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Old 02-06-08, 10:52 AM   #11 (permalink)
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Gary Kadrmas
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Join Date: Sep 2006
Location: Oregon, USA
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Re: Intake Plenum for a 260Z

Ron,

Have you looked at the Group 44 Datsuns air induction plumbing?

It seems to me they used an air box, and plumbed the ductwork from the carbs back to the leading edge of the windshield using the existing chamber where the heater/defroster box is located. This is the same tech fabrication that the Boss 302 Mustangs used in Trans-Am Racing.

I may be thinking of a local Datsun 240Z racer rather than Group 44......but I do remember the box/chamber set up, and he said it really helped with midrange RPMs.

Regardless, I hope you get something in place to give you a slight edge in HP, and good luck with your next upcoming race!!!!
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Owner of CSX-2075 for over 30 years, and wanting a GT40 for over 20 years
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