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Unread 08-25-2011   #1 (permalink)
rick7476 is offline Apprentice


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i just read about these in a old book and it looks like something id like to try, anybody have any experence with this? i cant find them on ebay so maybe you cant even get them any more. it plugs in between your eec-iv computer and lets you change your air fuel mixture and raise or lower your rev limiter, its part number M-12650-A50
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Unread 08-25-2011   #2 (permalink)
GTRaptor is offline SHELBY GT 350 Member

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Was a good product, easy to use but limited in functions, if you cant find one i suggest this instead The TwEECer -- EEC-IV user programmable module
Tweecer though is much more complex, but it has strong support.
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Unread 08-26-2011   #3 (permalink)
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Quote:
Originally Posted by rick7476 View Post
i just read about these in a old book and it looks like something id like to try, anybody have any experence with this? i cant find them on ebay so maybe you cant even get them any more. it plugs in between your eec-iv computer and lets you change your air fuel mixture and raise or lower your rev limiter, its part number M-12650-A50
I dont think they make them anymore.The Tweecer or Quarterhorse is the way to go!Ive never used a Tweecer but love my Quarterhorse.
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Unread 08-26-2011   #4 (permalink)
need4spd90 is offline SHELBY GT 350 Member

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stock h/c/i doesnt make power much past 5k rpms anyway,so no need to raise your rev limiter past the factory 6250rpms..

..although some tweaking of your WOT a/f mixture may pick up a few extra hp for you
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