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DFI and Electronic Speed Senser

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Old Sep 2, 2001 | 04:35 PM
  #1  
troutkilla's Avatar
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From: Auburn,Wa U.S.A.
DFI and Electronic Speed Senser

hey,I was looking thru my Jeg's mag. and seen that the DFI was not to be used on cars that have an electronic speed sender.whats up with that?I'm planning some serious mods soon and need to be able to fine tune my car.If it still can be done with a DFI unit cool....if not what other options will I have.....Thanks
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Old Sep 2, 2001 | 09:35 PM
  #2  
Grumpy's Avatar
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Joined: Jun 2000
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
<font face="Verdana, Arial" size="2">Originally posted by troutkilla:
hey,I was looking thru my Jeg's mag. and seen that the DFI was not to be used on cars that have an electronic speed sender.whats up with that?I'm planning some serious mods soon and need to be able to fine tune my car.If it still can be done with a DFI unit cool....if not what other options will I have.....Thanks</font>
On some cars the speed sensor feeds a signal to the ecm, the ecm processes that signal and sends it to the speedometer.

there are firms that make a signal processor to bypass the ecm. might try www.Jagsthatrun.com, or Dikota (?) digital.

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Old Sep 3, 2001 | 08:51 AM
  #3  
RCR's Avatar
RCR
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Joined: Jul 1999
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From: Shelby Twp., Mi., USA
Car: '84 Fiero ('01 GA interior)
Engine: '96 4.0 Aurora
Transmission: '96 4T80E
Mine worked fine. I added a speedo re-calibration box after the change to DFI. Both have worked.

BTW, mine's an '89 bird

[This message has been edited by RCR (edited September 03, 2001).]
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