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ok.. i want real HP, but dont want to break the bank. i have debated on using a 7m crank. or using a 6m engine. but if i use a 6m when i order parts ie internals. cause i figure the 5m/6m use all same gaskets. i heard the main pully is differnt is that true? and ecu differance is that a problem? and how hard is it to get a 6m ecu?

all help appreciated before i break out the bucks on forged items. :D and if i left out anything that I SHOULD know tell me!
 

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6M uses all the same gaskets and seals, with the exception of the crank oil seals. The pully on the 6m has the larger inner diameter of the 7M crank. A 5M pulley can be machined to work. Ecu diff's are not a prob, juss need to richen up the AFM in most cases. The 6M ecu comes around here and there....but you honestly don't need it. Let me know if you want a 6M.
 
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