installing ECU ? 90crxsi?

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Old Apr 30, 2002 | 03:32 PM
  #1  
crxaddikt's Avatar
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From: Dallas, Texas, United States
Default installing ECU ? 90crxsi?

i am just switching to a new ecu, cause mine was "bad", and it was'nt controlling the ac compresser for some weird reason.

so, i got a new one, from ebay.com, and its good condition, and i just need some info on what i have to do to switch them?

i know where it is, and that it is attached with a couple of wire clips, but just wanted the "exact" correct instructions to do this, (just being cautious)

any instructions would be cool, i would appreciate it - Jon
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Old Apr 30, 2002 | 03:43 PM
  #2  
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From: Ottawa, ontario, canada
Default Re: installing ECU ? 90crxsi? (joncrx_tx)

Unplug the old distributor and plug in new distributor and go play
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Old Apr 30, 2002 | 03:57 PM
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Default Re: installing ECU ? 90crxsi? (hecktabite)

i did'nt get a new distributor, i just got a new ECU?

my distributor is fine, sorry, i just did'nt understand?
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Old Apr 30, 2002 | 05:40 PM
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Default Re: installing ECU ? 90crxsi? (joncrx_tx)

Are you serious?

Cause if you are then you might be better off taking it to a "Professional"
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Old Apr 30, 2002 | 05:50 PM
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Default Re: installing ECU ? 90crxsi? (joncrx_tx)

i am just switching to a new ecu, cause mine was "bad", and it was'nt controlling the ac compresser for some weird reason.

so, i got a new one, from ebay.com, and its good condition, and i just need some info on what i have to do to switch them?

i know where it is, and that it is attached with a couple of wire clips, but just wanted the "exact" correct instructions to do this, (just being cautious)

any instructions would be cool, i would appreciate it - Jon
1) disconnect battery
2) remove ecu cover (4 10mm nuts)
3) pull ecu from mounting studs
4) disconnect large white plug and two smaller black ones (they may be a little stuck so work them out gently)
5) installation is the oppostie of removal, just be sure to not mix up the location of the plugs and rmemeber to re-connect the battery.
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Old Apr 30, 2002 | 07:57 PM
  #6  
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Default Re: installing ECU ? 90crxsi? (RexB16)

thanks for the instructions, i knew it was easy, i just wanted to make sure i did'nt leave anything out.

by the way, just because the ecu i got was a modded one from locash racing, and it has a 8200 redline, that does'nt mean i can go past the stock redline? does it? i mean i would ruin my engine, right?

i think the 8200 redline on the chip, is only for people with a performance cam, or cam gear with timing advanced.

can i go any higher than stock rpm with this chipped ecu? or not?
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Old Apr 30, 2002 | 08:00 PM
  #7  
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From: West Chester, PA, USA
Default Re: installing ECU ? 90crxsi? (joncrx_tx)

The ecu will physically allow the car to rev that high but your valvetrain is going to not like it. You will float a valve and basically destroy the head in the process if you take it that high. The ecu sounds like it was designed for a high power cam andupgraded valvetrain. I would stick to the stock redlinea s being the farthest point I would ever rev it to.
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Old Apr 30, 2002 | 08:08 PM
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89 CRX SI's Avatar
 
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From: Kelowna, BC, CaNaDa
Default Re: installing ECU ? 90crxsi? (91civic)

Just shift a 6000 rpm and every month go too 7500 for special occasions like picking up grandpa from the old folks home
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