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-   -   1990 290 project boat (https://www.offshoreonly.com/forums/powerquest/379835-1990-290-project-boat.html)

DrPepper2 07-31-2023 05:58 PM

What is in the top picture ?
Looks like the inside of a Catalytic converter...

boatnt 07-31-2023 06:03 PM


Originally Posted by DrPepper2 (Post 4875095)
What is in the top picture ?
Looks like the inside of a Catalytic converter...

slip in flaps

DrPepper2 07-31-2023 07:58 PM

Ok, to restrict the water flow ?

boatnt 07-31-2023 08:47 PM


Originally Posted by DrPepper2 (Post 4875110)
Ok, to restrict the water flow ?

to prevent water from coming back into the exhaust and Hydro locking the engine

Knot 4 Me 08-01-2023 07:47 AM

FYI. Have a buddy with those flaps that poked a hole thru a cylinder wall after coming off plane at an angle and the flap didn't do the flappy thing. After some use they curl up a bit and take a set to where they don't full seat flush against the outer lip. Just keep an eye on them.

swellcraftman 08-14-2023 10:36 AM

Well the starboard engine is down for the count. After I had it running I put kroil penetrating oil in the cylinders to aid in any rings that may not have loosened all the way up. Well after letting it sit for a couple days I was going to rotate the engine by hand and fill again. To my surprise the engine had a hard stop and I could only turn the engine 1/2 way in either direction. So a couple days later I got around to loosening up the exhaust manifolds and removed the valve covers. The rockers were loose on cylinder three and the push rods got bent to crap, haven’t got into the bottom end yet but I’m guessing the piston is smoked. Got a good amount of rust in the valve covers and the push rods covered in rust so I am assuming the cylinder walls are in the same shape. Next up I’ll take a look at the port engine and see how it looks.
https://cimg1.ibsrv.net/gimg/www.off...de5a4f404.jpeg

swellcraftman 09-04-2023 05:17 PM

https://cimg3.ibsrv.net/gimg/www.off...33851f79d.jpeg
https://cimg6.ibsrv.net/gimg/www.off...7c3deaf20.jpeg
https://cimg9.ibsrv.net/gimg/www.off...6cb4dbcde.jpeg

Slowly plugging away on the boat now that the kids are back in school/sports. Got the stickers peeled off the sides of the boat. I have since used a color restorer on the boat, still a long ways to go. I pulled the out drives off to store in the basement for the Michigan winter. Working on tearing down the starboard engine to identify what it needs over the winter so I can rock and roll in the spring.

DrPepper2 09-04-2023 08:29 PM

Those stands you made for your outdrives look Great !! They look as heavy duty as the outdrive itself....

swellcraftman 09-17-2023 08:02 PM

https://cimg3.ibsrv.net/gimg/www.off...711dda2e4.jpeg
https://cimg4.ibsrv.net/gimg/www.off...efa53d7cd.jpeg
Finally got the intake pulled off, it seemed easier to leave the carb on so that’s the route I went. As I dig deeper into the engine it looks like I’ll be also digging deeper into the wallet. 😬

Brad Christy 09-17-2023 08:54 PM


Originally Posted by swellcraftman (Post 4880164)
https://cimg3.ibsrv.net/gimg/www.off...711dda2e4.jpeg
https://cimg4.ibsrv.net/gimg/www.off...efa53d7cd.jpeg
Finally got the intake pulled off, it seemed easier to leave the carb on so that’s the route I went. As I dig deeper into the engine it looks like I’ll be also digging deeper into the wallet. 😬

Swell,

B ring
O n
A nother
T housand

Thanks. Brad.


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