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Conversion PCM/Wiring questions

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Old 03-08-2016, 02:13 PM
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Default Conversion PCM/Wiring questions

So, I'm not sure if this forum or the conversion forum is right, but it more pertains to PCM questions so I'm going to try here. (Moderators, feel free to move to the appropriate forum if you feel this is the incorrect place.)

So I'm building a turbo 5.3 in an 85 Thunderbird (Project Thunderturd in the FI section). My question regards the MAF and the PCM placement. Should I move the PCM to the passenger compartment? The reason I ask is that I have to extend a LOT of wires if so. If that's the best path, I have no problem doing it, but if it's not necessary then I'd like to avoid doing that much work for almost nothing. If I need to extend, is 18 ga TXL wire equivalent to factory? (I'll be soldering and shrink wrapping the wires together if I go this route. Also, if extending, I would just cut the wire in the middle somewhere and just use black so that the appropriate colors are at the PCM and the connector to avoid buying 30 different rolls of wire.)

Regarding the MAF, since this engine (L59) came with both a MAP and a MAF, would it be alright to just remove the MAF pinouts since I will be using MAP for the FI build? Also I will be disabling the O2 sensors and using HP tuners for a VE tune only, so I don't see why I should leave those in the harness either.

Just a few questions, hopefully this clears things up for me. Thanks in advance!

Last edited by Black89Z51; 03-08-2016 at 02:35 PM.



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