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Message: <blockquote data-quote="forcefedhatch" data-source="post: 943855" data-attributes="member: 11111">Odds are if you feel you don't know enough about the Timing on distributor, etc. odds are #1 your car needs a tune for sure! And before you attempt anything more have someone with you or go to a reputable shop to do this! When changing engine combos oem ecu tunes are null and void, your engine is basing itself off of 302 cubes when in reality it needs to feed 347 cubes. Even with a maf set up for your 24(or so) lb/hr injectors it still needs tuned for the additional needed air flow and the cam tuning is extremely important especially In the 94-95 computers! They are very touchy and one small change can make the whole system go crazy. To be honest I'm surprised it's drivable on a stock ECM and no tune.. Congrats on that one! But long story short get it tuned and base timing set by a pro. If not it could cost you your engine..Sent from my iPhone</blockquote>