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dolimite
06-26-2007, 08:33 PM
i have just bought a tunnel hull with an 87 200 merc. it already has a low water pickup and exhaust tuner. im looking for the next best upgrade to start with.it has a 27 pitch prop and pushing about 6300 rpms,please help . thanks

Fast Fred
06-29-2007, 07:30 AM
reeds, but thay prob' won't make More power that you will see, cut the heads from thare, :cool:

150aintenuff
06-29-2007, 04:55 PM
2.5....... only REAL upgrade for Lots of HP gain....