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

pcmforless.com - results on stock 1990

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Old 05-19-2013, 10:15 PM
  #21  
Rio_Sul
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Originally Posted by Alvin
Fantastic!

I'm really glad we where able to help you out in this situation. I really appreciate the feedback also. If you guys need anything just please let me know.

Hi Alvin, My name is Dennis and I live in Michigan. I owned a couple of corvettes in the 1970's and just bought a 1984 a couple of days ago. My wife and I are really enjoying it so far. I have some work to do and some $ to put into it but it will be fun. I find there is very little performance improvement products (much less than later years). Do you have any advice (or products) that could help? Thanks, Dennis
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Old 05-19-2013, 10:25 PM
  #22  
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You may find it easier to PM Alvin rather than opening a thread that seven years old.

IBTL crock....

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Old 05-19-2013, 10:48 PM
  #23  
Midnight 85
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Much easier by phone, you must have dug deep for this one. IBTL
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Old 05-20-2013, 05:47 PM
  #24  
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sounds good, i think i may do it also for my 96 lt4. thanks for the info, i will post my results
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Old 05-20-2013, 06:24 PM
  #25  
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I find it quite interesting as the tune I got for my car made almost no perceptible difference. Slightly better idle, but that's it. I had asked to have my converter lockup changed to 38 but unless my speedo is off it's still 41-42 before it locks up.
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Old 05-20-2013, 08:18 PM
  #26  
AirForceOne!
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Holy Resurrection! 6 year, 7 month old thread! I thought these things were locked out after a certian period of time?
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Old 05-20-2013, 10:41 PM
  #27  
aboatguy
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Originally Posted by AirForceOne!
Holy Resurrection! 6 year, 7 month old thread! I thought these things were locked out after a certian period of time?
They are!

IBTL
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Old 05-22-2013, 08:50 PM
  #28  
LT4 F45
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Send my PCM to them from Canada last winter and all i have to said is
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Old 05-24-2013, 06:04 PM
  #29  
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sounds good do you think i should do my 96 lt4? are you using a 180 or 160 thermostat ?
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Old 05-24-2013, 07:00 PM
  #30  
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Originally Posted by c4lt4
sounds good do you think i should do my 96 lt4? are you using a 180 or 160 thermostat ?
160 the biggest difference so far is over 4K rpm
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