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Unread 05-07-2013, 06:40 PM   #61
GlennLever
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Quote:
Originally Posted by swatson454 View Post
Yep. Wishful thinking

The next thing that comes to mind is the advance curve. I'd like to see a couple of spark plugs when/if you get a chance or even want to mess with it.


Shawn

Spark plugs.

dsc_1184.jpg  
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Unread 05-07-2013, 06:56 PM   #62
Matt1981CJ7
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Shawn will correct me if I'm wrong, but I think the dark ring at the bottom of the porcelain indicates a rich condition in the secondaries.

We'll need a closer pic of the ground straps to see if the timing is close.

Here's what my plugs looked like after 2K miles on a fresh rebuild.

Matt
sparkplug3456.jpg  
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Unread 05-07-2013, 07:04 PM   #63
swatson454
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Matt,

I'm thinking (oh heavens) that the dark ring could be from an exposed enrichment hole at idle. The porcelain looks pretty good on the left plug but the others appear like they could be lean; which wouldn't surprise me on a stock 32/36. I don't know if a larger secondary idle jet or e-tube is the fix. Where's that a/f monitor when you need it?

I'm having one hell of a time trying to read the timing on these Jeeps I know I sure don't like those long, hot plugs. That may be why I struggle with 'em.


Shawn
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Unread 05-07-2013, 08:21 PM   #64
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What say you?


-S
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Unread 05-07-2013, 09:31 PM   #65
GlennLever
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Quote:
Originally Posted by Matt1981CJ7 View Post
Shawn will correct me if I'm wrong, but I think the dark ring at the bottom of the porcelain indicates a rich condition in the secondaries.

We'll need a closer pic of the ground straps to see if the timing is close.

Here's what my plugs looked like after 2K miles on a fresh rebuild.

Matt
I believe those plugs are a complete and vastly different heat range, are they out of your 360? I would not think that they would be a good comparison.
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Glenn R. Lever
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Unread 05-07-2013, 09:54 PM   #66
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Quote:
Originally Posted by swatson454 View Post
Matt,

I'm thinking (oh heavens) that the dark ring could be from an exposed enrichment hole at idle. The porcelain looks pretty good on the left plug but the others appear like they could be lean; which wouldn't surprise me on a stock 32/36. I don't know if a larger secondary idle jet or e-tube is the fix. Where's that a/f monitor when you need it?

I'm having one hell of a time trying to read the timing on these Jeeps I know I sure don't like those long, hot plugs. That may be why I struggle with 'em.


Shawn
These are the plugs that the manual recommends for this Jeep. Maybe I need to do something different with the absence of the AMC ignition box, computer controlled jet?

When talking with Tom about timing, I had indicated I did not remember what I set it at, but that where ever I had it it was to far advanced because when HOT it had a hard time firing and acted like it had to much compression. I took a couple of degrees out of the timing and the problem went away. Tom indicated that that would be right where you would want it.

I'll pull the timing light out in the morning.

Reading gas plug and alky plugs are completely different.

In this chart


I would say I am fourth row down first one in the beginning of hot lean

from this picture the black ring and black tip of the electrode means rich idle (this is not my plug, but a picture picked up from the net)


and the initial timing is 18 and total is around 34, and with the white porcelain lean wide open not that that's what I do, never had it wide open, the example is from reading a racing gas plug. Below are pictures of my plugs (the goop in the threads is antisense)
dsc_1186.jpg   dsc_1188.jpg   dsc_1189.jpg  
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Glenn R. Lever
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My restoration thread here on the Jeep forum
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Unread 05-08-2013, 05:08 AM   #67
Matt1981CJ7
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Those old plug charts are so out-dated....

Glenn, your plugs don't look overly lean to me. They may have a little too much timing (color change on the ground strap), but the mixture looks about right, to me.

I dunno, I don't see anything that jumps out at me from those. Perhaps you did get a lemon 32/36.

Matt
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Unread 05-08-2013, 08:04 AM   #68
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Quote:
Originally Posted by Matt1981CJ7 View Post
Glenn, your plugs don't look overly lean to me. They may have a little too much timing (color change on the ground strap), but the mixture looks about right, to me.

I dunno, I don't see anything that jumps out at me from those.

Matt
I agree. The second round of pics looks better.

Glenn,

I switched to Autolite 5503s and had better luck reading them for heat. I'm at a loss for what's making it lay down on you. Fuel delivery and float level?


Shawn
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Unread 05-08-2013, 08:17 AM   #69
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I'm still thinking it is lean in the secondaries and maybe a little to much timing. I will get the light on it later today.
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Unread 05-08-2013, 08:24 AM   #70
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Cool. The e-tube swap really woke my 38 up. You might give an F7 on the secondary some consideration. You could even drop an F6 in the primary if you were feeling really froggy.


Shawn
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Unread 05-08-2013, 10:40 AM   #71
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Cool. The e-tube swap really woke my 38 up. You might give an F7 on the secondary some consideration. You could even drop an F6 in the primary if you were feeling really froggy.


Shawn
F7 is in the works.
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Unread 05-08-2013, 11:26 AM   #72
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Glenn,

When I altitude jetted my 38, changing the emulsion tubes didn't have a breath-taking affect. I ended up using the F7s, based on Shawn's recommendation, but I really didn't notice much difference from the F50s.

For me, finding the right jets/air correctors combo had the most noticeable affect.

I just don't want you to be disappointed if the F7 tubes aren't the cure-all for the 32/36.

Matt
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Unread 05-08-2013, 11:36 AM   #73
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I just don't want you to be disappointed if the F7 tubes aren't the cure-all for the 32/36.

Matt
Yeah, I'm just throwing darts at this point.

Glenn,

If I had an unmolested F7, I'd gladly send it to you to see if it did anything. I do have an F6 if the other one helps and you want to try the primary side too.


Shawn
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Unread 05-08-2013, 11:46 AM   #74
GlennLever
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Quote:
Originally Posted by Matt1981CJ7 View Post
Glenn,

When I altitude jetted my 38, changing the emulsion tubes didn't have a breath-taking affect. I ended up using the F7s, based on Shawn's recommendation, but I really didn't notice much difference from the F50s.

For me, finding the right jets/air correctors combo had the most noticeable affect.

I just don't want you to be disappointed if the F7 tubes aren't the cure-all for the 32/36.

Matt
Quote:
Originally Posted by swatson454 View Post
Yeah, I'm just throwing darts at this point.

Glenn,

If I had an unmolested F7, I'd gladly send it to you to see if it did anything. I do have an F6 if the other one helps and you want to try the primary side too.


Shawn
I'm not playing with the 32/36, I have a 38 coming.
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My restoration thread here on the Jeep forum
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Unread 05-08-2013, 12:12 PM   #75
Matt1981CJ7
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Glenn,

We should visit the Opel forums to get rid of our 32/36s. I understand they love them in their little 1.9L rice burners.

Matt
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