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

ROAD/RACE RA -Piggy Update

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Old Jan 9, 2006 | 08:45 AM
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ROAD/RACE RA -Piggy Update

Starting Jan 1 we are now including the laptop programmable software with all the piggybacks. If you already have one, software is available for $49. This way you can tune to specific octanes , have multiple maps etc.. Furthermore we updted the supplied tune and map for the RA. Throttle response is improved and even better than before.

Remember even though we supply software all piggybacks come with pretuned N/A maps. Most guys say it is the best thing they have bought for their Lancer to date, short of turbo! Site is all updated. Look on our website for software tech info.


ROAD/RACE:apimp;
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Old Jan 10, 2006 | 12:15 PM
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nice you updated the map
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Old Jan 10, 2006 | 05:05 PM
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This might be a stupid question, but is it possible to program the piggy to not engage MIVEC in 5th gear?
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Old Jan 10, 2006 | 06:31 PM
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Originally Posted by tuffguy
This might be a stupid question, but is it possible to program the piggy to not engage MIVEC in 5th gear?
No. The piggy has no control over the MIVEC switchover point. It only adjusts the airflow signal.

MIVEC switching is a function of engine rpm and oil pressure.

EDIT: You could probably make another Split Second signal calibrator box change the MIVEC switch point, but it would only be able to move it down to 3000rpm or up to 4000rpm without throwing a CEL. It would have to read engine rpm (like the piggy does) and modify the signal from the oil pressure switch instead of the air sensor.

Here's a description of how the MIVEC is switched:

CIRCUIT OPERATION
A battery positive voltage is applied to the engine oil pressure switch output terminal (terminal No. 1) from the ECM <M/T> or PCM <A/T> (terminal No. 27) via the resistor in the ECM <M/T> or PCM <A/T>.

TECHNICAL DESCRIPTION
The engine oil pressure switch converts the existence of engine oil pressure into a high/low voltage, and inputs it into the ECM <M/T> or PCM <A/T>.
When the engine oil control valve operates, the engine oil pressure in the MIVEC system rises. The engine oil pressure switch opens, thus interrupting the application of the battery positive voltage. As a result, the output voltage of the engine oil pressure switch will fluctuate between 0 and 12 volts.
The ECM <M/T> or PCM <A/T> checks whether the engine oil pressure switch turns "OFF" or "ON" during driving.

DTC SET CONDITIONS
Check Conditions
30 seconds or more have passed since the engine starting sequence was completed.
Engine coolant temperature is 77°C (171°F) or higher.
Battery positive voltage is 10 volts or higher.

Judgment Criteria:
Engine speed is 3,000 r/min or lower and engine oil pressure switch is OFF for 2 seconds.
or
Engine speed is 4,000 r/min or higher and engine oil pressure switch is ON for 2 seconds.

TROUBLESHOOTING HINTS (The most likely causes for this code to be set are
Engine oil pressure switch failed.
Engine oil control valve failed.
Open or shorted engine oil pressure switch circuit, harness damage, or connector damage.
ECM failed. <M/T>
PCM failed. <A/T>

Last edited by Myszkewicz; Jan 10, 2006 at 06:41 PM.
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Old Jan 10, 2006 | 07:46 PM
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Thanks for the very technical answer.

ROAD/RACE
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Old Jan 11, 2006 | 10:03 AM
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From: you-taw
Question,

A while ago there was some hubub about people wanting a quick connect harness for the piggy. I would assume that one of the reasons why would be to conceal the fact they had a piggy in the first place. In theory, if it were provided, could we not upload a "stock map" or better yet even disable the PB via the software in the event that we ever wanted to take it back to the dealer without worrying about removing it, would that be possible? Sorry if this is yet another dumb question but thanks for the answers fellas.
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Old Jan 11, 2006 | 10:59 AM
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and is it possable to use it to tune a n2o setup or any other means of forced induction.
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Old Jan 11, 2006 | 11:10 AM
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From: QC
Originally Posted by boozeup&riot
Question,

A while ago there was some hubub about people wanting a quick connect harness for the piggy. I would assume that one of the reasons why would be to conceal the fact they had a piggy in the first place. In theory, if it were provided, could we not upload a "stock map" or better yet even disable the PB via the software in the event that we ever wanted to take it back to the dealer without worrying about removing it, would that be possible? Sorry if this is yet another dumb question but thanks for the answers fellas.
You can rig a switch to do the same on the wire that needs to be cut.
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Old Jan 11, 2006 | 12:09 PM
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I've read a LOT about the piggy back and am seriously considering buying one. I have two questions. My first question is for Rock - What are the gains like without any air flow mods. I currently have only RRM pulley and don't want to lose the low end torque by adding a CAI. Is there a separate map for this set-up?
My other question is for anyone who has had their car into the dealership either with piggyback on or with it removed but the spliced wires showing. Any problems with the dealer as a result?
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Old Jan 11, 2006 | 12:59 PM
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From: you-taw
Originally Posted by blaze_125
You can rig a switch to do the same on the wire that needs to be cut.
awesome thank you!
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Old Jan 11, 2006 | 01:52 PM
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Originally Posted by amax
I've read a LOT about the piggy back and am seriously considering buying one. I have two questions. My first question is for Rock - What are the gains like without any air flow mods. I currently have only RRM pulley and don't want to lose the low end torque by adding a CAI. Is there a separate map for this set-up?
My other question is for anyone who has had their car into the dealership either with piggyback on or with it removed but the spliced wires showing. Any problems with the dealer as a result?
Slightly off topic but I've never noticed any drop in low end torque with my Injen. The Mivec makes sure the torque is flatter than my 6 year old sister. In fact untill I get the motor mount solution I'd prefer to lose some bottom end torque! Tires aint cheap ya know!
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Old Jan 11, 2006 | 01:55 PM
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lol been through like 6 sets of them.
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Old Jan 11, 2006 | 02:01 PM
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Originally Posted by boozeup&riot
A while ago there was some hubub about people wanting a quick connect harness for the piggy. I would assume that one of the reasons why would be to conceal the fact they had a piggy in the first place.
When I installed mine, I used quick disconnects on all the wires. I can remove my piggy and have the wiring back to stock function in less than a minute. The only sign that something was there would be a connector inline with the airflow wire, and a 3" wire hanging down from the power wire and the tach signal wire, with a connector on each. There's also a short ground wire with a connector on it, bolted to ground.
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Old Jan 11, 2006 | 02:07 PM
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From: you-taw
cool. also great information to know thank you guys.
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Old Jan 11, 2006 | 03:44 PM
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I got the software from RRM and actually was able to improve the map a little. I was able to bring out some more lowend power on my car by modifing my original map. This software is pretty neat.
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