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TurboKraft TurboKraft is offline
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Join Date: Mar 2005
Location: Phoenix, AZ
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More recent 3.3L we tuned, stock internals with port & polish + cams:

Taking the EFI Plunge

Note: Kelly has the same GSF headers and while the wastegate has a 12psi/0.8bar spring, the boost creeps up to 18psi by peak rpm because of their design. Still, at 18psi that engine makes 540rwhp on pump gas with a conservative tune!
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Old 05-23-2012, 01:50 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #18 (permalink)