Frankenstein heads

[Performance nut]

Anyone seen data on what Frankenstein ported heads will add power wise? I'm thinking it's probably all top end gain with bottom end loss which means it will pair well with a CJ and high RPM cams. Though it's a guess since I've never seen anyone dyno a heads only swap. The Gen3 engine shootout promised it but never delivered (did intake, cams, and porting TB/IM).

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[myfast70]

Do you by chance have a link to that Gen 3 shootout? I've tried searching but no luck. Thx!

 

[robvas]

There are some tests out there. Not of that exact head but you shouldn't lose any power down low. That's kind of a myth.

How much hp are you looking for? Those things can't be cheap.

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