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Search: Posts Made By: Matt1981CJ7
Jeep Forums: Jeep CJ Forum   03-29-2020, 09:39 PM
Replies: 33
Views: 629
Posted By Matt1981CJ7
I hate to be a repeating record, but post some...

I hate to be a repeating record, but post some good pics of you spark plugs. Then weíll go from there.

Matt
Jeep Forums: Jeep CJ Forum   03-29-2020, 09:28 PM
Replies: 31
Views: 795
Posted By Matt1981CJ7
Ugh. Quit chasing your tail and pull a few plugs...

Ugh. Quit chasing your tail and pull a few plugs to determine if itís a fuel or ignition issue.

Matt
Jeep Forums: Jeep CJ Forum   03-29-2020, 10:30 AM
Replies: 2
Views: 92
Posted By Matt1981CJ7
I used the Sealed Power exhaust gaskets from...

I used the Sealed Power exhaust gaskets from Summit racing. It was a multi-piece set. The center double port gasket did not have the middle ridge, but the gasket matched the exhaust port pretty...
Jeep Forums: Jeep CJ Forum   03-29-2020, 08:40 AM
Replies: 33
Views: 629
Posted By Matt1981CJ7
There should be no confusion. Just time the...

There should be no confusion. Just time the engine to 5-10 degrees initial with the vac advance disconnected and the hose plugged. Then re-connect the vac advance and tune the carb. Easy peasy.
...
Jeep Forums: Jeep CJ Forum   03-29-2020, 07:50 AM
Replies: 116
Views: 3,568
Posted By Matt1981CJ7
Bmann, I'd recommend that you use a...

Bmann,

I'd recommend that you use a mid-plate on your oil pump filter adapter to prevent the gears from scoring the adapter in the future.
...
Jeep Forums: Jeep CJ Forum   03-29-2020, 07:36 AM
Replies: 33
Views: 629
Posted By Matt1981CJ7
And here's my rebuilt 360 also running on...

And here's my rebuilt 360 also running on manifold vac advance.

https://www.youtube.com/watch?v=hNI0hlawvEg

Matt
Jeep Forums: Jeep CJ Forum   03-29-2020, 07:32 AM
Replies: 33
Views: 629
Posted By Matt1981CJ7
Here's my old 258 running smoothly and happily on...

Here's my old 258 running smoothly and happily on manifold vac advance.

Matt

https://www.youtube.com/watch?v=bsOM3C_-HqE
Jeep Forums: Jeep CJ Forum   03-29-2020, 07:15 AM
Replies: 33
Views: 629
Posted By Matt1981CJ7
Over 20 degrees of advance at idle is perfectly...

Over 20 degrees of advance at idle is perfectly normal, and preferable.

Vac advance is load dependent. It kicks in at times of lowest load and highest vacuum. At low loads the a/f mixture goes...
Jeep Forums: Jeep CJ Forum   03-28-2020, 09:10 PM
Replies: 33
Views: 629
Posted By Matt1981CJ7
Test it for yourself. Hook the same tune up to...

Test it for yourself. Hook the same tune up to both manifold and ported vac advance. You will see manifold produces 125-150 more RPM at idle, all else equal. Thatís because an engine needs more...
Jeep Forums: Jeep CJ Forum   03-28-2020, 03:19 PM
Replies: 33
Views: 629
Posted By Matt1981CJ7
We'll have to agree to disagree on that. ...

We'll have to agree to disagree on that.

Ported vac advance was for emissions purposes, at the expense of idle quality. Manifold vac advance will provide a stronger, cooler, more efficient...
Jeep Forums: Jeep CJ Forum   03-28-2020, 02:34 PM
Replies: 13
Views: 366
Posted By Matt1981CJ7
Here's the easiest and best way to wire up the...

Here's the easiest and best way to wire up the e-choke.

Matt
Jeep Forums: Jeep CJ Forum   03-28-2020, 02:22 PM
Replies: 33
Views: 629
Posted By Matt1981CJ7
Your EGR has been blocked off. It's fine to...

Your EGR has been blocked off. It's fine to leave it that way.

The bare minimum for vacuum-related systems is the distributor vacuum advance and PCV systems.

Your PCV valve appears to be...
Jeep Forums: Jeep CJ Forum   03-28-2020, 10:47 AM
Replies: 116
Views: 3,568
Posted By Matt1981CJ7
CR is compression ratio. Higher compression...

CR is compression ratio. Higher compression ratio needs higher octane fuel.

Matt
Jeep Forums: Jeep CJ Forum   03-28-2020, 07:17 AM
Replies: 19
Views: 538
Posted By Matt1981CJ7
Here's a CJ trailer that my Father built over 50...

Here's a CJ trailer that my Father built over 50 years ago. I rebuilt it a few years ago.

It comes in very handy for hauling all sorts of things.

Matt
Jeep Forums: Jeep CJ Forum   03-28-2020, 06:48 AM
Replies: 31
Views: 795
Posted By Matt1981CJ7
All the symptoms point to either a vacuum leak,...

All the symptoms point to either a vacuum leak, or an obstruction in the fuel delivery. Backfires thru the intake is usually due to a lean air/fuel mixture.

Have you checked the plugs? I bet...
Jeep Forums: Jeep CJ Forum   03-21-2020, 01:00 PM
Replies: 7
Views: 225
Posted By Matt1981CJ7
I would guess the green, white and black wired...

I would guess the green, white and black wired plug is speakers. The orange, black and purple wired plug is power. And the tan wired plug is antennae.

But that's just a semi-educated guess. ...
Jeep Forums: Jeep CJ Forum   03-21-2020, 12:25 PM
Replies: 3
Views: 174
Posted By Matt1981CJ7
This layout works well. Matt

This layout works well.

Matt
Jeep Forums: Jeep CJ Forum   03-21-2020, 12:04 PM
Replies: 116
Views: 3,568
Posted By Matt1981CJ7
FYI, the NAPA Gold 1258 oil filter is the exact...

FYI, the NAPA Gold 1258 oil filter is the exact Wix filter mentioned above. That's all I use on my 360.

Matt
Jeep Forums: Jeep CJ Forum   03-20-2020, 01:19 PM
Replies: 8
Views: 210
Posted By Matt1981CJ7
Way lean. Hopefully the vac leak was the...

Way lean. Hopefully the vac leak was the culprit.

Just to be safe, I'd probably run thru the air/fuel mixture screws adjustment on your carb. Do you have any way to test your fuel pressure? I...
Jeep Forums: Jeep CJ Forum   03-20-2020, 07:18 AM
Replies: 8
Views: 210
Posted By Matt1981CJ7
My usual first step in these cases is to...

My usual first step in these cases is to determine if it's fuel or ignition related. Pulling a few plugs will usually provide some clues.

You can pull the top of the air cleaner assembly off to...
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