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Old 07-02-2008, 07:41 PM
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Originally Posted by Bob280Silencer
5 mph!!!! Cool... thanks.Where is your prop shaft in relation to the bottom?
yep, not only on top but all the way around rpms.
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Old 07-02-2008, 08:54 PM
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Bob, would a 500 hp fit right in where a 496 was in a 280?/
PKS, you mention PQs like to have a shorter outdrive...how so and what is best??
thanks guys,
Mike
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Old 07-02-2008, 11:13 PM
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Originally Posted by verbi69
Bob, would a 500 hp fit right in where a 496 was in a 280?/
PKS, you mention PQs like to have a shorter outdrive...how so and what is best??
thanks guys,
Mike
PQ mounts the out drives deeper because it is a pleasure boats and makes it easy to get on plane. Basically what you are doing when you go with a shorty is raise the X dimension, the measurement of where the prop is in reference to the bottom of the hull, the V part. (someone correct me if I'm a little off)
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Old 07-03-2008, 07:19 AM
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Bob, do you have any performance goodies left over from the powerquest?? Would a good set of tube headers and a re -program be worth the money and effort for the performance that would be gained??

Thanks,
mike
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Old 07-03-2008, 07:58 AM
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Originally Posted by verbi69
Bob, do you have any performance goodies left over from the powerquest?? Would a good set of tube headers and a re -program be worth the money and effort for the performance that would be gained??

Thanks,
mike
A good pair of CMI headers are the best thing you can bolt onto an engine, getting the exhaust out quicker will make the engine essentially more efficient.
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Old 07-05-2008, 10:50 PM
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Thanks PKS....cmi headers would look cool too....Maybe I should hold out for a 500 hp or put in a Raylar kit......dunno!!
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Old 07-07-2008, 02:35 PM
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Originally Posted by verbi69
Bob, would a 500 hp fit right in where a 496 was in a 280?/
PKS, you mention PQs like to have a shorter outdrive...how so and what is best??
thanks guys,
Mike
pic of shorty
Attached Thumbnails 270 540 Build-l_15972ec747edee8f6dbfc81b3db52a1d.jpg  
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Old 07-07-2008, 03:02 PM
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Way nice...you guys are awesome!!!
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Old 07-07-2008, 05:08 PM
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Verbi69,Changing from a 496 to an hp could be a lot of work.I would stick with what I know fits and work with Raylar.I'm sure they can make enough power to get your attention.CMIs look bad and sound great,not to mention they work.They came on my HP500 so I kept 'em for my 548.Bob

Last edited by Bob280Silencer; 07-07-2008 at 05:11 PM.
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Old 07-07-2008, 10:01 PM
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a 270 and 280 have different hulls, not sure why the comparison. The 270 has a low X and the 280 has a much higher X due to the step and the notch. The previous owner added a 1" spacer to mine and picked up a couple mph. I see 69.5 gps all day with a slightly modified 502.
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