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Old 01-26-2009, 01:29 AM   #1
watchunglava
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Default atmospheric pressure n/a ecu

It has recently come to my attention that the stock n/a ecu will not read manifold pressure above atmospheric?

How are you guys getting around this?
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Old 01-26-2009, 09:07 AM   #2
Odyknuck
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I will be using the Greddy Emanage Ultimate on my Turbo RST with the Greddy Map sensor. Then the OEM MAP will be clamped at a specific voltage and the Greddy MAP will take over above "O".
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Old 01-26-2009, 11:50 AM   #3
watchunglava
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ohh man $650 just so i can have the ecu read manifold psi?

isn't there a way to reprogram the stock ecu to be able to scale that sensor?
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Old 01-26-2009, 12:33 PM   #4
Odyknuck
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I will assume you are going to Turbo your RS. There are people who run Turbos without Piggybacks up to 5 PSI of boost. They do tend to use a safeguard device however. Thye are cheap insurance. Also the Greedy does a whole lot more that just read system pressure. Its capable of programming your Ignition and fuel. You can also find them a lot cheaper that 650. I got mine brand new with the wiring harness and a map sensor for 450 off of ebay.
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Old 01-26-2009, 12:36 PM   #5
watchunglava
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i want to supercharge it. i allready tune fuel and timing with romraider for free. even $450 is alot of money just to be able to scale manifold pressure.
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Old 01-26-2009, 03:24 PM   #6
IllNastyImpreza
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Quote:
Originally Posted by watchunglava View Post
i want to supercharge it. i allready tune fuel and timing with romraider for free. even $450 is alot of money just to be able to scale manifold pressure.
gotta love the opensorce ecu stuff ! having an old school 98 does have its negatives... but hey I got my EMU with harness for $250

what would it take to swap a WRX ecu into your car ?
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