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-   -   Running rough after rebuild (http://forums.pelicanparts.com/porsche-911-technical-forum/915542-running-rough-after-rebuild.html)

911 Rod 06-09-2016 02:39 PM

Thanks for this help Bob.

Above you say "Pull dist and shift the ROTOR one or two notches to the right. That would be the gear at the base of the dist. CCW."

Right or counter clock wise?

Bob Kontak 06-09-2016 02:42 PM

Here is a pic of a 3.2. It appears to be a CW rotation vs CCW like my SC.

The position of your rotor appears pointing slightly towards the center of the of the engine, instead of slightly to the rear of the car.

Plus your rotor should be almost dead nuts in the center of that line at TDC. That is more than 3 degrees.

http://forums.pelicanparts.com/uploa...1465511757.jpg

Bob Kontak 06-09-2016 02:43 PM

Quote:

Originally Posted by 911 Rod (Post 9154295)
Thanks for this help Bob.

Above you say "Pull dist and shift the ROTOR one or two notches to the right. That would be the gear at the base of the dist. CCW."

Right or counter clock wise?

I say one tooth CW (to the right)

Bob Kontak 06-09-2016 02:46 PM

Here is the SC location of #1. My black mark looks a little too far to the right.

http://forums.pelicanparts.com/uploa...1465512365.jpg

911 Rod 06-09-2016 03:03 PM

When I rotate CW 1 tooth it goes past the notch. Where it was before when you loaded up the rotor it is dead nuts to the notch.

The 3.2 isn't adjustable.

911 Rod 06-09-2016 03:09 PM

One tooth. The angle of the shot makes it look almost on but it's way off.

http://forums.pelicanparts.com/uploa...1465513788.jpg

Ferrino 06-09-2016 03:15 PM

http://forums.pelicanparts.com/uploa...1252764924.jpg

Bob Kontak 06-09-2016 03:16 PM

Quote:

Originally Posted by 911 Rod (Post 9154330)
When I rotate CW 1 tooth it goes past the notch. Where it was before when you loaded up the rotor it is dead nuts to the notch.

The 3.2 isn't adjustable.

Thank God you have the ability to do this.

I eat crow and my hat for leading you astray and I see where it cannot be moved.

Why 47 degrees Before tdc, though.

I won't ever "advise on a 3.2 again". My hit rate sucks. I apologize.

911 Rod 06-09-2016 03:25 PM

All good Bob. Lol
You did have me running out to the garage.
So this leaves the flywheel sensor. Is it possible to install a flywheel wrong?

Bob Kontak 06-09-2016 03:28 PM

Ferrino - thank you.

Bob Kontak 06-09-2016 03:32 PM

Quote:

Originally Posted by 911 Rod (Post 9154363)
All good Bob. Lol
You did have me running out to the garage.
So this leaves the flywheel sensor. Is it possible to install a flywheel wrong?

One more thought. I am so going to deservedly get beat up.

Twist the rotor CCW. How much does it move.

Check your wires.

gtc 06-09-2016 03:40 PM

Are you running the stock chip with all those mods? Seems like that could cause some problems.

911 Rod 06-09-2016 03:42 PM

Quote:

Originally Posted by Bob Kontak (Post 9154375)
One more thought. I am so going to deservedly get beat up.

Twist the rotor CCW. How much does it move.

Check your wires.

Rotor doesn't move at all CCW. It loads up the cams (or whatever they are called) inside the dizzy when you turn it CW.

You can't mix up the wires as they only go on one way. But ya, I checked it like 10 times.
Wouldn't it be backfiring if the wires were wrong?

911 Rod 06-09-2016 03:53 PM

Quote:

Originally Posted by gtc (Post 9154384)
Are you running the stock chip with all those mods? Seems like that could cause some problems.

It's a stock chip with some mods.

The problem is the timing. Does a chip effect timing? Everything I see the timing is set mechanically.

911 Rod 06-12-2016 10:52 AM

The culprit?

http://forums.pelicanparts.com/uploa...1465757547.jpg


http://forums.pelicanparts.com/uploa...1465757567.jpg

Bob Kontak 06-12-2016 01:11 PM

Quote:

Originally Posted by Bob Kontak (Post 9154375)
Twist the rotor CCW. How much does it move.

I have to think the movement on my 81 is from the vacuum advance and retard mechanism in my 81. Does not appear to be the case on your distributor because you don't have a pod (correct?) Mine moves maybe 1/2" at the tip of the rotor.

I don't understand the time sert location.

Note no advice. Just interested.:)

911 Rod 06-12-2016 01:46 PM

84 and up have DME (Digital motor Elecrtonics) and there isn't any adjustment at the dizzy. The DME fine tunes the timing using a reference sensor on the flywheel.
The pictures I have shown above is the pin on the flywheel that the sensor picks up.
Somehow it is damaged. I'm wondering if I didn't install my flywheel correctly and it has become damaged.
We have pretty much come to the conclusion that the dizzy is in correct.

DRACO A5OG 06-12-2016 09:26 PM

The sensor smacked the pin, take a look at the sensor, if damaged, you will need to replace both.

Buddy up north just went thru this.

http://forums.pelicanparts.com/uploa...1464911859.jpg

911 Rod 06-13-2016 05:13 AM

Draco. Can I ask what his symptoms were?

I was thinking that the sensor hit the pin as well until I found this before photo. The pin in the new to me, used, flywheel was already damaged.
You can never take too many pictures.

http://forums.pelicanparts.com/uploa...1465823627.jpg

john walker's workshop 06-13-2016 05:54 AM

Normally, that pin is an allen head bolt. Yours looks like a set screw, not that it would make any difference if the height is the same.


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