TwinTurbo.NET: Nissan 300ZX forum - Heads...
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Subject Heads...
     
Posted by Shawn300zTT GT28R MD on March 12, 2006 at 3:14 AM
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Message I will be porting my heads... Just a light porting, nothign crazy, just opening up the runners a bit..
I will be running the GT2871 garret turbos.. n20 on occasion.
I have JWT 400+ cams
The exhaust valves will be INCONEL.
I will be using Ti-retainers.
Should I use....

Choices
  1. stock sized valves with JWT/JUN valve springs
  2. .5 mm oversized with JWT/JUN valve springs
  3. 1.0 mm oversized with JWT/JUN valve springs
  4. .5mm oversized with Dual Coil valve springs
  5. 1.0 mm oversized valves with Dual coil valve springs
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