ecu tuning gurus, couple of Q's

Discuss the RB20, RB25 and RB26 series engines.
turbocrisper
Posts: 63
Joined: Mon Mar 06, 2006 6:10 pm
Car: 89 Nissan 240SX hatch RB20DET

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I have a romed rb20det. I first want to know how you figure out what cell in the map the car is using in Live Edit .ex at 10 psi 6500 rpm what tp value means what . second i have a tune that i use for 110 octane that i want to haved looked at. i have a bunch of tunes also , teps, impul ,yellow hat, central,


BEST1TUNING.COM
Posts: 141
Joined: Wed Apr 04, 2007 6:23 pm
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Very difficult to understand the tp formula and values representing the load wich is not actually load but a base pulswidth value to equal 14 .7 based on the airflow, then the trim value in the map is used to add fuel to that value. I do RB25 and RB20 ECU remaps and can look over or provide you with a tune for either motor.

turbocrisper
Posts: 63
Joined: Mon Mar 06, 2006 6:10 pm
Car: 89 Nissan 240SX hatch RB20DET

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Since the 20 melted down I am putting in a 25 and running it with the 20'srommed ecu, wiring harness, injectors. but I am curious about my current map so I will shoot it to you email when I have the chance tonight after I pull it from the car .

on another note what romulator are you using, if any, to get a live map trace, or how are you doing the tracing I have the xtronics unit myselfIs the rb20 ecu one of the ones compatable with your t-sec. if so how much for the unit and software

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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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email me, i can help you there.


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