Author Topic: '86 CVX 18 Re-assembly  (Read 18690 times)

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Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #60 on: May 13, 2017, 09:35:31 AM »
Now that I've got the carb clean and the engine running great, I need to verify the gas tank is clean.  I've looked through Friscoboater's video library on the rebuild but didn't hear any details on the gas tank. The sending unit is new but I don't want to assume the tank is clean. Does anyone have any experiences to share about inspecting / cleaning the tank?  Pipe inspection camera snaked down the filler hole?


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline Plugcheck

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Re: '86 CVX 18 Re-assembly
« Reply #61 on: May 13, 2017, 09:58:02 AM »
Without going back and re reading the resto process I'm not certain if this was completed previously.  Since it's not an easy removal, though easier than a belly tank, I'll offer this suggestion.  If it not an electric pump, then find one you can temporarily plumb in.  Not to drive the engine, but rather to sample the current fuel.  Take a sample and inspect the liquid for debris, rust, water, or other contaminants.  How does it smell?  Old?  Metal tanks rust at the bottom from water in the fuel.  If left to stand in a mason jar, water will quickly separate.  The best way would be to pull the tank and look inside.  Given the new sender and having watched his videos, he likely dealt with any tank issues.  If the sample seems good but a bit old, use the electric pump to completely drain tank, refuel, and replace the filter.  If the tank is really rusty, I'd oot for a poly tank, fuel leaks are particularly troublesome in boats, don't take a chance.
Michael
1979 CVZ-18 388 CI Vortec Mouse
1980 CVX-16SS 140 Mercruiser
1979 CVX-16 Johnson 175
2002 Bennington 2275CC 90 Mercury
1985 Intimidator project
1989 Lowe 200 Redneck fishin Toon
2001 Godfrey Sweetwater pontoon 115 Rude

Offline carlsoncvx18

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Re: '86 CVX 18 Re-assembly
« Reply #62 on: May 13, 2017, 10:12:27 AM »
Aluminum tank should be what you have.  If the sending unit was changed the tank had to be removed which it probably was. At that time I think he would have inspected it. Will not be the easiest thing to remove as the kick board would have to be removed to get the tank out.

I run a good in line filter run for a while and monitor.
1987 CVX18.     1968 Glastron alpha sail boat
1977 GT150
1986 CV23
1984 Intimiadator
1981 CV27
1969 V-180 fundeck

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #63 on: May 13, 2017, 11:35:25 AM »
Yes the tank is aluminum and it was removed during the rebuild. A new sender was installed at that time. I hooked up an electric fuel pump to see what I could get out of the tank, but it seems dry. I guess I could add a couple gallons and try the pump again to see what condition the fuel is on the way out.   I'd love to peak inside with a camera, but it looks like I'd have to buy one since that don't seem to be rentable. An inline filter would be a good ins policy.


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline Plugcheck

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Re: '86 CVX 18 Re-assembly
« Reply #64 on: May 13, 2017, 12:33:42 PM »
I would doubt there are any issues with the tank if it's not held fuel since reinstallation with new sender.  You could put in a couple gallons, let it sit, then pump out to check if you like.  A fuel filter/water separator should be mandatory.  Most mercruisers cam with them, they look like small oil filters.  Change every year.  Should not be hard to find.  Given the year and engine used, I'd be surprised if it didn't have one already.
Michael
1979 CVZ-18 388 CI Vortec Mouse
1980 CVX-16SS 140 Mercruiser
1979 CVX-16 Johnson 175
2002 Bennington 2275CC 90 Mercury
1985 Intimidator project
1989 Lowe 200 Redneck fishin Toon
2001 Godfrey Sweetwater pontoon 115 Rude

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #65 on: May 13, 2017, 12:47:11 PM »
There is a fuel filter near the fuel pump and it is new. I was considering an additional in-line filter but unsure if that would impact fuel flow. I'll throw a couple gallons in to see what I get coming out. I agree that if the tank has been empty since reinstall it should be okay.


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline thedeuceman

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Re: '86 CVX 18 Re-assembly
« Reply #66 on: May 13, 2017, 01:02:37 PM »
If you decide you need to look inside I have one of them cameras


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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
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74 CV-16... its Purple !

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #67 on: May 13, 2017, 07:07:47 PM »
I was able to borrow a camera and take a peek inside the fill hole. The inside of the tank looks very clean - almost like freshly brushed alum.  I'll put in a few gallons and pump it out ... to be double sure, but I think I'm good to go


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #68 on: June 25, 2017, 10:04:43 AM »
Finally getting back on the CVX reassembly after graduating my sons . I've installed the rear seat frame but I'm not entirely sure how the hinges were attached. I found two carpeted blocks in my box of parts that I installed as hinge blocks and now I need to attach the seat. The seat back is attached to the fiberglass flange at the rear, but is it also attached to the floor?  I have a bag full of alum angles that must go somewhere.


