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Old 09 December 2013, 11:49   #121
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yeah, that's the inside of the tank. I didn't get any pictures of the weekends work except for that. Had the hull hanging from a backhoe boom for an hour or two while I swapped trailers and adjusted bunks.

Yeah, been cold here too, high 20's in the morning and only getting up to the high 50's during the day but should be back to the 70's by the end of the week :-)
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Old 09 December 2013, 12:37   #122
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Jason, looking really good. It's looking really clean. You may have convinced me to Kiwigrip my deck. I haven't looked/researched yet, will Kiwigrip stick to the aluminum top of the old fuel tank?

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This icy weather is a drag (0-10 degrees).
That is a drag. I know that I shouldn't be complaining but, we're borderline down here and I'm debating "winterizing" the Cummins before I leave town this week... Just in case!
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Old 09 December 2013, 13:06   #123
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will Kiwigrip stick to the aluminum top of the old fuel tank?
I think so, it says any primed surface. I'll find out later this week or weekend! I ordered some more zinc chromate primer to do the top of the tank. Not sure if its the best plan but I think I will just do the center and leave the 2" edge border with the bolt holes bare AL.

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Old 10 December 2013, 11:15   #124
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If you leave the edges bare, the corrosion tends to travel under the paint.

Regarding the cold weather, I poured a gallon of RV antifreeze into my sea strainer and now it's frozen solid. Pretty glad the engine is not in the boat right now. although if it was, I'd have it on a block heater.
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Old 10 December 2013, 11:47   #125
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If you leave the edges bare, the corrosion tends to travel under the paint.
Hmmmm... What's the best way then? When I get t to it, my plan was to leave an inch still bare aluminum too. How was yours done?
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Regarding the cold weather, I poured a gallon of RV antifreeze into my sea strainer and now it's frozen solid. Pretty glad the engine is not in the boat right now. although if it was, I'd have it on a block heater.
I thought that stuff was supposed to go to - 50 or so!
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Old 10 December 2013, 14:09   #126
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Yeah I thought about the corrosion getting under but the zinc chromate primer is supposed to be good about keeping that from happening with scratches and such. Anything that toxic better be good. I'll give it a try. The worst thing that could happen is I have to recoat it in a few years. It's just a small section and easily worked with. Easier than painting the edge stripe

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Old 10 December 2013, 14:52   #127
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Is this the stuff you're going to use:

I used that stuff on my dash after a wipe down with white vinegar. Seemed to stick pretty well.
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Old 10 December 2013, 16:17   #128
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yep, same stuff but I got mine from the aircraft supply and got the metalready etch also. I decided not to go with the Alodine on this, I did on the engine bracket, it's all nasty stuff.

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Old 11 December 2013, 00:15   #129
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Alodine is pretty tame compared to a lot of metal coatings. It does have free chromium, but that should rinse away and leave things reasonably safe. And I don't think the amount of chromium is all that high to begin with...

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Old 11 December 2013, 22:51   #130
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That's a big darn engine. Unfortunately I think it might need to come up a little. The cavitation plate is about 2" below the bottom if the hull

Jason
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