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35' Lightning w/ 2 x 900HP

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35' Lightning w/ 2 x 900HP

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Old 05-09-2007, 08:56 AM
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I went to Joeys yesterday. The motors look incredible. Showroom !!! But they wont be ready for 2 more weeks..The wife is upset . So we will see yall at the next run !!!
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Old 05-09-2007, 01:20 PM
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Pics?
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Old 05-09-2007, 03:13 PM
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I thought about that camera the entire way .!!! haha
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Old 05-16-2007, 05:29 PM
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I will have some good numbers by this weekend. One of the drives broke putting it into gear. We got to aprox 107 MPH @ 5000 RPM and it had me pinned in the seat! I didnt get to top it out. Im spinning the motors to 5800 so hopefully I get to strech it out in a few days!
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Old 05-17-2007, 08:49 AM
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another guy just broke his drive putting in gear. A 38? with blowers/ surge.
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Old 05-17-2007, 09:13 AM
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I think its the same guy.
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Old 05-17-2007, 04:09 PM
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Yup its me.....I also talked to the engine shop that dynoed and tuned my motors, he is going to try and get some of the surge out of them.
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Old 05-20-2007, 10:15 AM
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I got to run my boat all day without problems! Well,somewhat. I didnt break down! I got up to 115 MPH @ 5500 RPM and my fuel pressure was dropping so I backed out. I replaced my mechanical fuel pumps with new 172 GPH pumps and running around all day was fine except when I tried to top it out. I made several 110 MPH passes but when I stayed in it to find out how fast it was going to go my fuel pressure dropped to around 4 PSI @ 5500 RPM so I backed out. I have 1/2" fuel lines and 172GPH mechanical pumps, what should I do from here? I'm assuming the higher the RPM @ WOT the more fuel its requiring and I am coming up short?
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Old 05-20-2007, 08:38 PM
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I would think about going with electric pumps and a return line, also what size is your tank pickup?
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Old 05-21-2007, 10:36 AM
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Originally Posted by JBergstrom777
I got to run my boat all day without problems! Well,somewhat. I didnt break down! I got up to 115 MPH @ 5500 RPM and my fuel pressure was dropping so I backed out. I replaced my mechanical fuel pumps with new 172 GPH pumps and running around all day was fine except when I tried to top it out. I made several 110 MPH passes but when I stayed in it to find out how fast it was going to go my fuel pressure dropped to around 4 PSI @ 5500 RPM so I backed out. I have 1/2" fuel lines and 172GPH mechanical pumps, what should I do from here? I'm assuming the higher the RPM @ WOT the more fuel its requiring and I am coming up short?

Had a great time this weekend with you all. Your boat ran and looked GREAT....congratulations.!!!! I would suggest electric fuel pumps for that size engine.


How is the new truck?!?!

Jonathan
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