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Message: <blockquote data-quote="yellastang342" data-source="post: 5177" data-attributes="member: 8252"><p>Definitely no way to cure without tweecer , pms, or chip. Went with 342 engine with an x cam, nightmare idle and die ever since. Got tweecer, but no support except from forums. Tweecer cheapest option but slowest learning curve, I'm about to give up and go get a superchip burned by local tuner shop. Sorry for the bad news but our computer is more load dependant than 89-92 computers. Load being calculated by MAF, engine size, and TPS. Change airflow and you throw the computer out of wack. Thanks to EPA restictions put in effect 1995, the computer calculates all states with load now. Older ecms could use pre set tables at idle and also had a much larger learning ability to compensate for changes.</p></blockquote><p></p>