Ford changed again yes. However, This engine is all their baby. I will say this one is by far the best in stock form and does its job best stock. And the new engine has a single turbo with dual compressor wheels so it is the best of both worlds, power of twins but only spooling a single so it is an even better design that the compounds on the 6.4.
The 6.7 spools a lot faster than the 6.4. Ford scaled back the available fuel and air on the 6.7 so it hits a wall around 500rwhp which is a good thing for engine longevity. If you haven't seen the size of the new 6 speed trans you should try to crawl under one and check it out.
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2001 GMC Sierra 2500HD CCSB 4x4 Duramax/Allison
EFI Live/ DSP5 "MAX EFFORT" thanks to Rob Coddens
Built Trans, Bank's Ram Air Intake, Big Head Wastegate, Banks Intercooler, PPE Boost Valve, Ported Intake Horn, Shimmed FPRV, FASS 150 Lift Pump, 40 overs, Optima RedTops,
20" Forged Alluminum WELD's 33's Nitto Trail Grapplers
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