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Original Message
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RE: Billet rocker stands, driprails and why now |
By Barry R - 06/18/2004 9:53:31 AM; IP 192.55.140.2 |
Flat ain't the issue - - its an angle problem.
Clean the intake and heads off until they're perfect with no residue. Gently lay the intake on the block with a penny in each corner on the "China wall" of the block where the end seals go (to simulate the seal thickness). Use a feeler gauge to measure the distance between the head's intake surface and the intake itself. I'll bet ya a set of Print o Seals that the measurement is much tighter at the lower edge of the port than it is at the top.
This happens because the heads and or block have been machined in the past without trueing the intake surface. Every time the head or block deck get cut, the head's intake surface's get a little closer together, tightening up the included angle. Write down your measurements and taek the intake to a good machine shop where they will fix it in short order. |
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