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Post by kenny4007 on Dec 5, 2021 10:15:08 GMT -5
I got a 92 automatic with a 87 t/c swap idles fine it has a la 3 ecu just went on est drive yesterday it will not pull over 6 lbs boost starts stuttering fuel pressure is 39 psi timing set a 10 deg running at idle ilso just switched over vam to mass air flow off of a 92 v8 mustang, what am I missing
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Post by Stinger on Dec 5, 2021 11:46:53 GMT -5
Is timing 10 deg running with the spout in or out?
What did you use to program the ECU for the mass-air conversion? This is the likely culprit...
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Post by kenny4007 on Dec 5, 2021 12:28:51 GMT -5
Spout in , and no programming on mass air
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Post by Stinger on Dec 5, 2021 20:34:19 GMT -5
That's got no shot at working. You can't replace a VAM with a MAF with no programming. They work differently, have different transfer functions, etc.
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Post by kenny4007 on Dec 6, 2021 10:50:27 GMT -5
Thank you, I'll switch it back tonight, is the la 3 ecu OK to use
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Post by Stinger on Dec 6, 2021 12:06:47 GMT -5
Yes, as long as it's wired properly and you have the correct sized injectors (35lb brown tops) and VAM (3.128" OD).
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