7.3 with blow by
 

Hello everyone, My ol' girl gettin tired going through about a gallon of oil every oil change :( not much is lost to leakage, my drive way has very little oil on it btw. I'd like some input on a rebuild I'm gett'n ready for. I have a early 99 F-350 w/4r100 my question is how much hp can I get out of it safely and still drive it daily? I.E. parts and mods as far as I know its not a pmr motor but I haven't check yet... I do tow now and then... The only thing I've done to it is a turbo back 4 inch exhaust, edge evolution but I'll be buying a dp tuner with new single shots tho, I have gauges tranny, pryo, and boost. My tranny has been built with a triple lock and other mods for towing as well...

Thank you, Brent

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First question you need to ask yourself is budget...

Then the HP level you would like...

Then the use of the truck...

For a daily driver I would go with AC injectors with 100% nozzles, a 38R or H2e turbo (H2e in your case with the E99 set up...) and drive the hell out of it.

Before you start getting into a new motor I would do a compression check, if its about 360 or so and pretty even, keep driving it.

A gallon of oil every 3-5k is not great, but not that bad, I would check for any leaks, and make sure you dont simply have bad injector O rings that are leaking oil into the fuel system.

hmm seems like alot mine eats about a quart or leaks it thanks to my blubber tube

Thank you for the info...

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all my trucks use about a gallon of oil every 8,000 miles with my 95 uses probably more and has a lot more blow by. i've run it like that for the last 100k and its fine and gets the best fuel milage of all 3 trucks...i'd personally run it til it blows but if you got money to blow, rebuild it!