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timing issue

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Old Jun 16, 2005 | 10:19 PM
  #1  
rustyZ28's Avatar
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Joined: Jul 2004
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From: Marshfield,MO
Car: 87 Z28
Engine: 350
Transmission: 350 Turbo
Axle/Gears: 2.73
timing issue

I have a TPI 350 my 86 z28 i have the idle set at 600rpm and it wants to die, but if I disconnect the est(timing) connector it idle and runs perfect any ideas?
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Old Jun 17, 2005 | 11:58 AM
  #2  
Dr.NickRiviera's Avatar
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From: dallas,tx
Car: 1987 Trans Am
Engine: tree-fiddy
Transmission: 700r4
What's the timing set to with the wire disconnected?
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Old Jun 19, 2005 | 10:43 PM
  #3  
92RS3.1L's Avatar
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From: Shelby Twp. MI
Car: 91 Z28
Engine: Rebuilt and modified 350
Transmission: rebuilt T-5
if it idles adn runs perfectly, then why not leave it disconnected?
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Old Jun 20, 2005 | 07:35 AM
  #4  
1985WS6transam's Avatar
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From: Long Island, New York
Car: 1988 Firebird Formula
Engine: 388 Carb
Transmission: 700R4
Axle/Gears: 4.10
if it idles adn runs perfectly, then why not leave it disconnected?
I dont know the techinical answer to that question but I can say that if you are going to do that it is not fixing the problem it is only putting a band aid over it.
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Old Jun 20, 2005 | 09:52 AM
  #5  
92RS3.1L's Avatar
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From: Shelby Twp. MI
Car: 91 Z28
Engine: Rebuilt and modified 350
Transmission: rebuilt T-5
Originally posted by 1985WS6transam
I dont know the techinical answer to that question but I can say that if you are going to do that it is not fixing the problem it is only putting a band aid over it.
Touche'
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Old Sep 12, 2005 | 02:20 AM
  #6  
mike1986fyrbird's Avatar
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Joined: Feb 2002
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From: Prince Albert, Saskatchewan, Canada
Car: 1987 Trans Am GTA
Engine: 357ci Stealth Ram - Under Pressure
Transmission: Built 700r4/Pro Yank 3400 Extreme
Axle/Gears: 9-Bolt 3.27
Have you found the answer to this problem?
Thanks
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Old Sep 12, 2005 | 04:49 PM
  #7  
8UpAFord's Avatar
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Joined: Mar 2005
Posts: 477
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Car: 1988 Corvette
Engine: 5.7L TPI L98
Transmission: 700R4
Axle/Gears: D36 2:59
is your prom stock?
did you buy a after market chip? it might not have the correct timing.

First see what your prom timing is set to if you have the tools.

your timing It should be set to 6 with the connector unplugged. so break out the timing light.

also in you're prom timing should be 6 too.

that assuming it's stock for the most part.
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