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My nickel again.
Every authorative source I have read (they also weren't tring to sell something),says that over 130 hp the type 4 case starts moving around and the heads get so hot as to lose their strength(one might drop a valve seat). Neither one of these conditions contribute to longevity of your motor.
Yeah, 180/200 hp can be had and racers do it. They also carry a spare "hand grenade" in the trailer.
6K will get you a big number on the dyno(all at the top end) and it will do the Baja 1000....once(and still sound like a tractor).
I looked at the pros and cons very carefully (I'm not made of money)and decided to spend the cash on what I concluded was a sure thing(a 911 6) rather than some sales hype.
J P Stein
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