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Thanks Chris! Hopefully I don't have to make an offset key.

Doesn't say you have to, but seems to assume that you will.

Different location than your pic, but not centered between the roots of the teeth either.

Trying to squeeze more fuel out of my pump at high rpm, and having the complete fuel system ready when I have a bigger pump built.

Look what my son got me for Christmas!

Thinking of mounting this gadget right here. Since an AirDog requires them to be run on the "return to tank" line, I have a problem. I don't want to run a boost referenced line all the way to the back of the cab. I certainly don't want the regulator and sending unit exposed to all the road...

The turbo has a big effect on fuel mileage. The closer to zero boost at cruising speed, the better economy will be. Like Chris said, timing is very important. I run mine a little lazy to protect the head gaskets at lower rpm. Climbing mountains or running in FL also affects mileage significantly.

You have much more self control than me! I've driven from Miles City to Billings. Anything under 80 is DANGEROUS!

See where the valves kissed the pistons? Loose timing chain?

These are Optimizer heads, aren't they? What egt do you see on a hard pull?

Got my Glowshift fuel pressure gauge mounted above the climate control.

In all fairness to the Optimizer, that thing has held a lot of power for a long time.

Oh no, Nate! Which turbo is that, the 18cm hx40?

Austrian firm AVL designed the 6.7. Ford does claim "in house", but the truth is the the Duramax was more "in house" because GM owned 80% of Isuzu's truck division at the time. The 7.3 is a great motor.

I installed a Bean Diesel fuel sump to feed the AirDog. 1/2" line from tank to IP. Also calibrated tach.

For those of you who know, is that the most common failure point (before 2nd main) on these crankshafts, or is it completely random? I apologize for the derailment! @SnowDrift , nice find!

I have a short marked off strip for acceleration to test changes (I am WAY rural). I also have my choice of small, steep mountains to climb to get out of the valley that I live in. Load up the gooseneck with a known load and see how she does.

Finally put her away for the winter. Got the ZR2 back on the road after 18-19 months.

Does the 40 cetane rating have anything to do with it? Unlike 51 minimum in Germany.

I like yours better. Wouldn't be afraid to use it for what Ford intended! (Maybe a little)