PR3 Vs P72 Ecu
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From: Twin Somewhere, MN, USA
PR3 Ecu Vs P72 Ecu
I have a P72 OBD1 and also a PR3 OBD1 from a b16 integra for those who doesn't know, and no it's not a OBD0. Get that straight! I was wondering about the difference of these two any suggestions will be appreciated. I have tried both of them on my car, and yes both of them work just fine. I've noticed that the PR3 vtec engages at 5000 RPM's and redlines at exactly at 8000. And the P72 the vtec engages at 4500 RPM's and redlines at 8200. It kicks in at 4500 because i have a skunk2 im. O yeah one more thing, it's used on a GSR motor. Thanks Boys and Girls. Oh Yeah, i've searched already. and if you can find it for me then 
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Joined: Nov 2001
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From: Newark/Bay Area, CA., USA
Re: PR3 Ecu Vs P72 Ecu (DSR!)
pr3: b16a (1.6L) dohc vtec ecu
p72: b18c (1.8L) dohc vtec ecu...this ecu runs the butterflies in the stock gsr intake manifold, but your running a skunk IM. REally, you should be fine whatever ecu you want to run, but the p72 sucks when you get into vtec w/ the skunk2 IM.
p72: b18c (1.8L) dohc vtec ecu...this ecu runs the butterflies in the stock gsr intake manifold, but your running a skunk IM. REally, you should be fine whatever ecu you want to run, but the p72 sucks when you get into vtec w/ the skunk2 IM.
Thread Starter
Junior Member
Joined: Jan 2004
Posts: 238
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From: Twin Somewhere, MN, USA
Re: PR3 Ecu Vs P72 Ecu (iH8RICERZ)
ne body else with facts about this? Just heard from a friend that JDM one will give a more aggressive fuel curve then the usdm one.
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