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flappers for my jet boat new here please help

Re: flappers for my jet boat new here please help

Postby wetnwild » July 10th, 2010, 3:55 am

Hey goat boy.....I have had two day cruisers and both had flap problems.....There was a guy here in Modsto Ca I meet yrs ago named Walt at Walts Hot Boats who showed me that all you have to do is go to a rubber supplyer, like delta rubber and piece get 3/8 belt material and cut it to size. My tips had two screws with a little piece of metal at the top.....I found something like a cup that fit inside the tips but sat tight against that rime, the traced out the cup on the belt material... I used the same little screws and little piece of metal........Never had one fail or come off! lol.....Ohhhhhh and if you want more RPM from your boat.....Your going to need a BBC :) Ha ha j/k....Calm down big nasty!
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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 16th, 2010, 8:35 pm

thank for the info we took a trip to pyramid lake a week ago the boat ran out great got 4400 rpm out of it the flaps are still on and i will now do like you said get me some belt rubber to have on hand and make me a set or too after i make my new tipps i am a welder fab guy by trad so i can do this and have them powder coated at our shop we have here in vegas same color as the boat as far as the bbc yea yea i know but this is the motor i got with the boat hehehe
thanks again
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Re: flappers for my jet boat new here please help

Postby Big Nasty » July 16th, 2010, 10:03 pm

wetnwild wrote:Ohhhhhh and if you want more RPM from your boat.....Your going to need a BBC :) Ha ha j/k....Calm down big nasty!

Been there had one that's why I went with the BBF Ford I can spin mine up to 6200 so far with the Panther pump I got more then enough RPM.
I know it will run way better with a better in her. We never got a chance to run the Sleekcraft up next to my Tahiti when we were at cacamche
I 'd like to see what it really has in her :cool1:
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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 16th, 2010, 11:46 pm

what you got inside that thing it is a 460 right single carb or duels what mainifold you running and cam and rockers and that stuff so i have a idea here and dist too and are the snail pipes draging me down on hp and torque
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Re: flappers for my jet boat new here please help

Postby Big Nasty » July 17th, 2010, 12:21 am

It started life as a 1970 460 BBF Lincoln block and now it's been bored out to 473 cid with flat top forged pistons, 640 solid lift Comp Cam, H-beam rods, the heads have been ported and cut for Adj roller rockers with stud girdles it's been fully balanced. I run a 2x4 Offy intake with 2 x 500 cfm Edelbrocks. My next add on is TT headers and a different pump
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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 17th, 2010, 8:16 am

Big Nasty wrote:It started life as a 1970 460 BBF Lincoln block and now it's been bored out to 473 cid with flat top forged pistons, 640 solid lift Comp Cam, H-beam rods, the heads have been ported and cut for Adj roller rockers with stud girdles it's been fully balanced. I run a 2x4 Offy intake with 2 x 500 cfm Edelbrocks. My next add on is TT headers and a different pump

thabks for the info that sounds spendy but gives me a good idea were to start all i want is around 5500 rpm i am adding the roller rockers and and alum
intake and bigger cam the motor is pretty much new they told me it has 365 hp runs around 4400 to 4500 rpm boat is 19ft spectra with berkley pump dont know how fast that is but it goes preety darn good from all that have been out with say i have had it on water 4 times now this is my first boat my brother n law brent muhlenberg say it was a great buy thanks for the help just got to find the right size cam
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Re: flappers for my jet boat new here please help

Postby Big Nasty » July 17th, 2010, 10:49 am

goatboybeme wrote:
Big Nasty wrote:It started life as a 1970 460 BBF Lincoln block and now it's been bored out to 473 cid with flat top forged pistons, 640 solid lift Comp Cam, H-beam rods, the heads have been ported and cut for Adj roller rockers with stud girdles it's been fully balanced. I run a 2x4 Offy intake with 2 x 500 cfm Edelbrocks. My next add on is TT headers and a different pump

thabks for the info that sounds spendy but gives me a good idea were to start all i want is around 5500 rpm i am adding the roller rockers and and alum
intake and bigger cam the motor is pretty much new they told me it has 365 hp runs around 4400 to 4500 rpm boat is 19ft spectra with berkley pump dont know how fast that is but it goes preety darn good from all that have been out with say i have had it on water 4 times now this is my first boat my brother n law brent muhlenberg say it was a great buy thanks for the help just got to find the right size cam

My very first motor I had biult for mine and was just bit more then stock it had a Comp cam w/585 lift,.030 over dish pistons, truck rods w/ARP football bolts, w/ the same intake setup and it spun 5200 all day. My second motor was the same as the first but it had flat top pistons w/2 reliefs and it spun 5600 until she got air and spun it up to 7000 before it did this :(
I installed a rev limiter on it now

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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 17th, 2010, 5:01 pm

so a 585 lift hyd cam with roller rockers alum intake air gap all ready running a 850 double pumper detuned about 9lb of pres.on the regulator what about the exhaust keep the snails ya think or go basset water and what dist are you running
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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 17th, 2010, 5:11 pm

how much you got in that motor and how fast is it
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Re: flappers for my jet boat new here please help

Postby Big Nasty » July 17th, 2010, 6:54 pm

goatboybeme wrote:so a 585 lift hyd cam with roller rockers alum intake air gap all ready running a 850 double pumper detuned about 9lb of pres.on the regulator what about the exhaust keep the snails ya think or go basset water and what dist are you running

If that's your setup it should run pretty strong.
I preffer the TT exhaust (Logs) because I use it with the family and OT headers just would work I know I loose a lot of performance but at least I don't have to worry about getting burned by accident.
I truely couldn't tell you how much I have this motor I can guess around 6k maybe more in the last three years here is how it all started little-nasty-t54.html
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Re: flappers for my jet boat new here please help

Postby goatboybeme » July 17th, 2010, 9:03 pm

thats is the same exhaust i got what i seen there so i am keeping that sounds real good
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