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Mismatched combo. Undersized turbo. Where to go next.

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Old Jul 22, 2013 | 01:15 AM
  #31  
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Boost enrichment is fixed. I've seen a lot of debate on how to set up the Iat table. Does this look sufficient or is it still too aggressive?

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Old Jul 22, 2013 | 01:42 AM
  #32  
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I see no reason to be pulling timing at such low ECT's. If you talk to any experienced dyno tuners, they will tell you that best power is usually made at 210*F. I would start pulling 1* at 221 and ramp up from there if it was my truck.
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Old Jul 22, 2013 | 08:26 AM
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Originally Posted by oakley6575
I see no reason to be pulling timing at such low ECT's. If you talk to any experienced dyno tuners, they will tell you that best power is usually made at 210*F. I would start pulling 1* at 221 and ramp up from there if it was my truck.
Thanks man. I'll go over that table. Any experiences with boosted iat table?
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Old Jul 22, 2013 | 08:45 PM
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Originally Posted by kelsey_canard
Thanks man. I'll go over that table. Any experiences with boosted iat table?
Not yet Hopefully before winter
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Old Jul 23, 2013 | 08:38 AM
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The IAT table looks pretty close to what I used to run if I remember. That will work well driving around and not getting into boost a lot. Stay in boost much and start making heat and you'll blow that out of the water. During the summer especially I would run into the IAT issue. If I knew my fuel was good and I wasn't beating on it repeatedly before cooling it down I could shift that table over a little more still.
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Old Jul 23, 2013 | 12:22 PM
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Originally Posted by silver-mod-o
The IAT table looks pretty close to what I used to run if I remember. That will work well driving around and not getting into boost a lot. Stay in boost much and start making heat and you'll blow that out of the water. During the summer especially I would run into the IAT issue. If I knew my fuel was good and I wasn't beating on it repeatedly before cooling it down I could shift that table over a little more still.
I gave it a wot test with this iat setting. Also, slide the ect retard over a few columns. Never logged any knock, or heard any pinging or rattling. My IATA don't seem to rise much. Wonder if that's because of I'm using the stock iat sensor in the maf? Only moved from 91 to 95 on a 0-100 pull. I'll post some pics of my log later.
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Old Jul 23, 2013 | 12:47 PM
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You need a real iat sensor post turbo and intercooler. The one in the maf is basically an ambient temp sensor now. The air going in is much hotter.
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Old Jul 23, 2013 | 12:58 PM
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Originally Posted by Atomic
You need a real iat sensor post turbo and intercooler. The one in the maf is basically an ambient temp sensor now. The air going in is much hotter.
Ahhh, we'll damn. Always got to spend money. Its between my intercooler and throttle body now, but I have noticed it reacting very slowly
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Old Jul 23, 2013 | 01:00 PM
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Oh, well thats not as bad. Most people put it in front of the turbo. I would still get an aftermarket one. They react much faster. Only costs like $20.
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Old Jul 23, 2013 | 02:09 PM
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Richard where can you find the aftermarket ist sensors? I need to get one as well
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