LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

a4+3.23's guys in here

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Old Aug 8, 2003 | 02:15 PM
  #1  
Geezer powered's Avatar
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a4+3.23's guys in here

Trying to figure out if I have 3.23's with out opening the rear.At 75mph my tach says 2500 is this right or do you guys have something else.
Old Aug 8, 2003 | 02:20 PM
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Look in the glove box you should have a list of codes for the options on your car , one of them should be GU5 for 3.23's
Old Aug 8, 2003 | 02:30 PM
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1994CamaroZ28's Avatar
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Look on your center console if you have a 1 selection on it you have 3.23's if you only have a 2 you dont.
Old Aug 8, 2003 | 02:35 PM
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yes I know I have the gu5 option just want to make sure thats whats in there
Old Aug 8, 2003 | 03:26 PM
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Re: a4+3.23's guys in here

Originally posted by Geezer powered
Trying to figure out if I have 3.23's with out opening the rear.At 75mph my tach says 2500 is this right or do you guys have something else.
Assuming your in OD this sounds about right.
Old Aug 8, 2003 | 03:29 PM
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Originally posted by Geezer powered
yes I know I have the gu5 option just want to make sure thats whats in there
If you've got the GU5 option, and in OD, that RPM sounds about dead on.
Old Aug 8, 2003 | 04:00 PM
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I'm actually a little lower than that (about 2300), but I think my tach is just off.
Old Aug 8, 2003 | 08:13 PM
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Originally posted by ZaneO
I'm actually a little lower than that (about 2300), but I think my tach is just off.
I think yours is actually closer to being correct. My Datamaster logs put me ~2300 at 75 mph (not looking at the tach).
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