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Old 03-08-2021, 07:18 PM   #31
1962siia
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Today I got the tank "finished". For now anyway. I drained the vinegar and soaked the tank in warm water/baking soda for 20 mins and then rinsed with warm water a few times and then really attacked the inside with the pressure washer. Then I dried it with a heat gun and rinsed one more time with a mixture of acetone/marvel mystery oil, and then fogged it with stabil fogging oil. I let that stuff sit for a bit and then after cleaning the petcocks one more time I got the tank back on the bike and put fuel in it.

Some chunky stuff came out of the tank. It was seriously coated with rust and varnish inside. I'm impressed with how clean it came out.

First pic is varnish tank turd, second is how it looks now.



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Old 03-08-2021, 08:55 PM   #32
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Glad the vinegar trick is working well! Worked wonders on my TLR.

This is probably the best vintage "find" you have acquired yet. Does this mean your Triumph project is going to get "rehomed" to another barfer? lol
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Old 03-08-2021, 09:40 PM   #33
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Damn Daniel.

Rock the build brother.

So cool.
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Old 03-09-2021, 01:58 PM   #34
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Wait a minute, the post of the clean tank it from yesterday eve, pics looked to have been taken in the afternoon...it already 2p.m. THE NEXT DAY and we still don't have pics of you riding it!? That is a BARF travesty right there....

Cool buy, thing looks like a euro harley in every way. Bet it sounds nice too!
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Old 03-09-2021, 02:58 PM   #35
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I know its ridiculous but I had to go to work today. I did however hit AAA on my way home and got it registered so its officially rideable now. And its raining, and everyone knows I'm a fair weather biker.

Hopefully tomorrow I'll get to ride it!
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Old 03-09-2021, 04:49 PM   #36
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I just took it for a spin! Super fun bike. Fuel lines are leaking somewhere so need to replace them but it is a blast. Will be looking for some slightly louder pipes. Somehow it seems appropriate on this bike.
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Old 03-09-2021, 05:05 PM   #37
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I just took it for a spin! Super fun bike. Fuel lines are leaking somewhere so need to replace them but it is a blast. Will be looking for some slightly louder pipes. Somehow it seems appropriate on this bike.
Dunstall used to do wonders for Norton Commandos, I wonder if there are anything like those around?

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Old 03-10-2021, 05:18 AM   #38
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I just took it for a spin! Super fun bike.
Alright! That's what I'm talking about, good to hear you got it out for a quick one. Good thing it was quick with the leaky fuel lines though. Thanks for the update.
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Old 03-10-2021, 05:27 PM   #39
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Got a 8 mile loop in today. Solved the fuel leak with a new hose clamp. The bike is fun. I’ll probably be fiddling with the carbs and points all the time but it feels good! Timing is spot on and advance mechanism is working properly. I’m calling it good to go! Hoping to get a decent 50-100 mile ride in this week sometime. Woot!
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Old 03-11-2021, 09:27 AM   #40
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that's freaking cool.

for the tanke de-rust plan is there any point that you can pause the process before getting to the "fog with anti rusting stuff?"

i ask because i have rusty tanks also, but free time with kids work and life is pretty limited. 1 hour per weekend if i'm lucky for tasks that aren't yardwork... i know. first world problems.
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Old 03-11-2021, 10:18 AM   #41
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So after rinsing I poured in about 500ml of acetone and half a jug of marvel mystery oil and sloshed it around. I think that would have been good enough and the fogging oil was just extra. You could drain rinse and coat in less than an hour for sure.
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Old 03-11-2021, 10:19 AM   #42
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This morning I checked the valves and they were all just a skosh tight. Now they’re perfect. Hoping to ride the bike this weekend. Super happy with purchase and resurrection. Thanks all.
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Old 03-11-2021, 10:27 AM   #43
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Muriatic acid takes minutes to do a more thorough job than vinegar.
Just be sure not to leave the bare metal afterwards as it will flash rust badly after the h20 rinse.
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Old 03-14-2021, 12:09 PM   #44
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Took the bike on a 70 miles shakedown ride today. Headed west through Sonoma Co. out to Tomales and south on 1 to Marshall and then east into Novato. Bike ran great! Took 101 north back home and it felt good on the freeway too, but I might have been hearing detonation on the Cotati grade. Not sure, could have just been valve noise because these bikes are pretty clacky. I'll double check the timing. Anyway its a blast to ride!
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Old 03-14-2021, 12:23 PM   #45
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Bike ran great! Took 101 north back home and it felt good on the freeway too, but I might have been hearing detonation on the Cotati grade. Not sure, could have just been valve noise because these bikes are pretty clacky. I'll double check the timing. Anyway its a blast to ride!


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Appearing outwardly unchanged from the Ambassador, the Eldorado nonetheless featured a number of significant upgrades. Combined with the 83 mm bore used to boost the Ambassador's output, Guzzi's engineers stroked the Eldorado's all alloy, 90-degree twin to 78mm, bumping displacement to 844 cc. New pistons raised the compression ratio to 9.2:1, giving the Eldorado a healthy 64.5 (crankshaft) horsepower at 6500 rpm.
wonderful motorcycle you have there.

wonder if the owner’s manual calls for high-test gasoline ...?
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