TwinTurbo.NET: Nissan 300ZX forum - Re: S2z's Heads
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Subject Re: S2z's Heads
     
Posted by S2z on May 10, 2011 at 8:14 PM
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In Reply To I wouldn't dwell too much on intake CFM #s, since posted by LitlElvis on May 10, 2011 at 11:32 AM
     
Message Hey Brett,
Here's some pictures of my heads (taken with my iPhone) although, I'm not real crazy about sharing these photos in GP(sigh):
Photobucket


Here's a better picture of the head:
Photobucket

I'm using OEM Sized valves, and obtained 272 cfm (@ 28"wc) max flow at ~ 8.5 mm valve opening.
All of the Chambers cc'd at 50.0
All of the Intake Ports cc'd at 150.0 cc
All (sans 1) Ehaust Ports cc'd at 86.0 (with 1 at 85.6)

Here's My Test set-up:
Photobucket

The lit indicator light shows when power is applied to the calibrated MAF, The clamp is holding a fixture for my flow-balls, Above the clamp is a Fluke Digital Multimeter to the right of is a daul manometer.

Attached to the head is an Angle with bolt holes tapped to depress the valves, and a port radius block attached to the intake port. Below the radius block you can see the clear Cylinder Bore Simulator.

Inside the cabinet houses the MAF battery and trickle charger, and a machinist box to store custom tools and supplies for porting heads with.
On the RH Cabinet Door is the Vacuum source speed controller.
To the Left of the cabinet is my ccing stand and "burrett".

     
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