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Can I put a 93 Vette chip in my 89 350 TPI?

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Old Jun 26, 2001 | 10:41 PM
  #1  
Mkos1980's Avatar
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
Can I put a 93 Vette chip in my 89 350 TPI?

would it be betteR?
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Old Jun 26, 2001 | 10:57 PM
  #2  
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Tas
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The '93 vette has a LT1 in it.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Soon to be installed:
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
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Old Jun 26, 2001 | 11:28 PM
  #3  
8Mike9's Avatar
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From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Don't think it'll work...different ECM's, isn't the '93 a SD w/730 ECM?
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Old Jun 26, 2001 | 11:44 PM
  #4  
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Tas
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'94+ should be sequential fire. '93 should be batch fire. I don't remember if its speed density or not.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Soon to be installed:
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz

[This message has been edited by Tas (edited June 26, 2001).]
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Old Jun 26, 2001 | 11:45 PM
  #5  
Mkos1980's Avatar
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From: Macedonia ,OH
Car: Formula
Engine: 6.0 LSX
Transmission: 4L60E
Axle/Gears: 9 Bolt 3:27
I know the 92 and 93 LT1's had 22lbs injectors and the 93 is MAF
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Old Jun 26, 2001 | 11:47 PM
  #6  
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Tas
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ya all the LT1s use the new small MAF.

------------------
-Tas
'89 Formula WS-6

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

Soon to be installed:
Hooker 1-5/8" 50 state legal headers, Dynomax 3" I pipe (PN 44063 and 43248), Catco 3" cat, and injector spacer.

Super GRK_Taz World
F-Body Dual Exaust
EFI & Intake Options
AOL IM: superGRtaz
Reply
Old Jun 27, 2001 | 07:07 AM
  #7  
blak92!'s Avatar
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From: NortCentral NJ, USA-
The optispark and base timimng would be an issue.

You can not do it!

------------------
Hybrid Black 5.7L 5 Speed
'95 Competition Yellow Corvette Coupe ZF6
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Old Jun 27, 2001 | 09:47 AM
  #8  
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From: The Bone Yard
Car: Death Mobile
Engine: 666 c.i.
Actually, the 92-93 Vette used a completely different ecm, the "278", and it was Speed Density to boot. It just won't work in a MAF F-body car.

FYI, you can't just plug a TPI Vette Prom from a SD car and have it run in a TPI SD F-body. The ecm used in the TPI SD Vette was different and has different sensor inputs (ie. for the oil temperature). You can modify the TPI SD Vette eprom to work in a TPI SD F-body, but in all honesty, if you can do the modification to the SD TPI Vette prom to make it work in an SD TPI F-body, then you might as well just tune your own F-body eprom.
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