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Unread 01-31-2013, 08:01 AM   #1
bhartwell59
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1987 YJ Wrangler 
 
Join Date: Sep 2007
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4.2 block freeze plug size?

Anyone know the size I need to get?

Probably dosen't matter but.... driver's side/under 3rd cylinder

Thanks!

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4.2 '87 yj, 300,000+ miles, mopar mpi, 33" bfg mud KM2, skyjacker 4", 3.73 gears, arb lockers-f and r., tom wood's 2.07 sye conversion, tom wood's hd driveshaft, magnaflow cat/custom exhaust, 4wd rear bumper/swing-out tire carrier
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Unread 01-31-2013, 08:45 AM   #2
Que89YJ
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http://www.jeepforum.com/forum/f12/n...g-size-569524/
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Unread 01-31-2013, 08:51 AM   #3
bhartwell59
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Since I have a coolant leak I guess 2" is the one to get
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4.2 '87 yj, 300,000+ miles, mopar mpi, 33" bfg mud KM2, skyjacker 4", 3.73 gears, arb lockers-f and r., tom wood's 2.07 sye conversion, tom wood's hd driveshaft, magnaflow cat/custom exhaust, 4wd rear bumper/swing-out tire carrier
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Unread 01-31-2013, 09:35 AM   #4
Que89YJ
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I think so. Can you pull the plug and use it at the parts store to compare?
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Unread 01-31-2013, 10:11 AM   #5
bhartwell59
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1987 YJ Wrangler 
 
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Location: dallas, texas
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Already bought a 2" (according to O'reilly's computer for this part)... if it doesn't fit just right it'll be a bit of a walk to the auto parts store.

No big deal... as we all know owning a YJ means walking a lot! : )
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4.2 '87 yj, 300,000+ miles, mopar mpi, 33" bfg mud KM2, skyjacker 4", 3.73 gears, arb lockers-f and r., tom wood's 2.07 sye conversion, tom wood's hd driveshaft, magnaflow cat/custom exhaust, 4wd rear bumper/swing-out tire carrier
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Unread 01-31-2013, 12:28 PM   #6
Que89YJ
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I am stealing that one!
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Unread 02-01-2013, 02:23 PM   #7
bhartwell59
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Haha... I decided to pick up an additional smaller plug just in case.
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4.2 '87 yj, 300,000+ miles, mopar mpi, 33" bfg mud KM2, skyjacker 4", 3.73 gears, arb lockers-f and r., tom wood's 2.07 sye conversion, tom wood's hd driveshaft, magnaflow cat/custom exhaust, 4wd rear bumper/swing-out tire carrier
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Unread 02-17-2013, 01:46 PM   #8
bhartwell59
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Location: dallas, texas
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But what do you use to prevent the plug from rotating as you tighten?

Any ideas?
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4.2 '87 yj, 300,000+ miles, mopar mpi, 33" bfg mud KM2, skyjacker 4", 3.73 gears, arb lockers-f and r., tom wood's 2.07 sye conversion, tom wood's hd driveshaft, magnaflow cat/custom exhaust, 4wd rear bumper/swing-out tire carrier
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