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Topic Summary

Posted by: PaulS
« on: April 30, 2013, 12:28:20 AM »

Well, I feel dumb.  I went back look again, and there was the petcock, right behind the alternator.  It's block casting # 638632, same as in the picture I linked to, and the petcock is in the same place as the picture.  I don't know why I didn't see it yesterday, other than it was awfully grimy, and I used a better light today...

Posted by: PaulS
« on: April 29, 2013, 11:16:13 AM »

Clicking on some links, I found this:



That one would be under the alternator.  And if I correctly understood what I just read, the fact that the S/N is on the water pump boss means that the block may well be the same casting # as this one.  I'll check when I get home tonight.

Still, there was no petcock under the alternator--I looked.  But there may be a bolt there.

-Paul
Posted by: garage gnome
« on: April 29, 2013, 10:27:58 AM »

Yep, what Tim said. That is where the one is on my '53.
Posted by: athawk11
« on: April 29, 2013, 10:21:07 AM »

There are engine blocks that have the drain position further toward the rear. �

Take a look at the photo in this 503 thread....


http://g503.com/forums/viewtopic.php?f=11&t=34636

Tim
Posted by: garage gnome
« on: April 29, 2013, 10:12:17 AM »

It could have an allen head pipe plug and the socket is full of grime, so it looks like there is nothing there.
Posted by: PaulS
« on: April 29, 2013, 09:40:18 AM »

Quote
This thingy?

That's the one. �Missing in action on my block.  Thanks a lot for the photo--that really helps.

And the plot thickens--there's no bolt sticking out there, either. �I'll have to scrape the accumulation of grime off to see what really is in that spot. �But either something is really weird with this block, or it's plugged flush. �Just my luck...

-Paul
Posted by: garage gnome
« on: April 29, 2013, 07:50:54 AM »

They are also called petcocks. Yes, the word you were using is banned for obvious reasons. Glad you understand.  ;)

It should be pipe thread (I can't remember if it is 1/8" or 1/4"), so if there is a bolt in there, chances are the threads are messed up.
Posted by: Ryan_M
« on: April 29, 2013, 06:07:38 AM »

This thingy?
Posted by: PaulS
« on: April 28, 2013, 11:09:40 PM »

Hey, I didn't write "thingy".  I used the word that all the manuals use, but I can see why forum software doesn't allow it.   ;)

-Paul
Posted by: PaulS
« on: April 28, 2013, 11:08:31 PM »

Silly question, I'm sure.  But all the manuals (I've got the Willys one, plus Chilton *and* Haynes, and a reproduction of the CJ3A owners manual found online) say there's a drain * on the lower right side of the engine block.  I can't see it!  I know my engine is from a 2A, but most of those manuals cover both.  Clearly, if there was a drain *, someone has replaced it with a bolt, but I don't want to remove the wrong one.  Anyone have a picture that shows where it is?

Thanks,

-Paul