Well, you actually can bolt LS heads to a Windsor block. Do a search, guys do it.
Also, there is nothing new under the sun when it comes to engines. BBC's, BBF's and Clevelands all share the same design architecture. When Chevy decided to start with a clean slate, look at the design characteristics that they implemented: same bore spacing as a Ford, similar valve angles, valve sizes, port CSA, and exhaust layout. (Chevy switched from having the middle two exhaust pipes close to each other, to spacing it out like a Ford. They also changed to a Ford style
oil pump, among other things.) There are only so many ways to design an engine, but Chevy copied a lot of Ford ideas on the LS. Actually, you can convert an LS to distributor ignition and guess what you use.......an MSD Ford 302 distributor.
As for superior engine designs, what are you basing your decision on? Horsepower? Surely not, because there are many naturally aspirated SBF's, Clevelands, BBF's, etc., than can easily match the horsepower and efficiency that an LS can. I'm not sure where the idea that the LS is such a brain child came from, because none of the engine builders I know just don't share that same idea.....??????
As far as Modular Fords go, the Mods have been out since 1996. A factory aluminum 4.6L DOHC block will take 1000 hp without batting an eyelash. They are bulletproof as far as I'm concerned. As for how many 4.6's I see windowed in the junkyards, to be honest, I've seen zero. The 5.4's are known for poor piston quench and poor spark plug design, but the 4.6's and 5.0's have been out for a very long time and are very proven.
I've quoted numbers, taken straight from the manufacturers' websites. I guess that's not enough argument that the Ford engines will make horsepower easier.
A 1.2 hp/ci engine (referring to that 6.2L LS) is not hard to duplicate. FE's are certainly not the epitome of big horsepower, but if I couldn't duplicate that with a Windsor or Cleveland, I'd give up engine building. Saying an engine has had durability or longevity since 1997 makes me laugh out loud.....because SBF's have been doing that since the late 60's.
Nice try, but no cigar sir. As far as I'm concerned, if your GM fact quotes are anything like your math, I'm unimpressed....LOL
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