailed some time ago. Started as a "Is this amount of smoke normal" thread (to which the answer is no) and turned into an anger and rage debate over fuel additives somehow. The only reason ip settings came up was so I knew how to tinker with it as a last resort. Far as I'm...

That seems more or less how it smokes under medium/heavy acceleration. But it sounds like your motor is a good 1000 rpm higher in the mud pit than mine is accelerating on asphalt.

Thanks for the useful info all. I checked out the 6.2 motor technical manual before posting, and that detailed every little thing EXCEPT ip settings. For things related to the ip the manual very quickly said "send it off to stanadyne for tuning" Definitely gonna take baby steps with any...

Whoa whoa whoa there. I don't think you're understanding what I'm getting at at all. I'm trying to learn how to adjust the motor to run the way it did from the factory and not spew excessive black smoke in the event all easier methods others suggested fail. I'm not interested in hot rodding it...

Whoooops.. the thing I was talking about is actually the fuel delivery adjustment inside the ip, not timing. The video I watched referred to it as timing for some reason. If I were to adjust fuel delivery, which way would I need to turn the screw to make it run more lean?

I totally get that haha, not trying to make it something it's not. Just wanted to make sure mine is running correctly so nothing gets worn out or god forbid burnt out before it's time. My concern is exhaust gas temps.

Hard to say. It was bought from the govt in 2010 with 36k miles, was barely driven, then ended up (unfortunately) having a plow attached to the front 3 years ago to plow a used car lot. Other than the last guy replacing worn out rubber items and alternators I don't think it got molested at all...

Hey thanks! Yeah the air filter seems almost new. I also heard that replacing fuel filters might make a difference as well. I'll have to play around with a few things now that I know that much smoking isn't normal on these. Thanks for the answers all! This has been helpful.

Yeah I looked around a lot on the 2 cycle topic before actually doing it, most everyone had only positive things to say about using it with the 6.2. My M1009 still only has the stock dummy lights, a proper temp gauge is high on my list of things to do though. So I'm not sure what the temps are...

Hey there! Just took the plunge into the military vehicle world last week, and so far it's been interesting. My 86 has documented 38k miles, and no apparent issues other than some surface rust on the frame and minor non-drivetrain annoyances. Motor seems smooth, and looks great all around...