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Interesting!! What for compounds are y'all using? If you care to share..... ;)

You running the stock cam? I would think 280 psi is a bit less than 19-1 compression ratio. Cummins at 17-1 has 350 psi .

No , unfortunately the one's from autozone are barely worth anything. You need something like the tech II or compatable scantool. If i was closer i would gladly come over with a good scanner and help y'all!!

Find someone with a good scantool that can read data . That would be a huge help.

Sounds like it isn't building any pressure. DO NOT attempt to drive it as it will ruin the clutches very fast . First of all check your grounds and make sure they are clean and hooked up. Could well be a wiring problem. Do y'all have access to a scan tool?

Customers keep bringing work in and my engine gets pushed farther into it's little corner. Some days i think about quitting working and go be the people greeter at Walmart.:hello::hello::eek::hihi:

To lump all wastegated turbos with the stock wastegated is utter failure. Properly sized wastegated turbos are much closer to 1-1 drive .....

Any codes?

Since he went from 6.2 to 6.5 there is more airflow and it drives the turbo much better than before.

He got another pump he is working on while driving this one. He needed a vehicle to drive so he just put a pump together that gets him around while working on other stuff.

So ........ Giles big bad overpriced pump puts out how many cc's?

If you don't do a few mods for alternative fuels you will have issues. But after 100,000 miles or more of burning up 100% wmo i have yet to have a problem .... direct or indirect injection.

Get an hx-40, it's better sized for the 6.5s air flow needs ...

With a stock truck, i would run a 16 cm housing.

Won't be any worse than an ateam turbo ........

Cumminsfevers 10 bolt held 500 hp for a long time and still runs fine and gets abused every time it gets run! Thats behind a manual trans that has gotten boost launched more times than we care to remember.

Yep, that's what I'm thinkin, i also want to do some testing with alternative fuels and marine injectors and a pump modified specifically for this engine!

Ahh, not sure I'll get to dyno this engine this month. We've been really busy working in the shop so I've not had time for my own engine to get back together. But once it does run it'll get put on the rollers, then it gets a turbo!

Lower pop pressure doesn't atomize the fuel as well. It tends to prolong the injection event and not burn as complete usually making more smoke ...

Exactly. The pump controls fuel volume ,not the injector.