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Life of XR with 575 SC

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Old 06-11-2008, 10:10 PM
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Default Life of XR with 575 SC

Are the XR'S reliable drives on a 42 fountain with 575'S ??
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Old 06-12-2008, 12:22 AM
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Wasn't the XR developed for the 575 sci originally? It is supposed to be able to handle 575 hp,600 tq.mike
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Old 06-12-2008, 12:34 AM
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Originally Posted by 35 lightning
Are the XR'S reliable drives on a 42 fountain with 575'S ??
If you don't air it out too much and you stay away from 5 blade props although I have no personal exp w/42 ft fountains,just bravo drives,Smitty
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Old 06-12-2008, 07:47 AM
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Yes - they'll last. Keep the boat in the water and no full throttle hole shots and you'll get good life out of them.
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Old 06-12-2008, 11:50 AM
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I had a few problems by my boat was a 386 Sonic with extension boxes.
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Old 06-12-2008, 03:38 PM
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Keep the props in the water and you will be fine. I raced them at over 120 mph in a cat and did well

Bryan

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Old 06-12-2008, 03:43 PM
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I've had a few problems also.

Stellings boxes ( no rubber coupler) and
5 blades probably aren't helping anything
either.
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Old 06-13-2008, 06:37 AM
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There was an update to the front seal on some of the first XR's. 2001 year I think. We went through the updates on our Apache with 575's . BTW, once the updates were done, this package has been trouble free and delivers great power. I have ran our 36 Pache single step to 84 mph GPS, during a short top speed run in less than ideal conditions (flat water) .

For what thats worth

Oh, also, this boat is for sale too, I havn't addvertised it here yet.
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Old 06-13-2008, 08:13 AM
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5 blades + big boat + 575SCi's = blown outdrive.

Stay w/ 4 blades
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Old 06-16-2008, 11:26 AM
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In my opinion, after 470 hours and 7 years, my boat
is the limit for XR's.

35 foot, 8500 pound Nordic V-hull with 575SCi's bone stock.

Go any bigger, heavier, more power, or cat, and forget
Bravos. Learned this from watching people over the years
with 38 foot and larger boats in the Catalina Ski Race.

For me drive rebuilds have been on average every 3 years
at $4000 per rebuild. Never had a catastrophic failure nor
been left stranded.

Pesky Varmint.
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