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Recent content by W5dart66

  1. W5dart66

    valve seat VS dyno output

    i could not get the pics to show up but link should work.The pictures are of the W5 heads that are on my motor now I ported them 2years ago and Had 45* 30* /radius cut into chamber.I found one strange thing the port did not like any back cut on the valve hut flow every time we tried a back cut...
  2. W5dart66

    valve seat VS dyno output

    I will try this have never posted a pic hear so lets try LOL.http://mediaservice.photoisland.com/auction/Jan/20041256242668652436132.jpg
  3. W5dart66

    valve seat VS dyno output

    I aprceate you sharing what I know is alot of TIME and trial and error.This will give me alot to look at and to do some more testing. Thank you for your Time and Information.Brett miller
  4. W5dart66

    valve seat VS dyno output

    Thank you Larry Meaux for your Input on this.I have used set nascar heads that are going to go on my drag car.I asked the question about the valve seats because Low lift flow is week on the heads (301cfm @ .500 but jump to 345cfm @.600 and peek flow at .800 385cfm) Most of the stuff I have...
  5. W5dart66

    valve seat VS dyno output

    I would like to know if any one has done any dyno testing W/differant seat angles.I have done testing on the flow bench(SF600)W/30* 45*50*and 55*seat angles.I have found the 30*to pick up low lift as would be expected and 50~55 to hurt low lift up to about .500 lift on the intake and not hurt...
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