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Unread 07-01-2013, 04:27 PM   #556
swatson454
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Quote:
Originally Posted by 2Xtreme View Post
Eh.... With as screwed up as it is, it was a long shot anyway.....

EVERY vac port and line is disconnected an plugged right now,

The spacer has a spot to drill and tap it for a port,
It's basically just a recessed hole right now.

Messing with the secondaries got us close.
I'm thinking maybe downy to .010 - .015 on the primaries, and open the secondaries a hair more...???
Wow. You didn't even have the PCV hooked up? Man, this thing is tough.

Primaries set to where you can just barely see the t-slot under them and the secondaries just barely off the bore (just barely making contact with the secondary screw) sounds like all you can do.

I'm at a loss here...


Shawn

Edit: Make sure the base plate is tight to the body of the carb while you have it off.

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Unread 07-01-2013, 04:34 PM   #557
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.020 on the primaries actually leaves quite a bit left to adjust.

Timing is still at 7*. Too much?
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Unread 07-01-2013, 04:42 PM   #558
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Originally Posted by 2Xtreme View Post
.020 on the primaries actually leaves quite a bit left to adjust.

Timing is still at 7*. Too much?
No, it's too little. Actually it's "ok". They just usually run better up closer to 10*. We're just not supposed to use it as a band aid to get the idle down.

Other than closing those secondaries down, I don't know what else to do. You saw what happens when you close the primaries down too far so just make sure you've got the room to adjust.
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Unread 07-01-2013, 04:52 PM   #559
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Air/ fuel mix...?
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Unread 07-01-2013, 05:10 PM   #560
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(Dbl post.... Damn phone)
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Unread 07-01-2013, 05:12 PM   #561
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Air/fuel mix...
You should be able to handle that at idle with the mixture screws.
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Unread 07-01-2013, 10:02 PM   #562
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I have kept up with this thread more from curiosity and to learn. I am very happy to see 86CJ and Swatson sticking with you through all of this, not deserting you. Both of them helped me tremendously in the past with a dizzy issue, putting up with me whereas others slowly left.
Both of them have more knowledge than we give them credit for.

Russell

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Unread 07-02-2013, 04:17 AM   #563
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Quote:
Originally Posted by 2Xtreme View Post
Eh.... With as screwed up as it is, it was a long shot anyway.....

EVERY vac port and line is disconnected an plugged right now,

The spacer has a spot to drill and tap it for a port,
It's basically just a recessed hole right now.

Messing with the secondaries got us close.
I'm thinking maybe downy to .010 - .015 on the primaries, and open the secondaries a hair more...???
Are both primaries sitting the same angle? do both primaries have the same gap?

I tell you, I've never set an idle by measuring the gap of the primaries before. and never gave a hoot about the transfer port as long as it wasn't uncovered.

This is certainly the oddest way to set an idle.

and the secondaries I would leave closed as far as you can without out them sticking when it heats up. I would never use the secondaries to set the idle speed.
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Unread 07-02-2013, 05:00 AM   #564
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Quote:
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Are both primaries sitting the same angle? do both primaries have the same gap?

I tell you, I've never set an idle by measuring the gap of the primaries before. and never gave a hoot about the transfer port as long as it wasn't uncovered.

This is certainly the oddest way to set an idle.

and the secondaries I would leave closed as far as you can without out them sticking when it heats up. I would never use the secondaries to set the idle speed.
I believe both primaries are at the same angle. IIRC they are on the same 'pivot', but will verify that.

John, you may have mentioned it before but I can't find it. If you've never set an idle by measuring the gap of the primaries before, what is your process?

Here is a theory:
Since the intake was originally installed with sealant and no gasket, I've probably had intake leaks from Day 1.
BUT since it ran fine, but high all of this time, is it conceivable that my buddy richened the mixture to compensate for the extra air getting in?

Grasping at straws here.

It make come down to stepping back and looking at the carb as just being assembled after a rebuild and readjust EVERYTHING on the carb as if it was going back on the vehicle for the first time after a rebuild....

Thoughts?
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Unread 07-02-2013, 05:01 AM   #565
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Quote:
Originally Posted by fourbtgait View Post
I have kept up with this thread more from curiosity and to learn. I am very happy to see 86CJ and Swatson sticking with you through all of this, not deserting you. Both of them helped me tremendously in the past with a dizzy issue, putting up with me whereas others slowly left.
Both of them have more knowledge than we give them credit for.

Russell

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Let us not forget John Strenk, Hutch1200, and a few others.

Without all of this help, I would definitely have dumped this thing in the river by now.

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Unread 07-02-2013, 07:40 AM   #566
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Quote:
Originally Posted by 2Xtreme

Let us not forget John Strenk and a few others.

Without all of this help, I would definitely have dumped this thing in the river by now.

You are correct and I don't mean to slight John or a few others.
They all have good hearts.
Imagine what they could do in person.

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Unread 07-02-2013, 08:00 AM   #567
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Quote:
Originally Posted by 2Xtreme View Post
I believe both primaries are at the same angle. IIRC they are on the same 'pivot', but will verify that.

John, you may have mentioned it before but I can't find it. If you've never set an idle by measuring the gap of the primaries before, what is your process?

.....

Thoughts?

IT's quite simple.
On the 4 bbl, I first would make sure the secondaries are closed. With just a twitch, to keep them from sticking.

Then I'll slightly seat teh idle mixture screws and back them out 1-1/2 turns.

Then I'll back the idle speed screw out until it just touches and give it 1-1/2 turns.

Then I'll start the engine, wait till it warms up, on high idle is necessary.

Then I'll drop it back down by kicking it off fast idle.

Then check the idle speed, if it's stumbling, i'll try a mixture adjustment first. then set idle speed with idle speed screw, maximize the mixture adjustment. Maybe going a little rich in winter.

Then reset idle speed with idle speed screw.

Worked for years setting idle this way.
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Unread 07-02-2013, 08:27 AM   #568
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I will try this tonight!

Two questions though...
Currently I have ABSOLUTELY NO VACUUM LINES CONNECTED.
(We did that to eliminate them as sources of leaks)
Everything is disconnected and plugged.
Should I keep it that way for now?

And you did not mention the Primaries.
Leave them as-is?
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Unread 07-02-2013, 09:40 AM   #569
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Keep vacuum line the way they are right now.

How are the secondaries right now? just open a tiny crack?
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Unread 07-02-2013, 09:45 AM   #570
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...How are the secondaries right now? just open a tiny crack?
yes, just enough to prevent them from sticking and allow a sliver of light through - 1.5 turns out.
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