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  • Users: racear
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  1. racear

    I port/polish heads for high perfor

    I port/polish heads for high performance engines. At present I use a pitot tube to map a port in the head. Sometimes the tube causes problem in checkin. Im wondering if there is a way of using a bare resistance wire and induce voltage and measure how quickly the wire cools or something similar...
  2. racear

    Automotive Hone Machine

    I am in the process of designing/building a automotive cylinder bore honing machine for myself. The one thing that I would like to incorporate is measuring of the bore on the fly. I really dont care about size, I am looking at bore shape. Yes I know I could use a incometer, maybe a topometer but...
  3. racear

    Measuring rotating Force

    I am attempting to build a machine to hone the cylinders of a automobile engine. I need to be able to measure the force required to hone that cylinder. I want to be able to measure the force as it travels up and down in each cylinder so that I can determine the tight spot. I tried to measure in...
  4. racear

    Percent Load Meter

    I have a Automotive Honing machine equipped with a analog Percent current load meter. I only use from 65% to 75% in my honing, therefore I need to expand that resolution so that I have a meter that has a larger resolution just in the area I am operating in. I am needing some one that has...
  5. racear

    Reading Wise Band O2 sensors

    Hey Fellows I want to install 8 wide band O2 sensors on my headers on my dynamometer. I have a data acq card installed in the PC with 12 channels but I do not know how to read the sensors and how to calibrate each one even if I can read them. I need any help to get me started. thanks racear
  6. racear

    Cylinder Hone head needed

    I have an older vertical automotive cylinder hone. I really prefer the vertical to some out today. The hone head is an older Sunnen AN model as is quite worn out. I know that in the past few years new technology has come forward to better round out cylinder bore. I would love to build or maybe...
  7. racear

    Diy crankshaft balancer

    I finally got around to building the automotive crankshaft balancer that I discussed in thread71-55369. Am using two piezos to get my readings. will be doing in Visual Basic. Am getting noise and can't filter out. Have heard of Fourier but do not know how to use the calculations or if there is...
  8. racear

    Build digital readout

    Have crankshaft grinder that just lost Trak digital readout. Company said no longer serviced. Need to build a 8 inch travel DRO. Thought about using digital caliper with RS232 readout but don't know about software. All I want to measure is Y axis. Any suggestions offered wold be more than...
  9. racear

    Cooling Tower for water dyno

    Have a water brake dyno. Want to consider reusing the water as it comes out of brake. Temp is approximately 150 degrees. Need to cool down to under 100 degrees. Any suggestions on how (I) can build some sort of cooling tower to transfer heat out and reuse the water. thanks
  10. racear

    diy crankshaft balancer

    Want to build a crankshaft balancer. Been reading up on dual plane dynamic balancing. Looks like I will need to use piezo accelerometers or ?. What kind of software will be needed. What kind of dac card? I know(too many questions not enough answers). Any help and all help would be appreciated.

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