C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Rough Idle!!

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Old Sep 13, 2006 | 11:35 PM
  #41  
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AGENT 86
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From: Summerland B.C. Canada
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Originally Posted by Agent 86
If you can make your car run at 1400 rpm with the dist out 180*, i'll buy you a box of beer.
Originally Posted by rick lambert
I'll take that beer AGENT86 been there, and done that.
Iv'e never installed a dist 180* out before so i honestly can't say your wrong, i just can't see how a motor could attain any real rpm if the spark was happeng on the exhaust stroke with the exhaust valve still open.
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Old Sep 14, 2006 | 08:05 AM
  #42  
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The o2 is giving an indication like I said will pick up a new on today. Did get it to idle and checked for Vac leak using propane no leaks. it was in closed loop and did get to open loop when installed the original ECM back in. Trying to get the TPS set right couldn't find the speck's but it will idle at about 850. In order to get it to runn had to disconnect the MAF and then could get the idle set after pulling the EST. My buddys SNAP-On scanner is a GOD SEND it is giving us alot of data that we are sorting thru. Man I am going to start to look for something like that but not CHEAP. I am gonna O HIM BIG TIME!!. WRO
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Old Sep 14, 2006 | 09:10 AM
  #43  
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AGENT 86
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Originally Posted by wro87
My buddys SNAP-On scanner is a GOD SEND it is giving us alot of data that we are sorting thru. Man I am going to start to look for something like that but not CHEAP. I am gonna O HIM BIG TIME!!. WRO
If you have a laptop your half way there. You can build or buy the interface cable and then use Craig Moates software or Datamaster. The software is free and the parts to build the cable is about $5
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Old Sep 14, 2006 | 09:21 AM
  #44  
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Thanks for the note will check into that. WRO
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