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Pro's; The power pack heads were a very good flowing head with 2.02" intake valves.
Con's; they are 40yr old technology. Any modern aftermarket head will out perform them.
 

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Discussion Starter · #4 ·
Hey thanks guys, never really liked the idea of having them, but budgets,moving,timing the whole works promoted the use of them temporarily till I get the other bugs worked out. I came up with the same conclusion, but it is always best to ask guys smarter than me.....and this place always has GOOD advice.
Thanks for the response
 
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