tested my 240sport
ok i have 540 dart . 1000holley carb dart pro1 heads dart sinlge plane intake msd stainlless headers k/n flame arestor 100 gallons fuel boat ran 76.7mph trim tabs to long to low i cut 6in .took another run 78.8 mph gps . that was at 5400rpm .this weekend i will test some more
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Originally Posted by bajabob
(Post 3126638)
ok i have 540 dart . 1000holley carb dart pro1 heads dart sinlge plane intake msd stainlless headers k/n flame arestor 100 gallons fuel boat ran 76.7mph trim tabs to long to low i cut 6in .took another run 78.8 mph gps . that was at 5400rpm .this weekend i will test some more
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just got back from testing my boat at 2500rpm doing 30mph at 32oo i am doing 45mph at4100 i am doing 60 5500doing 80 mph did a little ajusting and had 50gallons of fuel .trim tabs working alot better :cheers2:
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what tabs do you have, what prop a 27 or 28 p? sounds good 80 at 5500 but I bet if you can use a 1050 carb you may find more I change my 850BG to a nickerson 1050 had a good gain I used the same intake with a 1050 spacer. were your tabs even with the bottom of your hull mine are 380s Kplanes set 1/2 or 3/4 '' from bottom ran fine at wfo if you look at pics there not real touching water at 75 to 85 tabs or k planes are good in rough water well keep us posted not sure whats up with my 24 working on the 28.
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airtime i got the carb from nickerson . i have a spacer under the carb. remeber i running 136bravo drive with a 23pitch prop . if i ran 150gears then i run a 28pitch on my trim tabs i bolted the to low for long one icut them down to 18inlong they work fine now . i am happy for now i am going to run my boat and have fun with it for now . you have great info when it s about baja thanks for info
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Hey what cam are you running I have pretty much the same setup
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Originally Posted by bajabob
(Post 3130117)
airtime i got the carb from nickerson . i have a spacer under the carb. remeber i running 136bravo drive with a 23pitch prop . if i ran 150gears then i run a 28pitch on my trim tabs i bolted the to low for long one icut them down to 18inlong they work fine now . i am happy for now i am going to run my boat and have fun with it for now . you have great info when it s about baja thanks for info
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Im running only 69 mph on mine, but I only have a little 502 with a 850 holly and a dart single plane, with no spacer, and stock exhaust, x demetion raised 3 inches..oh and no tabs..gets a little hairy at times..
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Originally Posted by stlliberator
(Post 3140788)
Im running only 69 mph on mine, but I only have a little 502 with a 850 holly and a dart single plane, with no spacer, and stock exhaust, x demetion raised 3 inches..oh and no tabs..gets a little hairy at times..
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Im a little upset at mine.
Just rebuilt 547 CI n/a 630Hp(dynoed) in my 1989 23'5 Force and I can only hit 72.3mph GPS 5600Rpm 24" slightly labbed 4 blade. Figured I would get 75mph easily. Just bought a new carb, Im not expecting that to make much difference. |
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