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Overheated 1961 Chrysler engine out.
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hemidenis
Posted 2015-05-16 3:30 PM (#478481)
Subject: Overheated 1961 Chrysler engine out.



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Posts: 3889
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Location: Northen Virginia		After a year since a freeze plug popped off and caused an overheat, finally the 361 is out again.

The diagnostic was that 2 cylinders (1-3) were with no compression at all, so I was very worry about it. A complete overhaul after only 660 miles maybe painful but needed....

Finally after a long time, my friend took it apart yesterday and discovered that 2 exhaust valves were bent, for cylinders 1 and 3 and the push-rods are bent too. The rest of the engine is perfect.

The missing freeze plug is showing in the picture, and also the bad installation method in the others is evident too.

Edited by hemidenis 2015-05-16 3:33 PM




(11029663_338140499725325_2036623403_o.jpg)



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(11000549_338141129725262_1470546044_o.jpg)



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Attachments 11029663_338140499725325_2036623403_o.jpg (153KB - 137 downloads)
Attachments 11045690_338140673058641_761369500_o.jpg (134KB - 121 downloads)
Attachments 11000549_338141129725262_1470546044_o.jpg (174KB - 110 downloads)
Attachments 11025561_338140863058622_425774104_o.jpg (166KB - 132 downloads)
Attachments 10999019_338141619725213_309727158_o.jpg (118KB - 125 downloads)
Attachments 11030124_338141509725224_428821266_o.jpg (124KB - 116 downloads)
Attachments 11054642_338141699725205_759111417_o.jpg (140KB - 119 downloads)
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hemidenis
Posted 2015-05-16 3:44 PM (#478483 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



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Location: Northen Virginia		I just need the size of the cylinder heard freeze plugs to order some and I will ready to repair the engine..
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wizard
Posted 2015-05-16 4:45 PM (#478488 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



Board Moderator & Exner Expert 10K+

Posts: 13054
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Location: Southern Sweden - Sturkö island		Denis, please check up what seems to be a crack in the block in Picture (11000549_338141129725262_1470546044_o.jpg), or is it an optical illusion?


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hemidenis
Posted 2015-05-16 5:02 PM (#478491 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



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Location: Northen Virginia		Good eye wiz, yes i saw that crack a long time ago, now that the engine is out I'm going to repair it.
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KcImperial
Posted 2015-05-16 9:35 PM (#478520 - in reply to #478483)
Subject: Re: Overheated 1961 Chrysler engine out.



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Location: Kansas City, KS		Hope this turns out to be an easier fix than doing a full rebuild again!

Napa lists freeze plugs for the cylinder heads
Sealed Power - SEP 3811012
O.D. (Inches) : 1.375"
O.D. (Metric) : 34.925 mm
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60 dart
Posted 2015-05-17 12:08 AM (#478534 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



Expert 5K+

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Location: WHEELING,WV.>>>HOME OF WWVA		if your goin to start from scratch , you might want to have the core plug holes machined to accept cup style plugs . it'll make em easier to install and you won't have
the worry of them comin out -------------------------------------------later
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hemidenis
Posted 2015-05-17 3:58 PM (#478587 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



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Location: Northen Virginia		Thanks a lot guys for the ideas, yes the whole engine will be disassembled cleaned and painted again, only the cylinder heads repair and new rings set will be added. Still a lot of work!
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wayfarer
Posted 2015-05-20 8:22 PM (#478972 - in reply to #478481)
Subject: Re: Overheated 1961 Chrysler engine out.



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Location: Peoples Republic of Oregon		If the block is cracked and you're doing a complete overhaul, why fix the crack instead of replacing the block?
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