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03-21-2014, 04:44 AM | #1 |
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new to OFT, can someone explain?
I am brand new to tuning as I only had a plug and play Unichip before which you could just download the map for your specific tune combination and that's it. I bought an OFT for future FI plans but I am incredibly confused and don't want to blow my car up.
Since I have an Injen intake and catback exhaust I am assuming I would just run a stage 1 91/93 octane map but what am I supposed to look for in terms of how well the map is running and what do I do to make adjustments? I've read terms like MAF scaling and whatnot for intakes so would like some clarification if possible =/. Also my girlfriend won a free K&N drop in filter so would it just be better to revert back to stock and put that in? Side questions, if I want to try out an e85 map, am I supposed to empty the tank and siphon out the remaining unleaded gasoline before switching back and forth or can it have 1 or 2 gallons left? Also for recent purchases will I need to update map (or firmware?) to 1.58+? It should arrive next week so getting ready
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03-21-2014, 07:30 AM | #2 | |
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03-21-2014, 10:19 AM | #3 | |
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and i dont think you need to update to 1.58, as there was no mapping changes done. only update to support more ecu's. |
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The Following User Says Thank You to Tbor For This Useful Post: | l0aded (03-21-2014) |
03-21-2014, 05:03 PM | #4 |
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Cool thanks guys.
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03-21-2014, 09:08 PM | #5 | |
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As you have injen intake it would be worth checking your AFR & fuel trims ect on petrol first to see if its wildy out before you run E85. As you have no flex fuel sensor, shiv's tunes rely on fuel trims to compensate for E% difference. If your MAF is wildy off due intake your fuel trims will already be high this may upset things on E85. |
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The Following User Says Thank You to steve99 For This Useful Post: | Tbor (03-21-2014) |
03-22-2014, 03:15 AM | #6 | |
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03-22-2014, 04:11 AM | #7 | |
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couple of 3fd gear 2000 to 7000 runs usually good shiv generally targets mid to high 11 for afr on petrol at wot trims less than about 4% |
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03-22-2014, 11:25 PM | #8 | |
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If not, I recommend taking a class, seminar, or reading until your eyes bleed. http://www.megamanual.com/v22manual/mtune.htm - look at this site to see some of what you'll have to understand. If you don't know what your doing, don't screw with the tune. It would be horrible to have to rebuild a motor for one wrong change. |
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The Following 2 Users Say Thank You to Createddeleted For This Useful Post: | l0aded (03-23-2014), Nasty Sausage (03-22-2014) |
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