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PUMAGUY Samba Member
Joined: July 20, 2020 Posts: 12 Location: CT
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Posted: Mon Jan 11, 2021 9:11 am Post subject: Stuck engine recommendations ? |
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Hi, I just picked up two engines. One was complete but has been sitting for a while and is stuck. The other was under water without heads on it. The wet one turns but I think the cam is broken, the distributor does not turn. What do you use to loosen up a stuck motor? How long should it sit before harping on it? I figured that I would fill the cylinders with Marvel mystery oil? Thank you, Tony[/img] |
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Chickensoup Samba Member

Joined: January 06, 2018 Posts: 5395 Location: Good Hope, GA
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Posted: Mon Jan 11, 2021 9:17 am Post subject: Re: Stuck engine recommendations ? |
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marvel mystery + ATF mix. ive use a 50 50 ratio. works for me. _________________ -'85 c10 5.3 LS, cam, heads, long tubes, x pipe, 3 inch spin tech's
-'01 e46 325ci *tree modded
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP |
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BIGMIKEY Samba Member

Joined: September 24, 2007 Posts: 1137 Location: North East Pennsylvania
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Posted: Mon Jan 11, 2021 11:05 am Post subject: Re: Stuck engine recommendations ? |
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Pull the spark plugs and stick an air hose in the cylinders to try and blow out any rust or crap that might be in there first before you goop it up with oil.
Mike T _________________ BIGMIKEY
Deserter Series 1 project.
https://www.thesamba.com/vw/forum/viewtopic.php?t=787047&highlight=
1973 Beetle Driver, Marina Blue. |
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fl59bug Samba Member
Joined: November 23, 2005 Posts: 2072 Location: North Carolina
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PUMAGUY Samba Member
Joined: July 20, 2020 Posts: 12 Location: CT
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Posted: Mon Jan 11, 2021 12:19 pm Post subject: Re: Stuck engine recommendations ? |
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Thank you, that video was harsh, this is not that bad. I've heard of using ATF and Acetone 1/2 and 1/2. I'm going to use the Marvel first. I vacuumed out everything I could, there was a pistachio shell in one side of the intake. The passenger side rear spark plug was corroded green I guess this valve was open. The other 3 plugs looked normal. So who knows what's inside? I wish I had one of those camera's you can look inside with. Thanks , Tony |
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Chickensoup Samba Member

Joined: January 06, 2018 Posts: 5395 Location: Good Hope, GA
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Posted: Mon Jan 11, 2021 12:27 pm Post subject: Re: Stuck engine recommendations ? |
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dont rush it. or else you can easily scratch the pistons due to the rust in the cylinders. if you have a bore scope, you can determine which cylinders are rusted. you may get lucky, and if its one cylinder, or 1 and 2, or 3 and 4, you can rotate the pistons going towards bdc. that way you can save the pistons. i would remove the cylinders once you freed it. if theres rust, it will be above the compression rings. so moving the pistons towards tdc, will only do harm. _________________ -'85 c10 5.3 LS, cam, heads, long tubes, x pipe, 3 inch spin tech's
-'01 e46 325ci *tree modded
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP |
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Igpoe Samba Member
Joined: February 24, 2019 Posts: 854 Location: South Boston, VA
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Posted: Mon Jan 11, 2021 7:26 pm Post subject: Re: Stuck engine recommendations ? |
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1 part acetone to 3 parts atf. Turn bottom upwards after 24 hrs and let soak another 24. Use socket and long pull bar and try rocking it back and forth. If it starts to move.........keep rocking a little further each time untill you have juice on your sneakers. Visually inspect. Send pictures to Samba for additional advice |
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oprn Samba Member

Joined: November 13, 2016 Posts: 14746 Location: Western Canada
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Posted: Tue Jan 12, 2021 5:50 am Post subject: Re: Stuck engine recommendations ? |
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If the engine os out of the car just pull the heads off and in 10 minutes you will know the story. _________________ Our cars get old, we get old but driving an old VW never gets old! |
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PUMAGUY Samba Member
Joined: July 20, 2020 Posts: 12 Location: CT
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Posted: Wed Jan 13, 2021 3:44 pm Post subject: Re: Stuck engine recommendations ? |
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I'll have to pull off the heads and see, you are wright I as being lazy. The other motor I pulled the barrels and pistons off. It would spin then get stuck. I pulled the fuel pump off and it spun pretty good. The distributer was not turning so I pushed the input in fully seated and the motor seems to spin better counter clockwise than clockwise? Is there anyway to inspect the gears on the cam with out splitting the case? I can see somewhat through the fuel pump hole. |
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