Timing on L-134 engine - JeepForum.com

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post #1 of 18 Old 10-15-2011, 11:04 PM Thread Starter
brad31021
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Timing on L-134 engine

I went of the deep end and sold my 97 TJ and banked the money but spent a little on a project Flat Fender. Currently just trying to get it to run before tearing down and rebuilding. It turns over but spits fire out the carb. I suspect the timing is of but can not find what the #1 plug should be on the distributer. Based on the piston position on #1 piston the rotor is firing after or at DTC. Any advice on setting the timing corrrectly would be greatly appreciated. I can not find any markings on the pully or on the fly wheel. It is a L-134 engine.
Please note the blue coil wire is between the number 4 plug post and the number 3 plug post I think. My buddy states his clips for the distributor is straight up and down and not in the same position as mine.

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IMG_0059.jpg   IMG_0060.jpg   IMG_0063.jpg   IMG_0061.jpg  
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post #2 of 18 Old 10-16-2011, 12:47 AM
Mickey_D
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I looked all through the Willys shop manual and the only thing I got was where the timing marks are. The description they say on how to set the distributor timing is to get the #1 piston TDC and align the #1 spark plug on the cap with the rotor.

The manual says ignition timing is 5*BTDC. Can't for the life of me find the firing order and it's too dark outside for me to see right now.

Here's a pic of the timing mark:
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post #3 of 18 Old 10-16-2011, 01:16 AM Thread Starter
brad31021
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Thanks, that is about what I have what I have been reading. Send some picks of what your wiring is if you get a chance tomorrow.
TKS
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post #4 of 18 Old 10-16-2011, 03:03 AM
ralf
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the firing order is cast onto most heads. A search on the CJ2A forum will answer most of your questions. Several good wiring diagrams are posted. Your dizzy angle is correct. You won't find timing marks on the pulley like the illustration, the marks are on the fly wheel. There should be a small hole above the starter to see the marks. Originally there was a swing away cover over the hole.
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post #5 of 18 Old 10-16-2011, 11:05 AM
Mickey_D
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ralf, I just realized why my info was incorrect - I've got the F134, you guys are talking about the L134.

Sorry about that, Brad.

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post #6 of 18 Old 10-16-2011, 12:56 PM Thread Starter
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Thanks to both of you. What do you mean by dizzy angle Ralf?
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post #7 of 18 Old 10-16-2011, 01:49 PM
ralf
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I misread your post. I meant that the angle of your distributor looks like it should. You cant' go by thr location of the cap clips because your distributor may not be clocked right and your flywheel could have been installed 180 degrees out. You need to search the CJ2A forum which addresses all of these issues. I am in the same boat as my new 6 volt dizzy (distributor) arrives tomorrow and I have to figure all of this out. Begin by finding top dead center for no. one cylinder. You can only do this by a finger over the plug hole to find the compression stroke when it blows your finger off the hole when you turn the engine over by hand. At that point the timing marks will show through the small peep hoe. But, during the no. one piston exhaust stroke the timing marks will also be in the peep hole..
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post #8 of 18 Old 10-16-2011, 01:55 PM Thread Starter
brad31021
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I read that as well, looks like I will have to invite my buddy over to turn engine. Hard to turn with one hand and an old loose fan belt. :-) Good luck with yours.
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post #9 of 18 Old 10-16-2011, 02:56 PM
ralf
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I use a 3/4 drive ratchet with an 1 3/8" socket to turn over the engine.

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post #10 of 18 Old 10-16-2011, 03:56 PM
Mickey_D
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Or get a starter "bump" switch. It's a thumb button in a hand held thing with two wires with alligator clips. One clip goes on the battery +, the other on the starter solenoid. You can then "bump" the starter with one hand (with the ignition off so now worries about it try to start on you) and use the other hand to feel for the compression stroke.

http://www.napaonline.com/Catalog/Ca...124_0006402985

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post #11 of 18 Old 10-16-2011, 04:55 PM Thread Starter
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Good ideas, will try both. Why did you go with 6 volt dizzy instead of converting to 12 volt?
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post #12 of 18 Old 10-16-2011, 07:01 PM
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post #13 of 18 Old 10-16-2011, 07:04 PM
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post #14 of 18 Old 10-16-2011, 08:07 PM
ralf
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Why stay with 6 volts? Because I can, I guess. I did upgrade from 6 volt generator to 6 volt alternator. Mine is a 47 CJ2A build. I did put disk brakes on the front and 10" drums on the back.
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post #15 of 18 Old 10-16-2011, 10:05 PM
BagusJeep
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If I am not mistaken the first pic has the firing order cast into the head: 2 4 3 1

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