MadCow
Well-Known Member
"New" is relative I suppose. The 05 motors got 3V heads but other than the heads and upper end to go with them the motors were the same as the previous 2V motors. Pistons may have been different for clearance. The 4V went from B heads to C heads and had a few thread and coolant revisions. Shorts blocks all stayed pretty much the same with the exception of the 03-04 Cobra rods and pistons and manual trans 4Vs got forged cranks. The 5.4 pretty much followed the same path with the GT and GT500 getting different rods and aluminum blocks in some years but everything else was pretty much the same. Even though the GT had the 5.4 like other Ford products they didn't share any parts except the crankshaft and maybe some minor parts like bearings or something. But they were still the same platform. Even the coyote shows a lot of mod motor roots. Its more of a drastic evolution of the modular motor and the voodoo a minor evolution of that. I consider the 6.2 a completely "new" clean sheet design engine. I'm not disagreeing, just putting things into perspective.That is a good point, I didn't consider that as I was focusing on just the mustangs recent lineage. 04 to 05 new v8 engine, 10 to 11 new v8 engine. Kinda figured the next Gen would get a new engine based off that since the s550 did not.
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