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 Mighty's Sears Suburban "Thor"

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AllisKidD21
Doug
mr.modified
mrshaft696
MightyRaze
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MightyRaze
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Join date : 2016-09-06
Posts : 7317

Mighty's Sears Suburban "Thor" - Page 3 Empty
PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeThu Apr 16, 2020 6:32 pm

Well.... my new muffler is telling a tale as I hadn't put heat paint on it yet.

Mighty's Sears Suburban "Thor" - Page 3 Img_2329

Hmm..... appears to be running on mostly 1 cylinder.  I see a little heat on the front, but nothing like the back.

Checked spark and it appears pretty weak. on the front.  Weak but better on the back.  Didn't realize the power reduction.  I'll do the easy thing and get a new coil.
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Murraymountain
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Join date : 2019-02-04
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PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeThu Apr 16, 2020 7:35 pm

Don't order the $12 china ones. My brother did that and it had the weakest spark I've seen on an oppy to date.
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MightyRaze
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PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeThu Apr 16, 2020 11:02 pm

Nah, no need to order one.  I did the right thing and polished up the grounds for the coil and polished up the magnet first.  Nice bright blue spark now on both plugs.  Both sides of the muffler quickly got hot at the same rate now.  Idles a bit smoother now too.

_______________________________________________
Modified Tractors:
Li'l Red 89 Murray Widebody
Kal-El 82 Murray GT
TheGreenMachine - "coming 2022"
Have a question? Ask me! Type in "@MightyRaze" in your post!
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MightyRaze
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MightyRaze

Age : 46
Join date : 2016-09-06
Posts : 7317
Forum Rep : 545
Location : Central Oklahoma

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PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeFri May 08, 2020 6:56 pm

Well, the issue came back and with a vengeance.  I guess I will need to tear into the engine.   Mad

_______________________________________________
Modified Tractors:
Li'l Red 89 Murray Widebody
Kal-El 82 Murray GT
TheGreenMachine - "coming 2022"
Have a question? Ask me! Type in "@MightyRaze" in your post!
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Crazy_Carl
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PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeFri May 08, 2020 7:24 pm

what issue came back?
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MightyRaze
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MightyRaze

Age : 46
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Posts : 7317
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Location : Central Oklahoma

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PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitimeSat May 09, 2020 10:57 pm

It appeared to be running again on one cylinder, but this time getting really hot and backfiring a little bit. I tore into it today. Pulled plugs, showed signs of super lean condition. I pulled the carb and proceeded to clean it out. It was really dirty. Put it back in and it was not spraying any gas in the carb. Checked it again and just could not figure it out. I know the area behind the main jet did not look good. Also, I could not find a wire small enough to clear one passage. I grabbed a carb my father-in-law gave me that went to the original engine for Kal. I tore it open to find it was a new carb?!!! Fuel pump on it had hardened, so I put the bad carb’s fuel pump on it. I knew it was ok. Put on the other carb and it fired right up!! It idled so smooth! I proceeded to do some testing. I was able to run the mower at half throttle full speed drive with ease. Never bogged down. Didn’t realize I was missing so many horses.

_______________________________________________
Modified Tractors:
Li'l Red 89 Murray Widebody
Kal-El 82 Murray GT
TheGreenMachine - "coming 2022"
Have a question? Ask me! Type in "@MightyRaze" in your post!
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Mighty's Sears Suburban "Thor" - Page 3 Empty
PostSubject: Re: Mighty's Sears Suburban "Thor"   Mighty's Sears Suburban "Thor" - Page 3 Icon_minitime

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