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post #1 of (permalink) Old 12-02-2000, 03:44 PM
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setting the timing

I have a 84 CJ-7 and I have placed headers on it and removed the exhaust system and placed glasspaks on it. Since then I have replaced the Carter carberator with a Weber. When I am setting the timing what rpm should the motor be at? I have removed all emission devices. I am having diffculty setting the carberator, she will not idle instead she just dies off.

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post #2 of (permalink) Old 12-02-2000, 07:13 PM
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Re: setting the timing

Just let her die, baby!!! I'm tired of this thing taking up my whole carport. The thing isn't worth a crud. It hasn't moved over a mile in the past year. By the way, this is your wife. I just love your favorite website.

post #3 of (permalink) Old 12-02-2000, 08:19 PM
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Re: setting the timing

NOW THAT IS FUNNY!!!! [img]/wwwthreads_images/icons/laugh.gif[/img]

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post #4 of (permalink) Old 12-02-2000, 08:28 PM
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Re: setting the timing

now thats funny!!! well it should be running.. [img]/wwwthreads_images/icons/laugh.gif[/img].. and it should be warm.. and still under the carport.. hehehe.. have you used a timing light?
well with it warm.. try to set the idle to spec.. then adjust your idle.. it should idle 400-600 rpms when warm.. cold idle should be about 1200 rpms...

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post #5 of (permalink) Old 12-02-2000, 08:49 PM
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Re: setting the timing

My wife is just kidding she loves our jeep and she loves it when I spend money on it. The problem is after I have installed that Weber carb. When I accelerate black exhaust comes out the exhaust. She idles fine when the choke is on but as soon as I take it off the choke she dies and if I try to give her gas she will sometimes die and blow out white exhaust out of the air filter. I have set the timing to 1600 rpm and after that I have tried to adjust the carb back down but still no luck. Thanks fo any help

post #6 of (permalink) Old 12-02-2000, 10:39 PM
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Re: setting the timing

1. The Carb's running way, way rich... cut back the mixture.
2. The timing seem's too far advanced.
3. Are you hooked up to the right vacuum, ported?

Check this site: http://www.jps.net/~sanchez3/Weber/install/install.htm

3. Try this:

Hook up the advance to ported vacuum and;

1. Pull the Cylinder #1spark plug.
2. Put you finger in Cylinder # 1 plughole.
3. Manually rotate the engine until you feel compression building up.
4. Look at the timing marks and put the marks at about 8 degrees
BDTC.
5. Unlock the distributor hold down clamp.
6. Lightly lock down the distributor so it can be rotated by hand.
7. Install the spark plug to #1 spark plug wire.
8. Ground the plug so you can see the electrode.
9. Turn the ignition to Run.
10. Quickly rotate the distributor and to obtain a spark when the rotor
sees plug #1.
11. Narrow down the rotation as much as possible.
12. When as narrow as possible, lock down the distributor.
1. Pull the Cylinder #1spark plug.
2. Put you finger in Cylinder # 1 plughole.
3. Manually rotate the engine until you feel compression building up.
4. Look at the timing marks and put the marks at about 6 to 8 degrees
BDTC.
5. Unlock the distributor hold down clamp.
6. Lightly lock down the distributor so it can be rotated by hand.
7. Install the spark plug to #1 spark plug wire.
8. Ground the plug so you can see the electrode.
9. Turn the ignition to Run.
10. Quickly rotate the distributor and to obtain a spark when the rotor
sees plug #1.
11. Narrow down the rotation as much as possible.
12. When as narrow as possible, lock down the distributor.
13. Put everything back together together.

Then engine is now statically timed. You are at home plate in the ballpark... not out in left field. You may need to finesse the adjustment a bit when the engine starts, but you are now correctly timed!

If a timing problem exists now, it's narrowed down to:

1. Distributor vacuum Advance.
2. Engine Vacuum.
3. Timing gears and Chain.

Happy Holidays and Safe Jeepin'

Larry
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