Re: Short-block Stuck! Help!
[Re: JohnRR]
#1014558
06/17/11 11:07 AM
06/17/11 11:07 AM
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Joined: Mar 2004
Posts: 2,963
Wisconsin
Stewpar
OP
master
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OP
master
Joined: Mar 2004
Posts: 2,963
Wisconsin
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Quote:
Are you trying to save the pistons ?
First I took a wire wheel on a drill and cleaned the cylinders above the pistons as best I could , then I tipped it so one cylinder bank was up and sprayed in the PB and let it sit for a day or 2 , did the same thing to the other side. Then I hit the tops of the pistons then worked the crank back and forth with breaker bar and a cheater pipe ( i have a socket that goes over the crank snout after you pull the balancer) , hit pistons again , sprayed in more PB , rinse and repeat, got it to eventually turn completely over after about a 1/2 hour of this .
Yes, motor was completely rebuilt and never fired about 10-15 years ago. It turned over last summer, but sat W/O the heads on the motor all winter long. I will give your idea a shot and see what happens, thanks! 
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Re: Short-block Stuck! Help!
[Re: Stewpar]
#1014561
06/17/11 01:49 PM
06/17/11 01:49 PM
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Joined: Jan 2003
Posts: 75,047
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,047
U.S.S.A.
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Quote:
Quote:
Are you trying to save the pistons ?
First I took a wire wheel on a drill and cleaned the cylinders above the pistons as best I could , then I tipped it so one cylinder bank was up and sprayed in the PB and let it sit for a day or 2 , did the same thing to the other side. Then I hit the tops of the pistons then worked the crank back and forth with breaker bar and a cheater pipe ( i have a socket that goes over the crank snout after you pull the balancer) , hit pistons again , sprayed in more PB , rinse and repeat, got it to eventually turn completely over after about a 1/2 hour of this .
Yes, motor was completely rebuilt and never fired about 10-15 years ago. It turned over last summer, but sat W/O the heads on the motor all winter long. I will give your idea a shot and see what happens, thanks!
In this case don't use my method , especially hitting the pistons, instead of PB blaster use some kerosene , get oil in it after you get it unstuck. Also make sure it's not dry bearings holding it stuck
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Re: Short-block Stuck! Help!
[Re: JohnRR]
#1014562
06/17/11 01:53 PM
06/17/11 01:53 PM
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Joined: Nov 2005
Posts: 15,119
85086
moparpollack
Lil Herman
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Lil Herman
Joined: Nov 2005
Posts: 15,119
85086
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Diesel/fuel oil also works very well. Lotsa detergent and the oil frees up the crud.
56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
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Re: Short-block Stuck! Help!
[Re: bobby66]
#1014564
06/19/11 08:46 PM
06/19/11 08:46 PM
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Joined: Mar 2004
Posts: 2,963
Wisconsin
Stewpar
OP
master
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OP
master
Joined: Mar 2004
Posts: 2,963
Wisconsin
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Alright, I used a dentist tool to scrape all around the piston edge to get the gunk out. Then I sprayed Kroil all around over the last two days. Used a short 2x4 and tapped each piston a few times throughout both days. Put a 4 ft. pipe over my breaker bar, and she still won't budge???? What am I missing here............
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Re: Short-block Stuck! Help!
[Re: Stewpar]
#1014565
06/19/11 08:48 PM
06/19/11 08:48 PM
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Joined: Mar 2005
Posts: 862
Iowa State fan
kilroy
super stock
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super stock
Joined: Mar 2005
Posts: 862
Iowa State fan
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Rubbing alcohol will also work. Sounds crazy but sometimes.
1973 Charger, former SE, former auto
I'm not trying to be difficult, it comes naturally....
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Re: Short-block Stuck! Help!
[Re: kilroy]
#1014566
06/19/11 09:45 PM
06/19/11 09:45 PM
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Joined: Feb 2003
Posts: 4,798
Castlegar, BC, Canada
That AMC Guy
master
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master
Joined: Feb 2003
Posts: 4,798
Castlegar, BC, Canada
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I use a concoction of diesel, ATF & WD40. I sometimes wonder myself if the WD40 does anything, but I've unstuck several engines now using my goop. I've always had to do this with heads ON, so hose the cylinders down with WD40. Next, equal parts diesel and ATF into each hole.
Usually takes 3 days to work it's magic. If it's stuck rings, it'll work. If the cylinder is rusty, it's rebuild time.
Bloody Mary, Full of Vodka, Blessed art thou among cocktails....
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Re: Short-block Stuck! Help!
[Re: That AMC Guy]
#1014567
06/19/11 10:50 PM
06/19/11 10:50 PM
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Joined: Mar 2004
Posts: 2,963
Wisconsin
Stewpar
OP
master
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OP
master
Joined: Mar 2004
Posts: 2,963
Wisconsin
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Engine was re-built back in the mid 90's and sat. When I removed the heads, there was some rust dust that got into the cylinders upon removal. The cylinder walls are excellent?
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