A big benefit of the charger is that it boosts the torque at the lower end of the rev range. A nasp engine on TBs and cams will need revs to make the power and may well lose some torque over the standard engine at low revs.
Depends what kind of driving you do as to which is best. A charged engine (super or turbo) will be easier to drive more quickly, but probably not as full-on as a high revving nasp. I guess the same argument as Honda VTEC engines - brilliant when you're really on it, but slow off-cam.
I'll get my 250bhp nasp engine finished one day and see how it drives!
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My beloved ZT 190 has now gone.....Still got GTM Spyder 2.5 KV6, GTM Spyder 2.7 Twin Turbo (Audi engine project), Subaru Legacy 3.0R Spec-B
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