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline CVX Fever

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Re: '86 CVX 18 Re-assembly
« Reply #69 on: June 25, 2017, 03:24:02 PM »
The base of the seat is attached to the floor. One my boat the factory installed two angle brackets that attached to the front of the seat base. Make sure your in far enough towards the center of the boat so you don't put a screw through the hull. I'd put an angle bracket over the top of each stringer to give the screws something to really bite into, although anywhere on the floor is probably fine. You can bed the screws w/silicon to keep any water/moisture from working it's way into the wood that's underneath the fiberglass in the floor.
1979 CVX18 "Back in Black"....someday!
1985 CVX18 " Only thing better than 2 CVX18's is 2 girlfriends!

Offline CVX Fever

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Re: '86 CVX 18 Re-assembly
« Reply #70 on: June 25, 2017, 03:32:32 PM »
Also your engine cover and side cushions attach w/piano hinges to the back of the seat. Before your mount the seat check the fit. My boat had spacers between the back of the seat and the fiberglass flange to space the seat correctly. In the picture your seat looks like it is sitting too far back but it may be OK. Some variability in these boats. If you look close you can see the wood spacer in the picture

« Last Edit: June 25, 2017, 03:38:52 PM by CVX Fever »
1979 CVX18 "Back in Black"....someday!
1985 CVX18 " Only thing better than 2 CVX18's is 2 girlfriends!

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #71 on: June 26, 2017, 11:35:30 AM »
I test fit the engine hatch and I had the rear seat setting about 1.25" to far back. When you mentioned a spacer block, I went to the bin of spare parts and found two carpeted blocks that looked like the belonged in between the flange and seat back. All seems to fit well now.


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #72 on: July 01, 2017, 04:24:46 PM »
With great anticipation I splashed the boat today and ran into a couple issues. When I started the engine, it started in forword gear so i checked out the shift cable and found the cotter pin that hold the adjustment barrel was missing.  I had a safety pin in the car, so I got that resolved. Now it seems ive got a fuel delivery issue because it starts and idles but as soon as I give it any throttle it dies and is very difficult to restart. Hannay's  ran the engine, adjusted the shift points and also had it a the dyno, so the only thing that has changed is the fuel is now coining from the tank. The fuel/ water separator is new. Could it be the check valve at the tank?


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #73 on: July 09, 2017, 01:38:37 PM »
I don't have a fuel delivery issue so I'm thinking it may be the neutral  safety switch?  Switch itself works fine and it seems to be adjusted correctly, so I'm not entirely sure of the issue. I also had my trim motor go out in the process of all the testing. Solenoids are working, but the pump just whines a bit and gets hot quickly. 


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Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline ScottsCVX

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Re: '86 CVX 18 Re-assembly
« Reply #74 on: July 13, 2017, 01:12:20 PM »
Anyone have a recommendation for a launch on the St Croix, north end?  Hudson, Lakeland, Afton?  I assume weekends get busy quickly, so is a 9 AM launch early enough to grab a parking spot?

The starting & running issues were due to the shift cables being out of adjustment.  I also have a new trim motor, so its finally go time :)
Scott
87 CV 23
79 CV 23
86 CVX 18
84 CVX 16 120hp Johnson
74 GT-160 120hp Mariner

Offline thedeuceman

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Re: '86 CVX 18 Re-assembly
« Reply #75 on: July 13, 2017, 01:17:40 PM »
The Hudson municipal launch is decent, and there's usually parking spaces there, I think it's 15 bucks. There's also a private pay launch just north of there kind of by the marina on the east side of the river. I have also Launched many times at beanies in Lakeland just south of Highway 94 on the Minnesota side


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Joe
75 GT150 "SeaDeuced"... Its Back !!
92 16CSS "Attitude Adjustment" is for sale
75 CV-16V8, Project
74 CV-16... its Purple !

Online Hyperacme

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Re: '86 CVX 18 Re-assembly
« Reply #76 on: July 13, 2017, 02:11:24 PM »
9:00 is pretty early, most don't get out till noon.

I did a search for "St.Croix boat ramps" and got this page ...

https://www.google.com/#q=st+croix+boat+ramp&rflfq=1&rlha=0&rllag=45020230,-92784145,6823&tbm=lcl&tbs=lrf:!2m1!1e2!2m1!1e3!3sEAE,lf:1,lf_ui:2&rlfi=hd:;si:;mv:!1m3!1d64285.01593265731!2d-92.80060674248045!3d45.01377675327915!3m2!1i946!2i547!4f13.1&spf=1499972635900

I like Wind Mill in Afton, because it a short distance from my house, there dock people to help launch and load and golf carts to bring you to your truck ... Ya I'm lazy ... $24 on weekends ...
« Last Edit: July 13, 2017, 02:13:36 PM by Hyperacme »

Offline Jason

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Re: '86 CVX 18 Re-assembly
« Reply #77 on: July 13, 2017, 04:39:14 PM »
9am is kind of the cut off time for the hudson ramp on a nice weekend day. The lot just south of there with the dirt lot will fill up later. Otherwise 4pm is great as everyone comes in at that time.
Jason S.
1974 Glastron Carlson CV16SS 140 I/O
1986 Glastron Carlson CV23 260 I/O