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  • Users: dicer
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  1. dicer

    BSFC and RPM's

    I hope Catservice engineer reads this one. A genset would be the best because of steady load to do a comparison. Older Cat diesel engines where rated at pretty low rpms, since the low rpms represent lower air volume per unit time thus lower fuel flow. I would like to know how the economy of...
  2. dicer

    Are they going to regulate chlorina

    Are they going to regulate chlorinated paraffin's out of existence? And if so what does the industry have for replacements?
  3. dicer

    So what is with the dog clutch transmissions?

    And how many of the future multi speed automatic transmissions in planning stages have the planetary and clutch packs that has been around for the last 60 plus years?
  4. dicer

    Polymers in multi viscosity motor oils.

    They are used in a base oil weight to increase viscosity as the temperature warms up. So what exactly is this polymer, is it a plastic or ? And does it have any lubricating properties, in stand alone conditions?
  5. dicer

    So what ever happened to this transmission?

    Seems like another goofy idea that will not hold up. http://www.overdriveonline.com/allison-to-produce-gearless-transmissions/
  6. dicer

    Modern Engine sludging problems.

    With the advent of full synthetic motor oils why is it such an issue. Is there anyone here that has dealt with any sort of study of this problem, in any of the large auto manufactures labs? I've seen various photo's and articles on the net that show some problems with sludge that even the old...
  7. dicer

    Test instrument question

    What is a good spectrum analyzer to use for mechanical test? And also some ideas for transducers.
  8. dicer

    Friction shims

    https://www.youtube.com/watch?v=WLK8hVFetZg I am at a loss of words, is this really the state of art now? I have read that there are some cam shaft sprockets that are just held with one bolt and just depend on friction to hold location, is that true? Oh and there is no use of the shims in the...
  9. dicer

    One size fits all Automatic Transmission fluid

    Just wondering why a reputable transmission shop would use non manufacture approved fluid, just because the container says it meets the spec? And we all know that the Fluid manufacture will not cover any damage to the transmission, nor will the shop after a month or so.
  10. dicer

    ECU repair tools?

    Where to get simulator and technical info to do ecu repairs? And not ebay or something from overseas that has no warranty.
  11. dicer

    HP requirements for super sonic

    Yes not thrust. Approximate HP required for old planes like the F104 star fighter and F16 to maintain super sonic speeds? And curious about the difference of drag coefficients between the two.
  12. dicer

    Air flow devices

    An auto manufacture calls the induction air metering device an AIR FLOW METER, it works on the Carmen vortex principle. An other manufacture calls the induction air metering device a MASS AIR FLOW SENSOR, it works on the hot wire principle. Other than how they function what do they measure that...
  13. dicer

    Worried about airbags

    Is there any possibility for the propellant in the airbag inflator to spontaneously go off with out an igniter? I have read of instances where they have suddenly deployed. I have a few old cars and not sure I can trust the airbags, especially with all the latest recalls.
  14. dicer

    Question about jack points

    I guess its the little things that get to me at times. Spent sometime searching the net about jack points. I just find it funny, sad or ? That so many cars have rocker panel pinch welds as designated jack points, that is an engineering fumble that is just asking for trouble IMO. Since the...
  15. dicer

    Vehicle Telematics

    In light of the latest 60 minutes show. What is the state of the art in vehicle telematics and obd2 bidirectional control? Is it now called obd3 ?
  16. dicer

    Air bags SRS

    I would like to know if cars from the early 90's have ones that could have the same problems that are now so prevalent in the news? If the deploy devices are so dangerous why weren't they encased in something like Kevlar? After doing an internet study airbags seem more dangerous than I would...
  17. dicer

    Automotive paint question

    What is a good way to determine porosity of dried paint? I have seen many cars with pimples in paint caused by entrapped water, either from the painting system or not properly dried water based paint, or from car covers that maintain moisture. I do not know what kind of paint or clear coat was...
  18. dicer

    Any light codes anywhere?

    Back in the day I thought DOT had candle power rules as well as SAE limits. So what happened? New car led tail lights are so blinding I either need to shield my eyes or wear sunglasses that don't help. Personally I feel super bright lights are a hazard.
  19. dicer

    Strobe lights question

    I have done lots of searching. Where can I purchase a decent hand held strobe light that has variable frequency adjustment? Are there any distributors in the US that sell them?
  20. dicer

    Ball joints and separation

    Was working on an LS400 1990 vintage, studying the front suspension I was surprised at the design of the lower control arm and the way the ball joint is loaded. I think there are other brands that do the same as well. Personally I think its asking for trouble, all the weight and road shock...

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