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Very Hot Topic (More than 25 Replies) Help! 51 CJ3A (Read 79527 times)
 
SSG T
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Re: Help! 51 CJ3A
Reply #15 - 03/09/15 at 15:28:29
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Also, I found the dot on the small gear but not the big gear. Is there any other way to figure out how to put it back in???
  
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SSG T
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Re: Help! 51 CJ3A
Reply #16 - 03/10/15 at 02:48:04
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Can not stress enough I'm not a mechanic. Lol the timing gear was backwards! Whoops. Also found the dot by counting teeth on pics that show it. Starter is shot. Dropped it off to get rebuild. Let you know if she turns over tomorrow!
  
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athawk11
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Re: Help! 51 CJ3A
Reply #17 - 03/10/15 at 03:20:50
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That's actually very good news. I'm glad it's nothing worse.

Tim
  

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SSG T
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Re: Help! 51 CJ3A
Reply #18 - 03/10/15 at 04:20:36
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I turn the crank by hand and hear air. The front plate is still off but does this mean j don't have compression?
  
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SSG T
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Re: Help! 51 CJ3A
Reply #19 - 03/10/15 at 04:36:31
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Also, found a set of 2A front fenders for $40. Better shale then mine so will they fit the 3A?
  
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garage gnome
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Re: Help! 51 CJ3A
Reply #20 - 03/10/15 at 10:01:28
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SSG T wrote on 03/10/15 at 04:20:36:
I turn the crank by hand and hear air. The front plate is still off but does this mean j don't have compression?


Where do you you hear the air from?

SSG T wrote on 03/10/15 at 04:36:31:
Also, found a set of 2A front fenders for $40. Better shale then mine so will they fit the 3A?


http://www.cj3apage.com/cgi-bin/3Ayabb26/YaBB.pl?num=1421776073
  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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Re: Help! 51 CJ3A
Reply #21 - 03/10/15 at 13:38:22
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Sounds like the front towards the crank maybe?
  
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athawk11
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Re: Help! 51 CJ3A
Reply #22 - 03/10/15 at 15:23:14
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SSG,
The air sound you're hearing is created by the piston movement when you hand turn the engine.  You're okay.

Tim



  

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SSG T
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Re: Help! 51 CJ3A
Reply #23 - 03/11/15 at 05:17:35
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Thanks Tim. Should get the starter back tomorrow or next day. Do anybog you have a picture of your carb? Having trouble remembering where how the cables went and lost the phone that had the pics.  Another question, what type of oil do you guys run? Thanks for all the help guys.
« Last Edit: 03/11/15 at 09:58:31 by SSG T »  
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garage gnome
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Re: Help! 51 CJ3A
Reply #24 - 03/11/15 at 10:10:11
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I run 20w-50. It has the zzdp additive that the old flat tappet cams need for proper lubrication.

The throttle cable goes down low on the carb by the exhaust manifold. The choke is up at the top. Hopefully someone will post a better picture of the cable clamps on the carb.

« Last Edit: 03/11/15 at 10:11:05 by garage gnome »  

Nate in Western MA 1953 3A #3268, The Jalopy, '47 2A Wheelin' rig, '49 3A, #37071, unmolested, bone stock named Ted
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athawk11
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Re: Help! 51 CJ3A
Reply #25 - 03/11/15 at 14:33:47
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That's always a tough photo to get unless that's what you're after.

This is the best I came up with.  The top clip holds the choke cable.  The bottom clip holds the throttle cable...



I was running with the same set up G-gnome uses.  I recently went to the Rotella-T 15w 40.  It's an oil designed for diesel engines and it already has a good amount of ZDDP  (zinc) in it.  I like it so far.

Tim

  

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scoutpilot
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Re: Help! 51 CJ3A
Reply #26 - 03/11/15 at 15:58:01
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« Last Edit: 03/11/15 at 15:59:28 by scoutpilot »  

Old fashioned service never goes out of style.
http: // www.oldjeepcarbs.freeforums.net
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Re: Help! 51 CJ3A
Reply #27 - 03/11/15 at 16:04:08
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Mine isnt on the road yet but im running John Deere 30w oil.  Its rated for older diesel engines so it should have zinc in it.
  
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SSG T
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Re: Help! 51 CJ3A
Reply #28 - 03/12/15 at 19:07:20
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OK so she cranks over but no spark. The coil has both green and black wires. Should the positive be coming from the distributor or is that the negative. With the cap off should rotor spin when I try to start?
  
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scoutpilot
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Re: Help! 51 CJ3A
Reply #29 - 03/12/15 at 19:07:28
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The wire from the ignition switch should be on the "+" pole and the distributor wire should be on the "-".  Check your markings.
  

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