Thread: 39' Chris Craft Scorpion Rebuild
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06-27-2010 11:16 AMGetting bad advice is unfortunate, taking bad advice is a Serious matter!!
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06-27-2010 01:38 PMI would take the time to measure your buddies drive height.
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06-27-2010 07:25 PM
79 MPH seems almost unbelievable; whatever he did - do the same
People we meet in life are either a Blessing or a Lesson
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06-27-2010 07:57 PM
Yes Paul, it is a 1982 39' Scorpion with TRS's just like yours and mine. I would not have believed it, had I not been on the boat and seen it for myself. It is very possible that I underestimated his HP. He calls them 525's, but I think he is referring to CID and not HP. They sound way too wicked to be only 525 HP, so I may have been incorrect in my posting of the HP. The mid to hi 70mph is accurate though. I was actually on my way out to his boat to measure his drives today, but the weather went to hell. Based on how his boat performs, I would think that wherever his drives are is where I should put mine if they are not there already. Agreed?
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06-27-2010 08:02 PMSomeday you'll be switching drives if you keep the boat. The Konrads are 1.6 inches shorter I believe, and you can also get a shorter Konrad yet with spacers I think. It is a strong, easy, semi-reasonable upgrade.
I'll try to get the dimension on mine to compare with his. I'd like to know the difference, if any. Find out his true HP if you can. Most Scorpion/Excalibur bottoms with TRS's seem to hit a wall in the mid 70's no matter what kind of power you throw at them.Getting bad advice is unfortunate, taking bad advice is a Serious matter!!
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06-27-2010 08:08 PM
Paul and Jim - are you guys coming to the St Claire race? I will try to get my buddy to bring his Scorpion up there. I am sure he would take you guys for a ride in it and you can see it run for yourself. As I said, I can't believe how well the old barge runs myself. My POS barely runs 50mph with the little 330's in it...boring. I am not even sure my boat is fully planing, it is so slow...haha.
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06-28-2010 03:05 PM
Boy i sure would like to be there also but my father is having surgery and i will be turning 58 on the 26 th and my wife has plans .
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06-28-2010 05:49 PMI would guess 650 to 675 hp's is more accurate.. I would measure to see what he has got for height. Shame is with TRS you can not really take advantage of modern propellers. I suggest you run a cleaver type and not a round ear for the drives sake..
I found from a job years ago a 34 Sutphen with 675's and TRS with 27 Mirages topped at 92 mph.. Never saw a boat go faster with TRS.. Even Fever a 27 r 8 Manta with 675 screaming small blocks couldn't top that..
Mine are in the basement now.. I plan to raise them to the rub rail which is 3" higher.. One day a few years from now I will add Konrads. So round numbers the 4.5 from 9 will leave me around 4.5 inches down on prop shaft height. Than add the 1" shorty I think they offer and I am right where I want to be.
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06-28-2010 08:56 PMGetting bad advice is unfortunate, taking bad advice is a Serious matter!!
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06-29-2010 07:29 AM
Hi Jetcruzr,
I stopped by your shop on Sunday just to see what was going on. I'm sure I was in the right spot becaues there was a Scorpion deck laying on the ground in front of one of the buildings. Don't see those everywhere. Unfortunately no one was there. If you're ever in my nieghborhood and you see us out, feel free to stop by.Big boats rule!