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Author Topic: 78GL1000 gas tank  (Read 2592 times)

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Offline Don R

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78GL1000 gas tank
« on: July 04, 2018, 09:24:36 PM »
 Is it realistic to search for a rust free one or should I continue to run two filters all summer and acid wash it next winter?  I add an oz of synthetic 2 stroke oil to every tank of nonalcohol gas to try to keep the rust at bay but the carbs have a red shadow inside again. I thought it was stabilized and went to the single stock fuel filter. Bad idea.
 My carb guy loaned me a set of 83 carbs for the 79, they worked great and got decent mileage. I should have bought them and left them on it.
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No matter how many times you paint over a shadow, it's still there.
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Offline Bankerdanny

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Re: 78GL1000 gas tank
« Reply #1 on: July 05, 2018, 01:23:48 PM »
I would think you would be able to find one without too much trouble.
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Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline simon#42

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Re: 78GL1000 gas tank
« Reply #2 on: July 05, 2018, 01:41:19 PM »
i am trying to find one in england without much luck but as danny said they should be plenty a round on your side
i would get one though if the carbs get full of crap again they are a pain to sort out
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Offline Don R

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Re: 78GL1000 gas tank
« Reply #3 on: July 06, 2018, 09:22:00 AM »
 I still have a miss at part throttle. Things I've done, Changed the carb rack, cleaned the carbs two times myself, a pro once. New fuel pump, several fuel filters usually two inline, dyna ign, 1500 coils checked multiple times, new wires, new plugs twice, new caps, timing belts, idler pulleys, roto rooted the petcock feed, metered the fuel flow, It did run well to Sturgis with borrowed 1100 carbs, that's why I sent the carbs out to that guy for a rebuild. I've also replaced the intake o rings and siliconed the manifolds to the carbs internally. Valve lash, compression test although it was long ago enough I'm ready to check it again and maybe a hot leakdown test.  Idle is ok and full throttle is ok, the plugs read good. It has Denso u groove plugs right now. I should have bought the 83 1100 loaner carbs and left it alone when it was at it's best.
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No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Don R

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Re: 78GL1000 gas tank
« Reply #4 on: July 09, 2018, 09:41:46 PM »
 Saturday it missed, sunday at 2 am coming home it was worse. I ran the carbs empty and Sunday afternoon it went 60 miles and didn't miss a beat. This morning it was crap again. Must be the floats because it only runs good with the missus on the back. l0l.
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No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.

Offline Bankerdanny

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Re: 78GL1000 gas tank
« Reply #5 on: July 10, 2018, 08:22:56 AM »
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"The problem with quotes on the Internet is that you never know if they're true" - Abraham Lincoln

Current: '76 CB750F. Previous:  '75 CB550F, 2007 Yamaha Vino 125 Scooter, '75 Harley FXE Superglide, '77 GL1000, '77 CB550k, '68 Suzuki K10 80, '68 Yamaha YR2, '69 BMW R69S, '71 Honda SL175, '02 Royal Enfield Bullet 500, '89 Yamaha FJ1200

Offline dusterdude

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Re: 78GL1000 gas tank
« Reply #6 on: July 10, 2018, 04:39:13 PM »
I have 3 rusty 1100 tanks.

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1972 k1 750
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Offline Don R

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Re: 78GL1000 gas tank
« Reply #7 on: August 21, 2018, 08:26:00 PM »
 I should have bought that gas tank when I could lol.  I posted in the 20 year sleeper thread my latest theory.
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No matter how many times you paint over a shadow, it's still there.
 CEO at the no kill motorcycle shop.
 You don't need a weatherman to know which way the wind blows.
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