Chrysler Conqueror SIII with Chrysler Jet

K

KONA77

New member
i can tell you what he needs to do..........................................  :smile30:



































































get it together and get it wet    :smile16:
 
Last Mohecian

Last Mohecian

Administrator
ChryslerJet said:
blazeracer said:
With the scale of this project, your major restoration on the hull is the bigger issue right now. Just get it running and on the water with what you got and you'll be fine, then upgrade later.
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That's exactly what I am thinking partly because I am in uncharted water here since there is not much known about these Jets and I am running Mopar and seems like so far no one else here is unless there is someone I need to wake up from their hibernation.

I agree on the drag motors wont live in a boat environment that building for a constant 4k rpm versus raps up at 6k rpm are totally different.  For a boat you really need a bullet proof motor one that if designed for drag would spin 8-10k and survive so that it could spin 4k-5k all day long and have no issues.  Also that although torque really is still a deciding factor most guys build for max HP in a drag motor.  I have always been more inclined to differ on that in that a motor should always be designed max torque and long flat torque curve that way it pulls all the way through the curve.  That's how I built the 383 in my 68 Cuda to run 1.65 60' times with 3.23 gears with dry bearings in the rear (oops).  I had thought about using that motor in the boat but that's a lot of weight and major expense to get all the change over parts.  All that being said building a boat motor really is no different you just have to build for the application and design for the purpose and buy the parts that fit that.

I will be using a 93 and up Magnum 360 Truck motor for now it has the newer better flowing Magnum heads, Roller valvetrain setup for less friction in the motor and more power going to the output, I plan on using a dual plane that is designed to work with a torque curve from 1500-6500 and the Carter AFB carb I have on the RH 360 I have now.  I am also planning on lightning the flywheel as much as I can because I truly believe that less rotational weight is better and the stock one for the boat is way too heavy.  It's heavier than a 60's car flywheel with a clutch.  Less rotational speed means faster spin up so I will be able to get to the 4k faster and with more power and less fuel.  Where the heavier flywheel though does have an advantage is once its in motion it keeps wanting to spin (kinetic energy) so it takes less to keep it spinning and will want to help the motor keep spinning.  I wonder if that was the reason they did it.  And yes I am some what of a nerd as I learn a lot, read a lot, and pickup a lot of knowledge along the way with my trial and errors. I have been working on cars and other vehicles for over 30 years and have picked up a lot of mistakes.  I will learn a lot more with the boats as I go along.  With this boat I am sure there will be a lot of trial and error in trying to get the most speed out of it safely.  Now if I could only figure out how to safely put a turbine in a boat hooked up to the jet.
:smile17:
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In my earlier post that was an either or not an all list.  In other words there has been plenty of reliable car motors or high HP car motors or well built car motors that have lived very short lives in a boat.  Don't take me wrong there are plenty that have survived as well.  There are plenty of well documented engine failures where the guy had come rock solid car motor that lasted a very short time in a boat.  The two statements in bold above are exactly how most of those threads start.  Most of the issue stem from the open cooling system and extended higher RPM.

I'm not trying to be a dick just trying to possibly help you see something you may not know.  There is a lot of knowledge on these board.  These guys are here to help.  :smiley:
 
Patchman

Patchman

Administrator
Staff member
I don't think anyone thought you are being a penis! :smile16: Some are very passionate about their ideas. That's what makes all this interesting. I beleive in torque motors myself! And a variety of combos would work great I'm sure. But how does that impellor bite? Is it like a Berk A or a C?  think.gif
 
Last Mohecian

Last Mohecian

Administrator
Patchman said:
I don't think anyone thought you are being a penis! :smile16: Some are very passionate about their ideas. That's what makes all this interesting. I beleive in torque motors myself! And a variety of combos would work great I'm sure. But how does that impellor bite? Is it like a Berk A or a C?  think.gif
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LOL.  You know me well enough.  I just wanted to make sure CJ knew.  LOL.  We all know how passionate I can be.  Just look up the HOA thread.  crazy.gif

As for that Chrysler impeller, I think it might be a better comparison to a YJ impeller.
 
C

ChryslerJet

New member
blazeracer said:
Keep in mind also that if you have an engine cover you should really have a marine carb.
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The carb is a Marine AFB carb thats on a Marine 360 right now just its a RH motor otherwise I would be using it.  Hence the build of a Magnum motor which is what I really wanted in it in the first place.
 
C

ChryslerJet

New member
KONA said:
i can tell you what he needs to do..........................................  :smile30:
get it together and get it wet    :smile16:
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I totally agree until it's all together and on the water its all speculation and bench racing which amounts to zero HP in any book until it meets the road i mean water.
 
C

ChryslerJet

New member
Last Mohican said:
In my earlier post that was an either or not an all list.  In other words there has been plenty of reliable car motors or high HP car motors or well built car motors that have lived very short lives in a boat.  Don't take me wrong there are plenty that have survived as well.  There are plenty of well documented engine failures where the guy had come rock solid car motor that lasted a very short time in a boat.  The two statements in bold above are exactly how most of those threads start.  Most of the issue stem from the open cooling system and extended higher RPM.

I'm not trying to be a dick just trying to possibly help you see something you may not know.  There is a lot of knowledge on these board.  These guys are here to help.  :smiley:
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I understand and the reason for discussion is to make sure I don't make those mistakes.  Building a motor for the application I guess leaves a lot to the imagination and may not really have said what I was thinking.  So mainly I meant if your building a boat motor for a whacker its different than for a Jet and different from a drag car or a street car.  You have to select the right parts.  I may make some wrong choices and will have to live with them if I don't listen to other peoples advise but then where would we be if Thomas edison had listened to everyone's advise.  Sometimes good things come out of expirementation sometimes bad either way we have to live with it.
 
C

ChryslerJet

New member
Last Mohican said:
Patchman said:
I don't think anyone thought you are being a penis! :smile16: Some are very passionate about their ideas. That's what makes all this interesting. I beleive in torque motors myself! And a variety of combos would work great I'm sure. But how does that impellor bite? Is it like a Berk A or a C?  think.gif
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LOL.  You know me well enough.  I just wanted to make sure CJ knew.  LOL.  We all know how passionate I can be.  Just look up the HOA thread.  crazy.gif

As for that Chrysler impeller, I think it might be a better comparison to a YJ impeller.
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No Worries Mate its all in the learning process.  Believe me I am just as passionate just look at this project.
 
Patchman

Patchman

Administrator
Staff member
ChryslerJet said:
Patchman said:
I mite live long enough to regret that comment,      yep just happened! crazy.gif
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Patch You regret a comment? I just figured you were so used to it by now you just move on.
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They don't stick with me man! crazy.gif :smile16:
 
77Jet Star

77Jet Star

Active member
Patchman said:
ChryslerJet said:
Patchman said:
I mite live long enough to regret that comment,      yep just happened! crazy.gif
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Patch You regret a comment? I just figured you were so used to it by now you just move on.
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They don't stick with me man! crazy.gif :smile16:
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People dont pay a lot of attention to Patch anyway. :smile20:
 
C

ChryslerJet

New member
Plans are to finish the fab work on the chopper this week/weekend As soon as thats done it's time to grind on the hull.  Not sure if I am going to leave it on the home made stands or put it back on the trailer for that.  I am concerned with putting a hook in her.  Anyone have any ideas on how to not do that or to check for one before I go about glassing in the stringers and floor.  Or should I not worry too much about that?
 
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