
Moderators: Greenleaf, KTA, BC847, Richie O
jltait wrote:According to the dodge ram forum: "Advancing the timing will...
Decrease exhaust temperature
Increase cylinder temperatures/pressures
Increase fuel economy (yes, economy is better)
Increase your output of NOx (a pollutant)
Decrease your output of Hydrocarbons (a pollutant)
Increase the amount of black smoke at peak torque
Raising the cylinder temperatures/pressures after already having increased the fueling (as the TST kit does) pushes the engine that much closer to its design limits, but lowering the exhaust temperature helps balance against the increased heat load from the increased fueling."
To add to this: I believe advancing the timing will cause a slight drop in top end power on a turbo cummins. This I believe is caused by the boost loss. since the cylinder temperatures/pressures increase by advancing the timing, and exhaust temperatures decrease reducing turbo boost...IF it were a 6.2 diesel naturally aspirated (which I have more experiece with) advancing timing would improve power overall. If one of the moderators gives me the go ahead to post the link to the dodg ram sight which has the above information I will post it. Being a newbie I did not want to step out of bounds!! They have lots of other timing information in there as well.
Now a question: on the engine information plate, in the timing box lists "TDC 1.25mm" If i remember correctly. Does this mean the amount of fuel which has been injected at TDC in volume . Can someone help me understand that one? Also what does this all mean in *'s BTDC or ABDC?
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