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Message: <blockquote data-quote="Paul" data-source="post: 430654" data-attributes="member: 9404">I never said you should get a mail-order tune. I said you should get a chip, ergo, one burned while on a dyno.How are you currently reading your AFR? What are your readings at various loads and various throttle angles?For a naturally aspirated performance combination, you'll typically want to be on or around 13.2:1 AFR. 14.7:1 AFR is a perfectly "stoichiometric" AFR and is just fine for smaller throttle angles and cruising.Although your car is absolutely stock, and shouldn't need a dyno tune, the stock tables aren't that great (as mentioned previously) and many stock 94-95s detonate at WOT and normally run a tad lean. You can always try backing the timing off and increasing fuel pressure a few PSI to see if that helps.Paul.</blockquote>