well if the opinion on the longer lasting, better designed engine than the Mr sparkle is on the right track but if the argument is about cheap power than i think SSbaby has the arguement won.
The main thing though is that IF GM used an OHC design on the LS7, it would have been a way better motor than it already is. more responsive, more power, possibly longer life .etc.
If using pushrods to keep the cost down and power up than it is ok, but i think in the next few years GM will have to build a hi-po OHC v8.0
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