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Old Sun, November 22nd, 2009, 10:28 PM
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Quote:
Originally Posted by 907dave View Post
And the plot thickens

Would just increasing the ICP be enough to get better MPG's, or should it be accompanied with a slight increase in SOI?

I understand lowering the fuel limit stuff, but trying to understand how to make the engine more efficient on its own, without my negative influence.

The egg might not be a bad idea tho......

Grrr....damn touch screen, gotta be careful around these things.
Just increasing the Desired ICP table does little. It's a function of MFD and RPM. So.....

What I said before about a balancing act with the MFD map becomes a little more clear.

Yes, the Desired ICP map can be increased in those areas where you wish for a little more efficiency. Before you get too excited about asking for 1500 PSI where there was previously 700, there will be a point where it becomes a bear to drive; we don't want that. Also the benefits will start to diminish at some point.

On a side note, those ICP-fooling devices like the Workhorse module and Edge Juice actually DO work. They command an increase in ICP and mileage does go up. They wreak havoc on the HPOP, but they do give you a decent power increase with some mileage if driven decently.

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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
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