few corrections there though.. don't think Honda pioneered the Variable valve timing/butterfly vavle opening additional path to the manifold concept as many other companies including Toyota with VVTL Treunos, Ferrari, Mitsu with the Evo 1, and even BMW with VANOS concepts all had done it around the same time... and of course, 1 caveat... your 400hp H22's are of course either 1) running NOS, 2) turbo'ed/sc'ed 3) highly built motors running standalone computers such as the DFI's, motecs, or haltechs...
not knocking on hondas as I have toyed around many moons ago (way before your time) having had a built B18C turbo'ed and NOS'ed CRX.
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Originally Posted by vinuneuro
Remember that the older Honda engines, esp theNSX, pioneered a lot of new automotive technology:
-Variable Valve Timing
-Variable Length Intake Manifold
-FRM cylinder sleeves: Fiber Reinforced Material= allowed much thinner sleeves allowing less space between cylinders= smaller block= less weight, etc
-First all aluinum body/frame in a production vehicle
In terms of Preludes, its not uncommon to see h22's making 400+w hp, 350w lbstq. Honda cylinder heads flow unbelievably, very efficient.
Remember that the NSX debut'ed in 91 and the Prelude with the h22 in 92(93 in US). Stock Prelude puts out 200hp,160lbs. Not bad for a NA 4cyl made in 92 huh?
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