Video and a question: how's my timing

[TWeatherford]

I just put a rebuilt pump into my truck from Oregon Fuel Injection. Put in 8 new Delphi BB's from them as well. I do want to get it timed professionally, IF I can find a shop with the right tools to do it. I have my doubts on that because not one diesel shop within 50 miles could pop test my injectors.

Anyway, here is the video. http://www.youtube.com/watch?v=9xep3P-sGVA It starts up pretty good I'd say, seems to run pretty strong. Shoots out black smoke when I stomp on it. I have a slight haze at idle. Notice the air filter is not on, since I have the Banks old style unit I kind of want to get timing set decently well before putting that massive airbox back on.

So what do you think? Should I bump it one way or the other or just leave it for now? I will be driving it a few hundred miles before I can get it timed (back to college).

 

[TWeatherford]

Well I ended up backing it off a bit. Now there's not really any smoke at idle. Definitely gets up and goes, lots more kick. I can get black smoke pretty much any time I want. We'll see how it goes set where it is I guess. I'll be curious to see what kind of mileage I get.

 

[david85]

I timed my engine by ear, then by visible smoke at idle and under load, then by fuel economy. Took some time and a few tweaks, but I'm getting good results now.

Recently when I changed the injector pump I had it too far advanced. Power was fine, but it started eating glow plugs.

I'm of the opinion that these engines should produce absolutely no visible smoke at idle when warmed up and timed correctly, unless there are other underlying problems.

Timing it based on how low the exhaust smoke is has always got me good results. Timing based on butt dyno readings usually were not accurate enough to get satisfactory power and fuel economy.

 

[plywood]

Sounded pretty good, but maybe just a tad advanced.

Although it looked like you used the manual GPs for a few seconds so I'm guessing it was not hot.

Was it cold enough for the cold advance to be on?

 

[BigRigTech]

Sounds as good as my 6.9 with a reman 7.3 IP and reman injectors. I advanced mine a little less than the thickness of the static timing line on the pump. Mine smokes under moderate to heavy throttle - more than my old 7.3 ever has but it pulls good so I'm happy. I might try backing the timing off a touch to see if the truck runs any different. I have manual GP's too so I want to check them in a week or two to see if it is using them up....My truck starts great - hardly any burn time on the GP's and it fires right up. I don't have my cold advance or fast idle hooked up right now because the thermo switch in the head is bad and I haven't had time to change it.

 

[plywood]

I don't have my cold advance or fast idle hooked up right now because the thermo switch in the head is bad and I haven't had time to change it.

Better off without it IMO, just put your high idle on a switch and disconnect the cold advance.

 

[TWeatherford]

I guess I should have mentioned that it was cold and the cold advance was on. I'd only run the truck about 2 minutes after priming it before taking the video. With my adjusted setting I get no smoke at idle even when cold, or warm. Seems to run great with way better power than I've ever had before. I plan on watching my glowplugs and adjusting accordingly.

 

[Sycostang67]

If it doesn't smoke constantly and doesn't knock real bad then I would guess you'd be ok for awhile. I noticed when my timing was too far advanced that it would knock real bad and smoke constantly while driving but not idling. To retarded and I got constant smoke idling but it cleared up while driving.

 

[icanfixall]

That sounded great to me. I understand a cold starting motor but.... Don't be running the motor down the road without the turbo hat connected. Any dirt sucked into the motor is a bad thing. Was this viedo down on diesel or wvo...

 

[TWeatherford]

That sounded great to me. I understand a cold starting motor but.... Don't be running the motor down the road without the turbo hat connected. Any dirt sucked into the motor is a bad thing. Was this viedo down on diesel or wvo...

Oh yeah, I really don't like starting it at all without an air filter in place, but anyone that has installed a banks old style airbox knows it is a royal pain, about a 30 minute struggle for me. Definitely didn't drive it that way. And this was done on diesel, I never run WVO until up to full operating temperature.