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2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

swapped in a used jdm engine. idles fine then dies

   
Old Feb 25, 2017 | 10:24 PM
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Oil is still getting past the new oil seal in the turbo. Maybe the rotor's oil rings are bad or those Japanese just love their high oil pressure...

ill know tomorrow hopefully when i take it in
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Old Feb 26, 2017 | 09:39 AM
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oil pressure is supposed to be stepped down before it gets to the turbo
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Old Feb 26, 2017 | 09:04 PM
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gotcha and that is the answer to one of my problems. As for the bad lean episodes it all has to do with the tune/timing in the haltech according to my tuner.
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Old Feb 26, 2017 | 09:15 PM
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yep, you just have multiple issues you have to sort through one by one.
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Old Feb 26, 2017 | 09:55 PM
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Sounds to me like post start enrichment is keeping it running, and when it stops you're leaning out and dying. Have someone competent tube the car
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Old Apr 1, 2017 | 07:56 PM
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My haltech was tuned for my previous engine that was street ported and this one is not so it has less vacuum..
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Old Apr 1, 2017 | 11:15 PM
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you got that part backwards.
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