Had an interesting weekend, fixed some small problems on the SPuG. On the highway Saturday, I'm gettin' on it in 4th (at about 75 mph) when PFFFOOOM, = a loud pop from the engine. I make my way to the shoulder, pop the hood to see the pipe connecting to the throttle body from the IC had blown off. The hose connection there is mighty oily. Reconnect, I'm on my way. Not for long. PFFFOOOM, again. Same thing. I reconnect, and make it home without boosting (very hard to do on highway traffic in Maryland).

Sunday, my brother and I replaced the hose connection there. While the engine is cold, I suggest we try messing with the wategate actuator rod (I'm trying to take the boost down). We do one full turn of the rod, reconnect, and go for a test drive. Max boost is 18 - 20 psi (which is my target area), except it takes forever and a half to get there. Remember, this is a Mitsu turbo, too (faster spool).

No vacuum lines have blown off, oil pressure seems a bit high. My thought: my turbo is done, but.....

No plumes of smoke coming from the rear of the car (as you would expect when the turbo is blowing by oil, except is that the case when it blows by on the compressed side?) and it still gets up to 20 psi (though it gets there about as fast as I get out of bed in the morning).

The turbo was definitely blowing by oil, too much for my taste, before the hose popping event. The oil in there this time seemed even greater. Is the turbo done? Could the hose popping off have enhanced the problem? What else could be causing this spool up problem?

And my last question: What turbonetics turbo do I need? :)

Mike
88 SPG



posted by 12.40.175...

• What did I do? Spools up like molasses (lots of Q's), WASSAAB, Tue, 15 Jan 2002 09:13:30 <-- Viewing This Message
  • I likey my T3/60..., Vince T, Tue, 15 Jan 2002 19:47:16
    • From the Turbonetics Site, WASSAAB, Wed, 16 Jan 2002 09:17:56
      • disagree ..., Kevin K , Wed, 16 Jan 2002 10:27:55
        • bigger exhaust side on jays sentra, dave n, Wed, 16 Jan 2002 15:49:12
        • cool, WASSAAB, Wed, 16 Jan 2002 10:44:51
  • Re: What did I do? Spools up like molasses (lots of Q's), Brad, Tue, 15 Jan 2002 12:17:49
  • Re: What did I do? Spools up like molasses (lots of Q's), Dean, Tue, 15 Jan 2002 11:05:35
    • Forge BPV (brand new one, actually), WASSAAB, Tue, 15 Jan 2002 11:15:17
  • Re: What did I do? Spools up like molasses (lots of Q's), SteveY, Tue, 15 Jan 2002 10:44:58
    • Not enough to register on the diptsick, WASSAAB, Tue, 15 Jan 2002 11:11:45
      • Is your Trent WG Actuator a .5 or 1 bar? nm., Simon S, Tue, 15 Jan 2002 13:00:03
        • .5 bar n/m, WASSAAB, Tue, 15 Jan 2002 14:04:35
  • Don't forget your valve breather check valve. n/m., Simon S, Tue, 15 Jan 2002 10:42:22
  • Didn't you say you could hear the "baseball card in the, Talladega900, Tue, 15 Jan 2002 10:00:13
  • Re: What did I do? Spools up like molasses (lots of Q's), Kevin K , Tue, 15 Jan 2002 09:25:29
    • yes, this Trent Wastegate actuator is MIGHTY sensitive, WASSAAB, Tue, 15 Jan 2002 10:31:46
      • Re: yes, this Trent Wastegate actuator is MIGHTY sensitive, Kevin K , Tue, 15 Jan 2002 12:02:04
        • plan to check all of these tonight, WASSAAB, Tue, 15 Jan 2002 12:55:20
          • one possibility ..., Kevin K , Tue, 15 Jan 2002 14:48:24

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