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Engine Specific Tech
96-04 - 2V Specific
Anybody hand-port their NPI heads?
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<blockquote data-quote="OLD H2S" data-source="post: 1361318" data-attributes="member: 20979"><p>I looked at the photo that 96BLAK54 put up dated 11-16 and could see the restriction he was talking about 1" down in the port, I could not get my first 2 fingers into it. I cut out the "tear drop" and turned the port more into a rectangle like the PI head shape. In this pic things are starting to get messy and I grabbed the camera before I was completely covered with chips, I can get both fingers down the port. Next I cleaned up the sides with a 1 1/2 long smoothing cutter. Someday I will pull off the heads and get to the bowl area and port these things to the moon. Now to find some GT roller followers and your cam suggestions and I will let you know how it feels. Your advice is welcome, flame on. And 96BLAK54 it's all your fault, thank you.<img src="https://6933.smugmug.com/NPI-Head-Porting/i-h2KwDLd/0/D/IMG_0448-D.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="OLD H2S, post: 1361318, member: 20979"] I looked at the photo that 96BLAK54 put up dated 11-16 and could see the restriction he was talking about 1" down in the port, I could not get my first 2 fingers into it. I cut out the "tear drop" and turned the port more into a rectangle like the PI head shape. In this pic things are starting to get messy and I grabbed the camera before I was completely covered with chips, I can get both fingers down the port. Next I cleaned up the sides with a 1 1/2 long smoothing cutter. Someday I will pull off the heads and get to the bowl area and port these things to the moon. Now to find some GT roller followers and your cam suggestions and I will let you know how it feels. Your advice is welcome, flame on. And 96BLAK54 it's all your fault, thank you.[IMG]https://6933.smugmug.com/NPI-Head-Porting/i-h2KwDLd/0/D/IMG_0448-D.jpg[/IMG] [/QUOTE]
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96-04 - 2V Specific
Anybody hand-port their NPI heads?
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