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Location: Sydney
Registered: February 2003
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Microtech tuning for 4age 20valve
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Wed, 12 February 2003 01:22
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Hi guys, just joined your forum. I have a AE86 that has just done the 4age 20 valve conversion. The car is running a Microtech LTX8 ECU. Does anyone know how to tune theses? Or which tuner is good with these ECUs on 20 valves? (remembering low vacuum from quad throttle bodies). Many thanks for your suggestions.
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Location: Adelaide
Registered: May 2002
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Re: Microtech tuning for 4age 20valve
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Wed, 12 February 2003 02:36

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I would say that the best person to tune it would be a Microtech authorised dealer. They undoubtedly have the proper tuning to do so.
If there are a few in your city, choose the one with the best reputation.
As far as i know the later Microtechs get past the quad throttle problem by using a straight line TPS compensation. or is it TPS with MAP compenstion. Anyhoo at times of confusing MAP i think it uses the TPS aswell
Im remembering this from something i read about 7 months ago, so i might be a bit off.
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Location: Sydney
Registered: February 2003
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Re: Microtech tuning for 4age 20valve
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Wed, 12 February 2003 03:39
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Thanks Rex, the base maps that came with the unit are actually quite good albeit a bit on the rich side. I'm really after tuning methds of the actual ECU, as I'm more familiar with tuning Japanese ECUs (Power FC, E-manage & HKS F-Con)where fuel and ignition maps are displayed as spreadsheets (load vs rpm. And the Microtech system is all new to me, even with the laptop software included. Just like another post today on the forum re. Microtech - pump 1, pump 2, WOT map, idle map, etc. all seems bit confusing.
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