Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Wild Frankenstein of a Crew Cab

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Old 12-03-2023, 12:08 PM
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Default Wild Frankenstein of a Crew Cab

Greetings, recently been given the green light to start this journey of building a forever truck. Been in the Jeep scene for years and now it’s time to get back to the full-size truck game.

Starting out with a 2003 F350 CCSB and blown engine, I want to build up a reliable daily driven overland/tow/ranch rig. Here’s where the questions start:

I already have a stroked LS that’s been built undersquare like the Olds 455 of yesteryear. Turbo’d pushing 8-12 psi and almost 750ft lb.

Is it possible to use the factory 6.8 pcm with a custom harness to control the LS? Cam and crank position sensors as far as signal from reluctor wheels compatible? I already have the HP tuners software to further tune.

I would just use a standalone, but I’m keeping the 5r110 and ABS so using a factory pcm would be great. Anyone have experience with engine swaps and getting the electronics to play nice? Thank you in advance.
Old 12-06-2023, 10:23 AM
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You want the Ford PCM to run the LS?...You're going to need more than HP Tuners!!
Old 12-06-2023, 10:35 AM
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Electronically, Ford and GM don't speak the same language. That's a no-go.
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