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Thread: 502 Dyno run results

  1. #1
    widowmaker
    I finally got around to getting the data from my dyno run onto my computer.
    Big Thanks to Chris Straub for the camshaft and valvetrain, not to mention his time. Also to Lance Patton at Racing Carburation.
    This is a ZZ502 bottom end with a Jesel belt drive, solid roller cam, 9.2 to 1 compression, AFR heads, Wieand Tunnel ram, Dual 750 carb from Lance Patton.
    Final results were 712 hp and 646 ft/lbs tq.
    http://i166.photobucket.com/albums/u...ynoPics004.jpg
    http://i166.photobucket.com/albums/u.../dynorun-1.jpg

  2. #2
    JAY4SPEED
    Nice numbers! Which AFR heads are those?
    Jay

  3. #3
    widowmaker
    Nice numbers! Which AFR heads are those?
    Jay
    the 305's with cnc option, milled down to 114cc chambers

  4. #4
    JAY4SPEED
    the 305's with cnc option, milled down to 114cc chambers
    Thanks. Great job on the engine!
    Jay

  5. #5
    Senior Member
    Join Date
    Mar 2010
    Posts
    883
    Widow,
    It was a pleasure working with you. I look forward to the "winter" project.

  6. #6
    RCB19
    Widow nice numbers for a low 9's motor. Sounds like your gonna stuff new slugs in that thing this winter.

  7. #7
    Jetaholic
    Not meaning to throw wrenches in the spokes of the wheel here but...
    Those curves look a little misplaced on the graph. Where torque and HP meet, shouldn't that point be on 5,252 on the graph?

  8. #8
    cruser
    The curve are plotted on the same graph but use a different scale for each. the Torque curve is plotted using the y-axis on the left side of the graph, the Hp is plotted against the y-axis on the right side of the graph.

  9. #9
    Sleeper CP
    Not meaning to throw wrenches in the spokes of the wheel here but...
    Those curves look a little misplaced on the graph. Where torque and HP meet, shouldn't that point be on 5,252 on the graph?
    It takes alittle work on your part, but once you look at the two scales the numbers match at 5252. It would be easier if they were on the same scale.
    Sleeper CP
    Big Inch Ford Lover

  10. #10
    widowmaker
    Widow nice numbers for a low 9's motor. Sounds like your gonna stuff new slugs in that thing this winter.

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