Paulvti Posted June 20, 2013 Share Posted June 20, 2013 Hi all,Once I've purchased my MC2 I'm going to be buying a hondata ecu,Will I need a conversion harness?Are the MC2's OBD2 or OBD1?Thanks, Paul Quote Link to comment Share on other sites More sharing options...
NIKH25 Posted June 20, 2013 Share Posted June 20, 2013 They are obd2 but have an obd1 harness. Quote Link to comment Share on other sites More sharing options...
Paulvti Posted June 20, 2013 Author Share Posted June 20, 2013 They are obd2 but have an obd1 harness.Huh?So if I'm changing to the hondata (obd1) ill have to downgrade the distributor to obd1? Quote Link to comment Share on other sites More sharing options...
NIKH25 Posted June 20, 2013 Share Posted June 20, 2013 I really don't know enough about this to help to be honest I know the p9k ecu is obd2 and the plugs are obd1. Quote Link to comment Share on other sites More sharing options...
gary1mc Posted June 20, 2013 Share Posted June 20, 2013 im having similar problems i know that the mc is obd2 but which im seeing obd2a and obd2b listed everywhere i look . just to add 1 more complication for you . and about the dizzy no you can leave it as is just need the correct jumper harness for the new ecu (i asked the same question) Quote Link to comment Share on other sites More sharing options...
Paulvti Posted June 20, 2013 Author Share Posted June 20, 2013 Argh what on earth is it then lol So confusing obd2a or b and then do you even need a conversion harness if the harness is the same as obd1? Crazzzzzzyyyyyy Quote Link to comment Share on other sites More sharing options...
gary1mc Posted July 11, 2013 Share Posted July 11, 2013 I think you can mod existing harness but you can get a conversion harness on eBay for about £30 Quote Link to comment Share on other sites More sharing options...
Guest Posted August 20, 2013 Share Posted August 20, 2013 Hi all,Once I've purchased my MC2 I'm going to be buying a hondata ecu,Will I need a conversion harness?Are the MC2's OBD2 or OBD1?Thanks, PaulIf you're not planning on going boosted or not going hardcore for the internals there's no need for Hondata. I ran Hondata on my old d16z6 (P28 ECU) but I have done ported and polished head, lightened/balanced crank, +1mm oversized Crower pistons and eagle h-beam rods, Titanium valves and springs, Spoon bearings, ARP head bolts and main studs, Stage3 Cam, Skunk2 can gear, lightened pulleys, flywheel and stage 2 clutch. This was also used with a T3/4 hybrid turbo setup.I had everything setup and running it at 12PSi using Hondata however I don't see the point of buying one to install if your not going to build the engine.PS: When you buy a Hondata you tend not to buy the actual ECU, you get the chip to install into your existing ECU.If its going to be only bolt ons just GOTO a reputable mapper Quote Link to comment Share on other sites More sharing options...
Paulvti Posted August 21, 2013 Author Share Posted August 21, 2013 What power is your Z6 running then dude with all that work?I'm just getting a socketed P28 for now the main thing that confused me is the ecu harness but I spoke to daz at endless horizon and he said you just need to trim a little tab off one if the plugs for it to fit straight on so no problem Quote Link to comment Share on other sites More sharing options...
Paulvti Posted August 21, 2013 Author Share Posted August 21, 2013 Oh and he's the guy that will be tuning my engine as he is very good at mapping Hondas and seeing good safe powers Quote Link to comment Share on other sites More sharing options...
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