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  1. supraguy@aol

    Piston decision.....

    And what rods/ pistons are you running?
  2. supraguy@aol

    Subframe bushings?

    What they are made from?? Did you even look at the thread I posted?
  3. supraguy@aol

    DrDucttape's 1988 MKIII Project

    My turbine housing is cracked in the same exact spot, no issues.
  4. supraguy@aol

    code 52 struggles.

    Well, the low afr's might cause the misfire, or the misfire might result in low afr's(unburned fuel= rich). What are your plugs gapped at?
  5. supraguy@aol

    A little custom body work .

    Looks great. Are you going to reinstall radiator mounting points?
  6. supraguy@aol

    My MKIII Build

    Very very nice. I gotta say, I love the wrinkle finish on the timing cover. I was planning on wrinkling the valve covers and intake manifold, but now I think I'll include your example.
  7. supraguy@aol

    DrDucttape's 1988 MKIII Project

    That isn't that uncommon. I would say use it, and only replace it if you find an issue once its running. The backplate is necessary to determine cam timing.
  8. supraguy@aol

    code 52 struggles.

    Wait- does it feel like a misfire? Like you're losing a cylinder? If so, sheck all your plug wires, and make sure you didn't get any coolant/ water down in the spark valley. It'll cause a misfire under load.
  9. supraguy@aol

    Piston decision.....

    I searched youtube for videos of 'crankshaft balancing', and every single video I found except one, was of inline cranks with bobweights, so... http://www.youtube.com/watch?v=LvgVI2PTKzI http://www.youtube.com/watch?v=2UNLrXUL49w&feature=related Supra crankshaft:- 6M...
  10. supraguy@aol

    harmonic balancer question/issue

    It doesn't sound to me like the pulley is the bulk of your problem. I would assume that the total material lost on your pulley would be less than 3-4 ounces, 6inches from the centerline of the crankshaft. At 2500rpm, I think this would be a small vibration, not enough to make your shifter act...
  11. supraguy@aol

    code 52 struggles.

    Yup. Well, to be more specific- It's going to retard the timing way back, and you'll have poor combustion, which can cause a rich condition. PS- Have you checked your coldstart injector? they sometimes stick open, and this will not throw a code.
  12. supraguy@aol

    Subframe bushings?

    This thread is quite recent, and has pics of the bushings in it.(post #82) http://www.supramania.com/forums/showthread.php?156551-poly-subframe-bushings-kit
  13. supraguy@aol

    Piston decision.....

    Ah-ok, that makes perfect sense now about the bobweights representing the new piston/rod combos. I assume that any rod/ piston combo I end up with, is going to weigh less than the oem? I assume that forged pistons will be clearly heavier than stock, but will the rods weigh less? I have...
  14. supraguy@aol

    Piston decision.....

    On a different subject, IJ, is it sensible to have my crank rebalanced? Obviously, the factory did some balancing, but was it adequate for higher powerlevels? Also, how does using forged rods/ pistons affect the need for balancing? My understanding is that dynamic crank balancing is performed...
  15. supraguy@aol

    Piston decision.....

    Thanks, IJ. Im vassilating between Ross and Arias.
  16. supraguy@aol

    Piston decision.....

    I noticed that nobody has mentioned Arias- Are they not considered to be as good as others mentioned? Also- IJ, you mention the Ross are the heavier choice of pistons. Is there a thread that mentions piston weights of all the manufacturers? Or if you happen to know, what are the weight...
  17. supraguy@aol

    My MKIII Build

    Congrats on the successful rebuild. Post a video of the running motor.
  18. supraguy@aol

    DrDucttape's 1988 MKIII Project

    Interesting paint job. It would look better to me if either the mouldings were painted silver, or(preferably) the dark color came all the way down to the mouldings. Regardless, I do like two-tone. Two questions- Did you have the machine shop polish the head/ block mating surfaces down to the...