Forum: Technical Q&A
25-11-2005, 10:47 AM
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Replies: 6
Views: 4,343
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Forum: Technical Q&A
19-11-2005, 01:55 AM
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Replies: 6
Views: 4,343
Power upgrade for 300 promax
Friend of a friend of a friend does work with racing boat engines. He recons he can replace the reeds on the 300 promax, add a new chip, grind the ports and it will be able to rev to 7200 and produce...
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