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Tuner in Training
KR with winter blend E85
I have a 2001 Pontiac Grand Prix. it has ported heads, xp cam, headers, and a built transmission. I recently switched over to E85, which as it turns out is E70 in the colder months, and still have kr. I have been trying to figure out what is causing it for more than a year. Here is my Tune, and a scan I took today. 4 26 pm on 4 nov.hplE70 overkill stock maf 4 nov.hpt
if you guys see anything I can change that might help, I am open to suggestions.
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Tuner
http://www.grandprixforums.net/threa...ur-car-for-e85
Read this, it's a good read.
Plus the Mass Airflow line is not smooth, the VE Primary is not smooth. I'm not perfect but Air Fuel Ratio at 14.75 for E70?
Is this a mail order tune?
Last edited by 507; 11-08-2016 at 09:06 AM.
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Tuner in Training
It is a mail order tune, but has some adjustments made by me. I'll double check the mass airflow curve. I haven't ever bothered to mess with the VE tune. I have the AFR for PE set to 11.7, and it usually runs pretty close to that at wot.
it looks like the bearings in the supercharger snout are about shot, so I am going to replace the snout with a rebuilt unit and will report back after that.
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