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Jet Boat Maloney

  • Karma: +9/-0
Finally getting over my pity party
« on: August 07, 2014, 05:55:27 AM »
Well it only took me almost 3 months but I managed to get the motor out and tore down.
How often does the small end of a rod let go? But that's what happened. Also I think the timing chain let go haven't got the front tore down yet. When I turn the crank the cam doesn't move.
Damage list-
3 exhaust valves bent
4 roller lifters broke
1 rod let go (the small end) big end looks good no spun bearings
Cams damaged and I think the timing chain let go
Oil pick up was just dangling (the screen)
Blocks bad cracked cylinder wall
1piston
I think the crank is good just need to have it check out for straightness.
Needs-
4bolt mkIV block
1 rod
Set of pistons and rings
Bearings and new rod bolts
3 new exhaust valves
Timing chain and gears
Roller cam
4 roller lifters
Rod and main bearings
Machine work and balancing check the crank
Now oil pick up
So all in all I'm feeling pretty good about it. I thought it was going to be a lot worse.
Oh yeah gotta weld up my windows in my pan.
Photos to come soon


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GT Jets

  • Karma: +192/-0
Re: Finally getting over my pity party
« Reply #1 on: August 07, 2014, 07:28:39 AM »
Rod came up and broke the cam.....

Sent from my SGH-T989 using SoCal Jet Boats mobile app

  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Roadrunner

  • Karma: +13/-0
Re: Finally getting over my pity party
« Reply #2 on: August 07, 2014, 07:28:39 AM »
Sounds like the mechanical equivalent of my 1st marriage. Keep your chin up brother. You'll be mashin' the go pedal in no time.


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In God we trust, all others pay cash.

ka0tyk

  • Karma: +30/-0
Re: Finally getting over my pity party
« Reply #3 on: August 07, 2014, 07:51:00 AM »
stuff spins around at thousands of rpms all within tolerances of a thousandths of an inch.   im surprised motors dont explode more often.  engineering marvels...
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Jet Boat Maloney

  • Karma: +9/-0
Re: Finally getting over my pity party
« Reply #4 on: August 07, 2014, 08:38:37 AM »

Rod came up and broke the cam.....

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Yep


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rush1

  • Karma: +18/-0
Re: Finally getting over my pity party
« Reply #5 on: August 07, 2014, 12:22:23 PM »
Yep


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welcome home bud looks like you have your work cut out for you ( and money)

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icecreaman

  • Karma: +23/-0
Re: Finally getting over my pity party
« Reply #6 on: August 08, 2014, 07:41:47 PM »
Well it only took me almost 3 months but I managed to get the motor out and tore down.
How often does the small end of a rod let go? But that's what happened. Also I think the timing chain let go haven't got the front tore down yet. When I turn the crank the cam doesn't move.
Damage list-
3 exhaust valves bent
4 roller lifters broke
1 rod let go (the small end) big end looks good no spun bearings
Cams damaged and I think the timing chain let go
Oil pick up was just dangling (the screen)
Blocks bad cracked cylinder wall
1piston
I think the crank is good just need to have it check out for straightness.
Needs-
4bolt mkIV block
1 rod
Set of pistons and rings
Bearings and new rod bolts
3 new exhaust valves
Timing chain and gears
Roller cam
4 roller lifters
Rod and main bearings
Machine work and balancing check the crank
Now oil pick up
So all in all I'm feeling pretty good about it. I thought it was going to be a lot worse.
Oh yeah gotta weld up my windows in my pan.
Photos to come soon


Sent from my iPhone using SoCal Jet Boats

You'd have to do a little driving to No Cal, but this may be what you're  looking for

http://www.performanceboats.com/parts-sale/241497-gen-iv-long-block.html
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Jet Boat Maloney

  • Karma: +9/-0
Re: Finally getting over my pity party
« Reply #7 on: August 10, 2014, 11:25:43 PM »
Does anybody have an idea how much I'm looking at to repair this thing?


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GT Jets

  • Karma: +192/-0
Re: Finally getting over my pity party
« Reply #8 on: August 11, 2014, 08:57:57 AM »
Does anybody have an idea how much I'm looking at to repair this thing?


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Well....

You do not need a four bolt block... That will save you several hundy

I think you broke enough stuff to buy another completer motor and start over.

Let me if my machinist has what you need and I will get back to you. Having dinner with him tomorrow night... I will catch him after a couple of "after dinner cocktails"...LOL

I am thinking you will be in this thing every cent of $3,500-$4,000.  :thumbdown:

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

icecreaman

  • Karma: +23/-0
Re: Finally getting over my pity party
« Reply #9 on: August 11, 2014, 09:46:12 PM »
Did you catch the link I posted?  I think a complete 4 bolt for 800.00 is a good start to a new beginning.  Between the 2 motors you may have all you need but machine work and gaskets.  Probably need a cam, but it would be a nice start,
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