V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Distributor Problems

Old Mar 26, 2005 | 02:06 PM
  #1  
87Bandit's Avatar
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Joined: Jan 2002
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From: Ohio
Car: 1987 Pontiac Firebird
Engine: 2.8lt V6
Transmission: TH700R4
Distributor Problems

I just got done putting a new oring on my distributor. I marked the rotor and everything and marked how much it turned when i pulled it out. Then i went ahead and put the oring on it and put it back in the same way. Everything went very smooth until i started it up. It ran decent but it doesnt sound exactly the same, i think that it is the timing or something. Also, when i took it out for a drive, the car had no power and barely went 30mph. And i know for sure that the plug wires didnt get crossed or anything. Any ideas guys?
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Old Mar 26, 2005 | 02:45 PM
  #2  
bru333's Avatar
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From: Smithfield, NC
Car: 1987 Camaro SC
Engine: 2.8L MPFI (rebuilt)
Transmission: 700R4 swapped to T5
Axle/Gears: 3.42 open
When you take the dizzy out, you can get the timing close enough to run by marking the rotor etc. But you will never be exactly right. When I put mine back in I had marked everything and it was still off 6 degrees. It doesn't take much of a misalignment to be off. You need to put a timing light on it and set it exactly.
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Old Mar 26, 2005 | 05:23 PM
  #3  
87Bandit's Avatar
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From: Ohio
Car: 1987 Pontiac Firebird
Engine: 2.8lt V6
Transmission: TH700R4
I finally found a timing light to use, but now i need to know which is the number one cylinder? I thought it was the front passengers side, but i wanted to make sure. Also, is there any tricks to timing an engine for someone that has never done it before?
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Old Mar 26, 2005 | 06:18 PM
  #4  
bru333's Avatar
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Joined: Oct 2004
Posts: 575
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From: Smithfield, NC
Car: 1987 Camaro SC
Engine: 2.8L MPFI (rebuilt)
Transmission: 700R4 swapped to T5
Axle/Gears: 3.42 open
Number 1 is front passenger side, you are correct.
This thread will tell you what you need to do:

https://www.thirdgen.org/techbb2/sho...hreadid=274610

Don't leave out disconecting the EST wire or it won't run right.
It will appear to be timed right but it really isn't.
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Old Mar 27, 2005 | 08:38 AM
  #5  
KED85's Avatar
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From: ****SoCal, USA****
I timed my car by ear.
Then let it be.
During one smog test I got car to be read at 14* by this guy disconnecting that connection mentioned.
I have to say no true problems ever.
I can only throw this question out.
Why the comment saying "it won't run right".
Mine has been operating fine since 2000, when I set car engine timing by ear.
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Old Mar 27, 2005 | 09:02 AM
  #6  
bru333's Avatar
Senior Member
 
Joined: Oct 2004
Posts: 575
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From: Smithfield, NC
Car: 1987 Camaro SC
Engine: 2.8L MPFI (rebuilt)
Transmission: 700R4 swapped to T5
Axle/Gears: 3.42 open
Originally posted by KED85

I can only throw this question out.
Why the comment saying "it won't run right".
Mine has been operating fine since 2000, when I set car engine timing by ear.
my car Doesn't run right if I set the timing with the EST connected...Actually most people wouldn't have noticed, it was a very slight hesitation about when the TC locks up...You said yours is at 14* with it disconnected, that isn't going to affect the ecm badly like being at 8* or 6* or less will, and you wouldn't know the timing is retarded with the EST connector hooked up and timing it with a light.

Last edited by bru333; Mar 27, 2005 at 09:08 AM.
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Old Mar 29, 2005 | 10:32 AM
  #7  
TomP's Avatar
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From: Central NJ, USA
Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Did you knock out the rollpin and remove the dist gear to get at the o-ring? If you did, what might've happened is you put the distributor gear on differently then how it came off.

I changed my o-ring out a few weeks ago and forgot about that little detail; wound up retarding my timing to about 2 degrees! Went to adjust the timing and I ran out of "spin room", the distributor module was hitting the intake. So I had to pull the distributor out, put it a tooth over, change the plug wires to pick a new #1 on the cap, then I dropped the dist hold down bolt behind the motor, man what a pain in the butt that was. I'm getting agitated again just thinking about that. (laughs)

http://www.harborfreight.com has a timing light for $10 I think. It's not brand name, but I guess it's better than nothing... of course you need one now, though, so you probably can't wait for it to come in the mail.
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