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Message: <blockquote data-quote="nate41102" data-source="post: 1181875" data-attributes="member: 18522">mods first94 cobra stock long block, f303cam, tmoss ported lower, v3 vortech 12 psi, powerpipe, shorty headers, full exhaust, 39# injectors, 340 pump, Prom 80maf. ive been tuning my cobra, and my maf is pegging at 5k rpms so im gonna upgrade that to a sctba2600 which should be good. but i noticed that my inj duty cyle at 4900 rpms and up is 90-93%. would 42s be a worth while upgrade to be safe or should i go larger? im not planning on upgrading the engine anymore. using quarterhorse with binary editor and eec analyzer</blockquote>