SoCal Jet Boats
Tech Talk => Projects => Topic started by: justin 78hondo on October 31, 2018, 07:35:14 AM
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figured I would start a build thread on my boat since its winter and a lot of work is getting done or is planned to get done.
From the start - Picked it up in fall of 2015 from a good buddy. I went to his house ready to pay cash for it while I was looking at it after he had ran it with water and that was al done we were talking about oil pressure and he was happy with how much oil pressure that boat had so he started it back up to show me and revved the piss out of it with no water and blew up the motor. So he gave me the boat!
After getting the boat home and assessing the damage the motor was basically complete trash. Crank broke in half, cam broke in 3 spots, hole in the block and oil pan, heads trashed. Basically only minor parts manifold and carb were salvable. So being the eager kid and wanting to use the boat with the little money I had I went out the next weekend and bought a junk yard motor. Threw al my accessories on it had the carb build to the stock specs and she was a runner. I did a coupe of small things like ceramic coat the exhaust re upholstered the seats and that was about it. Ran it for about a year with no real problems. At the end of the Season 2016 the motor had a small valve tick so I pulled the heads off and sent them in and found out they were trashed not even worth the money to fix them. So I went and found some used 049 heads had them rebuilt, had a cam built for the heads added a tunnel ram and bam I though I was good to go! the week before the 4th 2017 I put the motor in had everything hooked up get it started and not 10 seconds later it drops a valve puts a hole in the piston and head and fills up the motor with water. Very frustrated with this I give up and let the boat sit. ( I have a 21' ultra I/O and a house in havasu landing) So I still get out to the lake.
Fast forward to now Motor is out and is being professionally built from ground up. 496 Stroker head work custom cam ETC shooting for a reliable 600 HP on pump gas. Boat is being completely stripped except for the pump which maybe has 4 trips since it was rebuild. New interior new paint new wiring etc. Also found a score at the offroad swapmeet and got this hardin scoop for $150
Heres some pics I figured im going to make the seats then send them in to get upholstered, and I will be painting it myself as well.
This is my first project with a boat Ive build many high class prerunners, trucks, and racecars so I am hoping it will be the same concept.
let me know if you see anything questionable or have any advise or knowledge on this boat
started on the sets yesterday after work
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When it sat for about a year
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The start of interior
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Looks like a cool project, good luck. With your experience in prerunners and racecars, a boat fits right in-they all take way more money and time than you’ll ever get out of em...
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Gotta love expensive hobby’s
Seats just about wrapped up just need to finish cup holders which should be arriving today. The side panel cutouts for speakers then time to drop them off at the upholstery shop.
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Finally got my motor back!
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Lookin good. I like all the black

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Some more pictures. Ready to plumb and wire now. Then new carpet in the front section and install the upholstery
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Carpets in. Upholstery is back fittings are ordered. Time to wire this thing!
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Front speakers
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Well haven’t don’t much lately because I was having a hard time finding a stainless impeller for my jacuzzi pump so Saturday I picked up a dominator pump. Going to send it over to jack at mpd after I get everything set up. Yesterday I cut out the old intake (pain in the ass) set the new intake In cut out the hull for the set back. Today I’ll fiberglass in the front section off the hull where the intake goes. I just ordered a shoe so waiting for that to come in so I can machine my intake then set it all in place and glass it In.
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Top side half way done. Just need to sand it then apply another coat of epoxy resign. I’ll get to the bottom when the flip the boat over to sand and prep for paint.
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nice work :thumbup:
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Really appreciate the Share. NiceJob
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Really appreciate the Share. NiceJob
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Picked up some more pump parts today from jack and mpd. Now I can flip the boat back over install the intake flip it back over sand everything smooth make the trans one plate then finally I can send it off to paint.
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Gotta love new parts!
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