Vertigo

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About Vertigo

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    https://oldschool.co.nz/index.php?/topic/57510-vertigos-aw11-mr2-turbo/

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  1. Lol found the cause of my low boost!
  2. Yea thats what I figure too. Ill be searching for exhaust leaks for the time being. Pretty sure the turbo is A-ok.
  3. Unsure, but looks factory EVO to me.
  4. Hey, dredging this up again. Ive totally sealed the intake now, convinced theres no more problem there. The idle control valve blockoff plate needed sealing, and a few other minor leaks. This has raised my boost up to a max of about 6.5psi. Still getting bubbling through the turbo oil drain when static testing, but only sometimes, which is odd, and when it does, I hear air escaping through the PCV outlet, or when that is capped off, the dip stick tube. Perhaps a turbo tear down is in order... Its either that, or the turbine not spinning up enough. Ive had issues with the internal wastegate not closing quite enough. I tightened the actuator rod up as much as I could, and that solved low boost issues last time. Ill try that again, but Im wondering if the exhaust housing is cracked and leaking pressure. Or possibly other pre-turbo exhaust leaks. All things to consider, I guess. Is cracking around the wastegate port common on TD05's?
  5. Not the high pressure supply - the drain passages.
  6. After some reading around, Im pretty convinced that the amount of leakage Im witnessing is normal, and in fact helps prevent oil leakage into the housings.
  7. Yo. Im sorting out a few boost leaks, and one of them is between the compressor housing and the turbos internal oil passages. With a tester attached to the turbo inlet and the rest of the intake piping capped off (disconnected from the engine), I can see oil being pushed through the turbo drain into the sump (I have a transparent hose, so can easily see this). This is a TD05HR. Is this normal? Or do I have a problem?
  8. Ended up solving it by ditching the vacuum bleeder and using the pedal to create pressure instead. No more air bubbles, now goes into gear. Still using the longer slave rod, though. I know the best solution will be to space out the pivot, but tbh I would rather avoid taking the gearbox off! Another day.
  9. Thanks guys. I made various lengths of rod out of old head bolts - some improved the feel, and I actually got it into reverse, but I could feel the car wanting to roll backwards when letting off the brake, so it's almost there, but not quite. Doesn't want to go into any forward gear at all. Going to have to adjust the pivot, space it out. That requires dropping the gearbox, which really sucks.
  10. Hey. Ive installed a thin and lightweight flywheel in my MR2. Its definitely a 4AGE flywheel, but is about 10mm thinner than the factory unit. Ive bolted it up and throw the gearbox on my turbo engine and bolted the whole thing in, but upon bleeding my clutch lines I find that the slave cylinder actuator rod is not engaging the clutch at all. There is slop in the clutch fork - I can push it forward until it finally makes contact with the clutch, and at that point there is a 10mm gap between the fork and the rod. Obviously I could take the engine/gearbox out again and throw on a factory flywheel, but there has to be a way to get this working. Any ideas, gents?
  11. Hi guys. Over the past 8 years Ive gotten progressively deeper into FI, to the point now where I have wired a complete custom system, run via Megasquirt, and learned a lot along the way. Any questions, ask away.
  12. Im honestly running out of possible explanations, so Im willing to entertain that possibility! Everything looks like it should work. Ill attempt it again, this time in the C56, when I swap engines. And Ill attempt to break it in a bit. Fingers crossed.
  13. The clutch thickness is pretty much the same as the old one that did work. Hmm. I mock fitted the clutch inside an old C50 I have lying around, and measured the distance from the bellhousing lip to the flywheel gear ring with the clutch fully disengaged (so, sitting on the release bearing), and came out to 16mm. If at all possible, can someone check this for me with a working clutch? Curious if its different.
  14. Ill check that with an old clutch I have sitting around that definitely fits - thanks.
  15. Could you elaborate on the offset to the fingers of the pressure plate, and how that could cause problems?