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p28 with a y8

Old 04-10-2006, 12:11 AM
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Default p28 with a y8

i want to use uberdata over crome cuz its easier to use to me. i imported the p28 and in the timing sections i went over the whole ignition map and scaled it down until i got 12 timing then i set my timing and advanced it on the dizzy to 12 so they match up. would this be a conservitave ignition map? i dont have a egt guage or anything but my car runs alot smoother like this. i changed my fuel maps to 440s and boost to 120% but my idle is pretty lean at around 16-21 it jumps once in a while but ussualy its at 17.
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Old 04-10-2006, 11:10 AM
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Default Re: p28 with a y8

retard your timing a little bit in uberdata using the step retard just to be safe. your idle afr should be aroiund 14.7 so start adding fuel untill you get it down. it sounds like it just needs a little bit of tunning.

Mark
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Old 04-10-2006, 01:47 PM
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Default Re: p28 with a y8

i scaled the map with even more fuel and my timing in uberdata was 11.8 and my dizzy was at 11.8 i went to the gas station and on the way back i couldnt help but boost so in 3rd gear i was at 5psi at around 5k rpm and i heard this big PSHHHHHHHHHD sound like a bov at 50 psi. i think i blew a head gasket or fucked my engine. but i ordered a fmu and fuel pump cuz i dont have enough time to tune my car and timing is hard to tune. so for 2 months or so ill be using a fmu at 5 or 6 psi.
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Old 04-10-2006, 02:30 PM
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Default Re: p28 with a y8

FMU + Fuel Pump + HG = more than tuning it right.
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Old 04-17-2006, 05:45 PM
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Default Re: p28 with a y8

your maps scaled down to 12* at idle should still be too retarded.
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