<table width="90%" cellspacing=0 cellpadding=0 align=center><tr><td>Quote, originally posted by taeheel2az &raquo;</td></tr><tr><td class="quote">"It's simply not a cost-effective decision to attempt "making" a ProXS... less costly to start with the engine you want."




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This is still my answer.

And here's a general idea of WHY:

Even if you were to successfully PORT the engine to match the ProXS model porting... you're going to need over $5000 in swapped components (see above list... you can look up the cost of most of these components on our website):

http://www.mercurypartsexpress...arine

Eric Simon @ Simon Motorsports would be a good person to speak with if you're still considering an attempt: http://www.simonmotorsports.com