I have both oil and fuel side mods done to my injectors, and from what i've heard, that's not the problem at all. It's the poppet valve supposedly, can't port that easily, :doh:
SHO stands for Super High Output where we take an injector and add 2 extra oil feed holes in the body, making roughly twice as much oil available to the poppet valve.
Hence my question. I knew it was an injector mod but wasn't sure what it was or did. And nobody really seamed to know either they just always made reference to it.
Some people have taken the approach of making things proprietary information, while others have made their mods public...
Maybe if took all of our "proprietary" and "public" knowledge, and worked together, we would see higher numbers in 2009. OR, we can continue to be secretive and live at 650 HP.
Personally, I don't have as much knowledge about this as much as others, but I am always willing to share what I do know, If it is beneficial to making HP.
Charles I am not sure if it does anygood or not, but I think on the same token we don't know that it doesn't so until someone proves it either way(Which I think a sponsor who does the SHO mod should have some dyno numbers to justify the mod) not just selling the SHO mod w/ a statment that says it makes them fatser!
IIRC you were playing w/ some springs or something at 1 time to get yours quicker. I may be wrong though........since you said yours are stock internals
I don't think there's anything in a 7.3 HEUI that hasn't been massaged one way or another in the course of the 15+ sets I've ran, not even counting the stuff that never made it in the truck.
But in terms of extra oil holes in the body. I'm not buying it. The existing flow paths are more than sufficient.
So these vendors have data that supports a faster injector by dueing this mod? If so why not have someone make the numbers public to show the improvments are what they say.:lookaround:
It depends on the size of your nozzles and the injector itself. I beleive the #'s I saw it mattered much less on Hybrids than it did on B codes. And obviously large nozzles have more to gain as well.
What I dont get however is usually when it's done on B codes the injectors seem to smoke a lot more. Theoretically they should have higher IP at the nozzle tip and should smoke less after programming changes but I haven't seen that happen.
I'd like to hear opinions.
Anyways, when my injectors were "modified" they were crap so the BDs that I just reinstalled (not yet started up, waiting for the turbine housing to come back from the ceramic coater) are all stock w/ smallish EDM nozzles.
Suns On the hybrids that Jim and I tested with a "stock" off the shelf hybrid we lost flow with the SHO mod. Believe it or not. When we went to the 200% over nozzle we gained flow with the SHO mod.
Charles why does Jasons truck need big oil to run a MM injector with a couple of holes added to it?
and how is he able to make the hp numbers that he does on a single turbo?
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