what wrong with my 383 stroker ?or i am over prop

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05-15-2017, 09:23 PM

#31

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Quote:

Originally Posted by SB

5.7 with a 218/224 cam in a 20ft boat spins a 21" at 6200rpm at 72.8mph. A little under propped currently

What hull.

05-15-2017, 11:28 PM

#32

tk350

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Quote:

Originally Posted by NHGuy

No, not a rebuild. Get a bigger carb. You should be able to spin a 23 all day in a 17 footer. I had a 23 on a cammed up 350 in a 19.5 footer and it made 4500 rpm. Light boat at 2700 lbs but still you have a 17 foot boat. A 383 should be scary fast in a 17 foot boat.

My cab 1409 with stock jet sit on 383 engine it already suck a lot of fuel .
So what is the next size cab for my 383 ?would you tell me.thank

05-18-2017, 07:56 AM

#33

oconnor marine

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[QUOTE=tk350;4554418]My cab 1409 with stock jet sit on 383 engine it already suck a lot of fuel .
So what is the next size cab for my 383 ?would you tell me.thank[/Q

Last edited by oconnor marine; 05-18-2017 at 08:32 PM. Reason: Misquoted

05-18-2017, 08:27 AM

#34

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He sent me the video link, but it is private so I/we can't see it. Frustrating.
https://www.youtube.com/watch?v=L5EkD9GF4YU

05-18-2017, 09:27 AM

#35

oconnor marine

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Quote:

Originally Posted by SB

He sent me the video link, but it is private so I/we can't see it. Frustrating.
https://www.youtube.com/watch?v=L5EkD9GF4YU

4000 POUNDS!!!!! What? cabin cruiser ?

05-18-2017, 09:34 AM

#36

tk350

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Quote:

Originally Posted by SB

He sent me the video link, but it is private so I/we can't see it. Frustrating.
https://www.youtube.com/watch?v=L5EkD9GF4YU

now you can see....this is my first boat.i know it old boat ....i just build for fun .thanks for help.

05-18-2017, 09:53 AM

#37

tommymonza

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Who is the manufaure of the boat? That doesn't look like a performance oriented hull.

Put a long level on the bottom of the hull to check for a hook?

Your country of origin?

05-18-2017, 09:53 AM

#38

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Quote:

Originally Posted by oconnor marine

Ok let me get this straight. Its a FOUR THOUSAND POUND 17' BOAT??? THATS A BARGE. SORRY. That is not going to go much if any faster. What make boat? Photo?

He did not say that. Someone else in this thread chimed in with their 4000lb boat for comparison reasons.

05-18-2017, 10:06 AM

#39

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Where in the hell did 4000lb come from? He never said that.

Hull hook is not slowing him down to the level he's reporting.

Trying a smaller prop is the simplest and quickest way to see what's going on.