Honda/Acura Tech Honda tech discussion.

Obdo Ecu ?

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Old Jan 27, 2007 | 04:52 PM
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Default Obdo Ecu ?

I have an ls motor on a crx, and have a pr4 ecu, is this is the right ecu for it, the engine is built this way (acura integra b18 swap it has an eagle crank. eagle rods. srp pistons. je rings full. new head gasket. full msd ignition short of the cap rotor and plug wires, edelbrock intake manifold)
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Old Jan 27, 2007 | 09:55 PM
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The motor is built with high compression, cams etc ?
If so, I would say no, the stock pr4 is not the ecu to be running.
Personally I would convert the car to obd1 and run a obd1 chipped ecu.
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Old Jan 27, 2007 | 09:57 PM
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+1 Obd1 Ftw
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Old Jan 28, 2007 | 04:06 AM
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the engine is built with low compression, so i should go with a obd1 p72, the engine is ls non-vtec.
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Old Jan 28, 2007 | 06:31 AM
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Originally Posted by CivicRacingFL
the engine is built with low compression, so i should go with a obd1 p72, the engine is ls non-vtec.
Incorrect. An obd1 p72 is a computer for a 94-95 obd1 1.8L gsr vtec motor
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Old Jan 28, 2007 | 07:45 AM
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which obd1 ecu should i use
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Old Jan 28, 2007 | 11:29 AM
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Originally Posted by CivicRacingFL
which obd1 ecu should i use
You could use a stock pr4 or p75 or a chipped/socketed unit.
What are you trying to get out of the car ?
Are you going to boost it any time soon ?
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Old Jan 28, 2007 | 12:07 PM
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im just trying to get the car running
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Old Jan 28, 2007 | 02:56 PM
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Originally Posted by CivicRacingFL
im just trying to get the car running
The pr4 would be fine then.
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Old Jan 15, 2008 | 06:55 PM
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i have a 91 integra rs and am swapping a b18c3 what ecu should i get
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