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  1. 3p141592654

    Door Panel Wiring

    If its running off the oem power amp under the seat that amp may have failed. At one point I rebuilt my amp using new caps and driver transistors because it failed. But I just run off a modern amplifierthese days.
  2. 3p141592654

    Door Panel Wiring

    A lot of the LEDs have switching power suppplies in them that can put out a lot of hash on the electrical system. Pesonally I have a lot of LEDs installed and no problems with radio noise.
  3. 3p141592654

    Intermittent no start, clutch safety swith by-passed

    check the voltage drop across the ignition switch first. Then across the right kick panel relay. And also the NSW switch. Ifg all those check out good then its usually the starter relay.
  4. 3p141592654

    What did you do to your supra today? Pics

    looks like an HKS LET-T16 cat back too.
  5. 3p141592654

    Average amount of oil recovered after an oil change on a stockish 7M-GTE?

    Those pans are designed to keep the oil pickup submerged under high G's. Adding more oil doesn't really solve that problem.
  6. 3p141592654

    Average amount of oil recovered after an oil change on a stockish 7M-GTE?

    Yeah, unlike some other engines that will foam and burn oil with just 0.5 qt over, the 7M can run with 2 quarts over and be fine. The crank is way above the oil level.
  7. 3p141592654

    Average amount of oil recovered after an oil change on a stockish 7M-GTE?

    I do. 6 quarts. And I top up when it drops to Full! :)
  8. 3p141592654

    Recommended replacement heater core?

    Is the Toyota core discontinued? This is a job I hope I never have to do, but I'm going now 29 years on the original .
  9. 3p141592654

    Turns over but doesn't start and no CEL

    Rockauto lists them. https://www.rockauto.com/en/catalog/toyota,1990,supra,3.0l+l6+turbocharged,1278525,electrical-switch+&+relay,ignition+starter+switch,4700
  10. 3p141592654

    "Zulu" mod

    It's also worth considering that the internal cylinders 2,3,4,5 are surrounded on two sides by hot neighbor cylinders and they do not have coolant paths separating them due to the tight packing. The same consideration applies to the internal hot exhaust passages. The end cylinders 1, and 6...
  11. 3p141592654

    What did you do to your supra today? Pics

    That is awesome. There is one youtube video of a guy pulling a quarter panel that helps show some of the way things fit together, but a dedicated video will be great. I'm pulling my bumper covers for repainting. The factory paint has seen better days.
  12. 3p141592654

    New MK3 Owner from CO

    Nice looking car. I test drove one like that back in 96.
  13. 3p141592654

    What did you do to your supra today? Pics

    Do you have a step-by-step write-up anywhere on pulling the bumper and nose cone off?
  14. 3p141592654

    "Zulu" mod

    Agree with Pirate. EGR is about lowering temperatures to reduce NOx formation. The EGR gas temperature is lowered by the cooler prior to re circulation, so if Toyota's intent was to affect the EGR gas temp they would run cyl 6 cooler no t hotter. Its interesting to look at the coolant...
  15. 3p141592654

    Engine stall at full stops intermittently, error codes unrelated.

    34 is from fuel-cut due to over boost situation. I would think it is unrelated. 24 is more suspicious. You would need two drive cycles to set it. So it may point to your AFM wiring being intermittent. Two things I would check: First does the tach move after it dies and you try to restart...
  16. 3p141592654

    "Zulu" mod

    Its an EGR cooler, not heater, and the volume of exhaust gases flowing in the EGR that is the size of a straw is so low that it has zero impact on the heat load of cyl 6. Compared to the flow through the exhaust port of cyl 6 its completely irrelevant.
  17. 3p141592654

    Turns over but doesn't start and no CEL

    Validate plugs are firing. Tach moving validates CPS. You need to check the ignitor/coil circuit is good. Validate injectors are firing. At the very least confirm the injectors are getting electrically activated with a reasonable waveform.
  18. 3p141592654

    "Zulu" mod

    Opinion. There is no engineering behind this mod. It could easily upset the balance of coolant flow in the block. This sort of thing is best left to people who design engines and have the software tools to model coolant flow. It's a zero sum game. Adding coolant flow in one place takes away...
  19. 3p141592654

    I keep going back in time! Finally found a mkiii--meet crimson tide

    Click on the "image" button in the toolbar, select the "By URL" tab and past in the image link. That should work. I did that for your first link and got this
  20. 3p141592654

    Figgie's build: Project Rodknox

    Unless someone can show a fluids analysis that it doesn't unbalance the flow in other parts of the head I would not touch that mod. You will note that toyota did not open up the holes fully between the block, gasket and head for any cylinder. That is to ensure that the flow is evenly divided...