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

Do I need a tune?

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Old Apr 2, 2012 | 09:06 AM
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ninety4formula
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From: Owego NY
Default Do I need a tune?

I have a mail order tune on my car because I wanted my fans to kick on earlier, but I am not happy with it. The car idles sparatically with that chip in, but when I put my stock one back in it seems to idle a lot smoother. Anyways this is what my car has done to it:

90 corvette 6 speed
long tubes
no cats
muffler eliminators
a.i.r. delete
EGR delete
airfoil
TB bypass
3.73 gears

If I don't really need a tune and will be safe to run how it is then I might just get a fan switch. The person that did my tune is the same person that a lot of other people on here have had some problems with.
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Old Apr 2, 2012 | 10:06 AM
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Other then the egr delete there's no reason to get a tune with what you have.. Some have had no problems getting rid of there egr without having it deleted from there chip , some have had problems..I would just go with the stock tune. Theres a company that makes a inline harness that you can get to change the on/off temps of your fan, you may want to look into that.....WW

Last edited by WW7; Apr 2, 2012 at 10:10 AM.
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Old Apr 18, 2012 | 05:13 PM
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From: Rockford Michigan
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http://www.ecklerscorvette.com/corve...1984-1995.html
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Old Apr 18, 2012 | 11:46 PM
  #4  
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From: KB7TIF Ville NV
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Originally Posted by ninety4formula
I have a mail order tune on my car because I wanted my fans to kick on earlier, but I am not happy with it. The car idles sparatically with that chip in, but when I put my stock one back in it seems to idle a lot smoother. Anyways this is what my car has done to it:

90 corvette 6 speed
long tubes
no cats
muffler eliminators
a.i.r. delete
EGR delete
airfoil
TB bypass
3.73 gears

If I don't really need a tune and will be safe to run how it is then I might just get a fan switch. The person that did my tune is the same person that a lot of other people on here have had some problems with.
If you want the fans earlier then get them on earlier. heres a guy who does it cheap. 35$ last time (dont tell him)http://www.lt1swap.com/
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