best ECU for LS swap in 90 SI

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Old May 3, 2003 | 04:43 PM
  #1  
LSVTEC96HB's Avatar
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From: Chuck. Norris.
Default best ECU for LS swap in 90 SI

I have heard that I should keep the stock SI computer, but wouldnt an LS computer work the best? opinions, and facts please
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Old May 3, 2003 | 04:44 PM
  #2  
SiR831's Avatar
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From: Marina, ca, US
Default Re: best ECU for LS swap in 90 SI (LSVTEC96HB)

why not use the LS computer?
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Old May 3, 2003 | 06:19 PM
  #3  
lazy bum shaughn's Avatar
 
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From: Garland, Texas, U.S.A
Default Re: best ECU for LS swap in 90 SI (LSVTEC96HB)

Yea, I'm pretty sure the LS ECU would work best.
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Old May 3, 2003 | 08:37 PM
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From: bay area...CA
Default Re: best ECU for LS swap in 90 SI (lazy bum shaughn)

i think the pr4 would work the best....
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Old May 3, 2003 | 08:55 PM
  #5  
USDM 4G VTEC's Avatar
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From: OH
Default Re: best ECU for LS swap in 90 SI (crxtreme27)

u stooe my words
i was about to say smae thing
90-91 LS PR4 ecu will work great... ecu designed for it
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Old May 4, 2003 | 07:45 AM
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Wes V's Avatar
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From: Winnetka, Calif, USA
Default Re: best ECU for LS swap in 90 SI (USDM 4G VTEC)

Get the ECU that matches the LS! The reason that I say this is that if you have to go to a Referee smog station for the swap, it's the only one that they will allow.

Wes Vann
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Old May 4, 2003 | 08:16 AM
  #7  
incubus's Avatar
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From: Towson, MD, USA
Default Re: best ECU for LS swap in 90 SI (Wes V)

just a quick question (sorry dont mean to hijack) what makes the PR4 better than the other LS ecu's?
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Old May 4, 2003 | 08:23 AM
  #8  
vtecrx's Avatar
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From: Greenville, SC, USA
Default Re: best ECU for LS swap in 90 SI (incubus)

the pr4 in OBD0 is the only ls ecu. The pr4 in OBD1 is essentially the same as the p74 or p75
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Old May 4, 2003 | 08:58 AM
  #9  
incubus's Avatar
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From: Towson, MD, USA
Default Re: best ECU for LS swap in 90 SI (vtecrx)

ahh ok so it is the only one that would not require obd conversion. thx
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Old May 4, 2003 | 09:45 AM
  #10  
civicguy's Avatar
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From: philly, pa
Default Re: best ECU for LS swap in 90 SI (incubus)

you need a pr4 from a 90-91 integra obdo.if you need one i got one with 4 different programs done by hyperduck,it kick *** but im going fi,actually i do have my turbo put on ,just waiting for my safc,im asking $150.00
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