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Old 07-17-2012, 08:36 AM
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I cant believe your boat hasnt sold yet Dennis...did you get a chance to open it up yet?
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Old 07-19-2012, 03:27 AM
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only got 1 call on it ,yes last hot boat I was trying some props that a friend had and the best I got was 124 mph. I think it realy needs a 5 blade my slip was at 18 % with a 32 on it.
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Old 07-20-2012, 07:11 AM
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Wow!! If I didnt already have one I'd love to have that boat with those speeds....I'm running at 90mph...
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Old 07-23-2012, 11:11 PM
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Originally Posted by dennis r View Post
What kind of speed are you seeing with 1050 hp
127 on gps speedo, 129 on handheld GPS still have a little fine tuning to do...
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Old 07-25-2012, 04:42 AM
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What outdrive and prop are you running on that thing.
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Old 07-25-2012, 11:04 PM
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Originally Posted by dennis r View Post
What outdrive and prop are you running on that thing.
XR with upgraded shafts 1.36 ratio and I have a couple Cutting Edge Propellers that I run depending on how the boat is set up.
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Old 09-03-2012, 10:27 PM
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Originally Posted by racinjason65 View Post
XR with upgraded shafts 1.36 ratio and I have a couple Cutting Edge Propellers that I run depending on how the boat is set up.
Can you run pump gas? I would love to have a 306 with 725 Ilmors.
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Old 09-03-2012, 10:37 PM
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yes I run pump gas
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Old 09-08-2012, 03:05 AM
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Originally Posted by Catmando View Post
Can you run pump gas? I would love to have a 306 with 725 Ilmors.
I'll run 7-7.5 lbs of boost on pump gas and run 119 mph. But I do my boating in Arizona, where they are adding 10% ethanol on gas at the pump, I try and stay away from that and use 100 octane unleaded when I run 8-10 lbs of boost and 110 for 10-14 lbs. Both are available at the pump in Havasu.

I personally think the Ilmor's are overrated, they are light and make good power stock. But if you need to get parts for them they are very expensive and modifying them for more power is ridiculously expensive.
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Old 11-07-2012, 08:55 PM
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Originally Posted by stirling View Post
I,m here in Europe ,at the other end of the world,just put a 800 hp blower engine in the HTM ,trying to get some speed ,after using a stock 496HO last year... busy now with braking in the engine ,and run only 4 psi boost now .
what kid of speeds were you getting with 496 i have a freind looking for a htm open bow as a family boat wants in mid 70s
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