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-   -   25 sxt porpoise ??? (https://www.offshoreonly.com/forums/warlock/301004-25-sxt-porpoise.html)

dave269 08-18-2013 08:23 PM

well, went out testing this morning & water was pretty smooth, 34p labbed bravo one & turned 58-5900 @ 110mph on GPS. still porpoised @ 90-100, tried trimming down and it got worse so re-ran it and trimmed so a 5-10ft rooster tail & seemed better but was riding on the very rear & felt a little loose.

HiMark Racing 08-18-2013 10:19 PM

I would try a 32P, but with that said..I always get really bad porpoise with flat water...throw a little chop in there and she was on top of the world..Put that 32 on there and you will run 115 all day..and may even see a 125 in some chop..OH!! and even running a BMAX on mine with dual steering and hydraulic to the helm..she was scary loose..your right..at that speed, your riding on he tail!..Have fun!!


http://www.youtube.com/watch?v=nEMB7...7WadpXyVZcaewg

dave269 08-19-2013 10:48 PM

what drive ratio are you running ? Mine is 1.5 & my engine was built for 54-5800. Being at 58-5900 now the 32p will deff bounce the limiter, thinking on going to 1.35

HiMark Racing 08-19-2013 11:05 PM

It's a BMAX upper with an IMCO lower running 1.30. Check out http://www.bravoshop.net/

The motor was built to handle 1200Hp but underdriven to @ 900hp. Rev-limiter set to 6200, but with that labbed 30 I maxed out @ 6000 at 115mph

rickdarling 09-06-2013 02:13 PM

Deep,

Nice boat.

I've got a 94 28 SXT with twin 502s and am thinking about fixed tabs. Can you tell me where you got yours?

Thanks,

Rick


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