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04-06 Ralliart Engine/Drivetrain (no forced induction)

RRM Piggy Back ECU

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Old May 17, 2008, 03:41 PM
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RRM Piggy Back ECU

Had my p/b ecu installed yesterday at first was a little disappointed felt faster at low rpms but bogged mid rpms then would pick up again at mivec. Then today ran all the 87 octane gas out and put in 92 WOW! different car. Gave a friend a ride and went up a long curvy hill that would usually shift to 3rd alot but it pulled in fourth like it use to in 3rd. Great mod!!!! Tomorrow when it is not Africa hot gonna install Header and D/P.
Old May 17, 2008, 07:35 PM
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There's a reason why they specify that you run 89 or higher octane with the piggyback. Your poor engine was probably detonating/knocking like crazy every time you went to WOT.
Old May 17, 2008, 10:37 PM
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Only went about 10 miles before I put in 92.
Old May 17, 2008, 10:37 PM
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I always use premium in my RA, and my p/b gets here tuesday, I'm like a kid on Christmas eve waiting for the morning =]

mikemo, shouldn't you have drove your car for like 20+ mins under 3k rpm after letting it idle for 20 so the ecu can adjust to having the piggy?
Old May 18, 2008, 07:30 AM
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you guys gonna bolt it up without tuning?
Old May 18, 2008, 10:11 AM
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haha Dan...

I'm still yet to tune, but so far honestly my wideband is telling me that i'm running pretty good so far, I haven't logged yet but my buddy sits there and loves to watch my wideband and just reads off the numbers for me without me asking him to.

I did fix my o2 sensor and i'm running better, not as rich. Dan did you get that iso. I sent you with that special thingy you wanted... haha
Old May 18, 2008, 11:50 AM
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I was at a Lancer meet over at RRM on Saturday and I was talking to Rob about the piggy and using it with my GS Eclipse he said the install would be a lil different(pinouts on ECU) but should work fine. He also said that the basic tune that it is setup with out of the box should also be ok, is that correct would it be fine to use the preset tune? This hasn't been done yet on a GS so he told me that I need to talk to the guys over at RRE about it more. I am going to ask if they would like to use my car as a test fit for this hopefully they will be up to trying this out.


OT: While I was there got a pulley installed.
Old May 18, 2008, 12:29 PM
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it depends if the sensors are the same. you have a CAN bus ECU, so they may be different.
Old May 20, 2008, 04:27 AM
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Great to hear mate

Enjoy it!
Old May 20, 2008, 10:58 PM
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I thought I'd post here instead of making a new thread.

I installed my piggy today, did all the necessary things (like let car idle for 15, drive conservatively for 20 mins) and never got so much as a CEL or a bad starting turning the car on, but when I went into WOT, at the 1.5k-3.5k rpm range, I had Noticeably less power, then engine accelerated at about 75-80% slower than without the piggy, higher end seemed to be just the same as before the install, granted my piggy didnt have the cd for the R4 program in the package (I already emailed brian at roadrace about that). but should that be expected for the RA on the base map?

My mods are SRI, UDP, and fast cat exhaust, which should be similar enough (in my mind) to the base tune for CAI, UDP, and axle back, but I was still surprised at the decrease in power, I rechecked all the wires from the install and everything is just how the instructions say, can anyone explain this loss of power to me?

Last edited by joeyj; May 20, 2008 at 11:01 PM.
Old May 22, 2008, 11:56 PM
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anyone?
Old May 23, 2008, 02:32 PM
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it was the same for me. didnt really feel any difference. but then again i was using only 87. what have u been using?
Old May 23, 2008, 03:27 PM
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dont believe it diff dan cause now im using the ecu from a 4g69 galant. but auto and 5 speed would differ.
Old May 23, 2008, 05:09 PM
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Originally Posted by joeyj
anyone?
Call me cause that just don't sound right.

ROAD/RACE
Old May 23, 2008, 08:50 PM
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I'll do it tomorrow rock, and I've always used 93 octane premium gas, made sure everything is installed correctly.

My Cd for the R4 wont get here till Wednesday so I've just been going off feel for the past week and its a deff decrease in power.



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