Recent content by Phyrexii

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  1. P

    Exhaust downpipe 'fitting' - need sources

    I'm feeling dumb here... I do not have, nor have I ever seen, a downpipe for these turbos. The turbo (from an 81 or 82 Regal) has a three hole connection to the downpipe, the flange is counterbored, and there are three shoulder bolts with springs connecting the downpipe to the turbo. I've...
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    Basic turbo tech questions for a newbie :-)

    A.J. - a little off topic here, but you might want to check this out: Sharpening Skills in Online Classroom This 'school' has virtual classes in everything machining, and it's not too expensive (I think it's $64 a month with 3 month min, but for schooling, that's a bargain - IMHO)
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    Basic turbo tech questions for a newbie :-)

    I plan on using an old (dead) Q-jet as a throttle body, but keeping the CIS injection already in the car - so it will still be a 'draw thru' design from the seal's standpoint. I am using the cold start injector for fuel enrichment, and I am mounting that before the turbo (where the egr valve is...
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    Basic turbo tech questions for a newbie :-)

    So, it sounds to me that (in my case) this is a good thing (that the exducer sucks), because when I plot my airflow on the turbo map, everything under 3k rpm (engine speed) is to the left of the surge line - the compressor is too large for my application. So, I don't want to generate any boost...
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    Basic turbo tech questions for a newbie :-)

    When I say 'turbine', I am referring to the exhaust side. I read thru the stickys as you suggested, not sure if I am missing something. It would seem to me that it takes X amount of exhaust flow (or volume) to spin the turbo up to boost speed for a given intake air flow. Because these turbo's...
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    Basic turbo tech questions for a newbie :-)

    O.K. - Next question - I've determined that the compressor on the turbo I have is slightly too big for the Rabbit, but only below 3k rpm. The assumption here is that there is enough exhaust speed / energy to spin the turbo up to boost under 3k rpm. I have a hard time believing that a 1.6L engine...
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    Basic turbo tech questions for a newbie :-)

    Thanks! I saw that thread, but I didn't notice pg 2 & 3! (it was midnight:o )
  8. P

    Basic turbo tech questions for a newbie :-)

    Hey, y'all, I have always loved the (relative) simplicity of the Buick turbo system (draw thru, compact, etc), and am interested in using it on a custom setup of mine. However, I am having trouble deturmining some basic info on the turbo itself, and am hoping you can help. I have a turbo...
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