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78zstyle

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Posts posted by 78zstyle

  1. I'm having trouble at low rpm and high boost. Lots of shuddering. Pretty nasty feeling. Feels like it's misfiring. Double checked and redid my flow calculations and I should not be surging, or even close to surging. Not sure what's going on. Spark blowout?

     

    Bedded and tried out the new pads. Seems to bite a lot better.

     

    Painted the VG33 block. Need pistons.

     

    When I had a broken piston, it would shudder at lower rpms.

     

    I drove the piss out of that thing even after breaking said piston. It actually ran pretty good at WOT..

  2.  I decided on a N42 head (ports are gasket matched) on a N42 block with '75 intake and K&N induction, flattop pistons, .485/.270 reground OEM cam with Isky springs, triple grind valves and new Nissan rockers, Pacesetter 6-3-2 ceramic coated header, into a 2.5" MSA exhaust, all on stock EFI. .

     

    Interested to see how this works out..

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