Fuel System & EGT's

[1990350idi]

Ok i have turned up my pump 3 flats. Egts max out at about 950 if i stay on it @ 2500-3000rpm. I have very little to no smoke. I dont care much about smoke but i keep reading threads that indicate smoke when the pump was turned up and it made me curious. Could my timing be that far off? Any other ideas?

 

[Hybrid455]

This might be some of it.

If your in Indiana then you don't have a lot of altitude to deal with and you've got more atmospheric pressure to supply enough air to the combustion chamber and complete the burn of the added fuel.
When I lived in Texas about 800 ft above sea level and had the pump turned up 2 flats it didn't really smoke much under normal conditions. When I moved back to NM and 7000 ft the ol gal would kill some mosquitoes in a hurry. I put a turbo on it and wala, enough air for the burn, very little smoke and lots of power.

 

[Agnem]

How many miles are on your IP? Could just be getting worn out.

 

[1990350idi]

As for the injection pump i dont really know. I assume it is original and the truck has just over 109,000. What i dont understand is that if the injection pump is going bad why are egt's so high? Wouldnt that indicate it is getting enough fuel?

 

[IH_444]

Wouldnt that indicate it is getting enough fuel?

It should. I would say your air filter is plugged, since lack of air = higher EGT. But if that were the case it should smoke more.

 

[1990350idi]

Nope, air filter is brand new. no soup bowl and homemade cold air intake. It actually dropped egts 100-200 degrees.

 

[dyoung14]

Nope, air filter is brand new. no soup bowl and homemade cold air intake. It actually dropped egts 100-200 degrees.

are you saying 950 degree egts is hot?

 

[1990350idi]

Considering its below freezing and i'm not pulling a trailer or anything, yea i think it is a little. By the time summer gets here and i start pulling trailers loaded down with hay that number will increase dramaticly.

 

[dyoung14]

Considering its below freezing and i'm not pulling a trailer or anything, yea i think it is a little. By the time summer gets here and i start pulling trailers loaded down with hay that number will increase dramaticly.[/QUOTE/]

i dont think thats hot at all,