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Old 10-16-2016, 03:19 PM
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Steve Haefner
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When reviewing my log after a run I determined that the log show me never going more that 83.9% Throttle (TPS). I can assure you it was mashed the entire 1/2 mile. Is this a normal thing or do I have an issue. The event was still wicked fun, just now I wonder do I have an issue? Thanks in advance, I'm still in Indiana and couldn't login to HP Tuners. Beside I figured it might be a vette thing or something. Again thanks in advance, See attached.
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indiana-2016-2.hpl (783.0 KB, 127 views)

Last edited by Steve Haefner; 10-16-2016 at 03:24 PM. Reason: correct TPS number
Old 10-16-2016, 06:23 PM
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schpenxel
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That is normal

(though fuel trims are at like 25% at idle.. probably want to work on that)

Last edited by schpenxel; 10-16-2016 at 06:41 PM.
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Old 10-16-2016, 10:57 PM
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This is good to know , I was just looking at my logs and saw the same thing and had the same question

Dave
Old 10-17-2016, 02:07 PM
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Steve Haefner
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Originally Posted by schpenxel
That is normal

(though fuel trims are at like 25% at idle.. probably want to work on that)
Ok so it normal as in don't need to fix / change anything / we are all good?

Sounds good on the fuel trims at idle, now if I only knew how to work on that lol. Super new to tuning myself, in-fact may never really tune it myself, but what the ability to see / ask for advise as I have done here.

It was tuned by a very solid tuner in the area and maybe because he tuned it in Feb the trims are off? Also that was like my 2nd run within say 20 mins or so, otherwise I'll take any advise. Thanks again schpenxel!

Event was great, my best was 145.767 mph
Old 10-17-2016, 02:10 PM
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Yeah, it only goes to 83'ish % for whatever reason. I don't know why, but it's normal for it to report like that, so nothing to worry about and nothing to fix
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Old 10-17-2016, 02:13 PM
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Originally Posted by schpenxel
Yeah, it only goes to 83'ish % for whatever reason. I don't know why, but it's normal for it to report like that, so nothing to worry about and nothing to fix

Great! If you are bored let me know about this fuel trim at idle and I should do. Maybe take a quick peak at the tune (see attached) Thanks again!
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20160922-CurrentLoaded.hpt (1.38 MB, 111 views)
Old 10-17-2016, 02:31 PM
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Add mass airflow [frequency] to list of channels you're logging, get another log and I'll show you what to change.

Basically need to change MAF table, but need to be able to see frequency it's outputting to know what areas to change
Old 10-17-2016, 03:16 PM
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See attached, let it idle a bit, slow driving out to the front of the sub, then quick hit and back
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Old 10-17-2016, 03:23 PM
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Try these values for your MAF table. Make sure it's in g/sec before you copy/paste these in
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Old 10-17-2016, 06:46 PM
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Originally Posted by schpenxel
Yeah, it only goes to 83'ish % for whatever reason. I don't know why, but it's normal for it to report like that, so nothing to worry about and nothing to fix
http://www.hptuners.com/forum/showth...2069#post32069
Old 10-18-2016, 11:09 AM
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Originally Posted by schpenxel
Try these values for your MAF table. Make sure it's in g/sec before you copy/paste these in
Thanks a ton for this , now I just got to figure out where to change this !
Old 10-18-2016, 11:26 AM
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(insert disclaimer about not responsible for blowing something up, etc. )
Old 10-18-2016, 11:30 AM
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Originally Posted by schpenxel
(insert disclaimer about not responsible for blowing something up, etc. )
yeah no worries, I just asked on the HP Tuner forums, but I think I;m getting close to finding it. Thanks again man you are awesome!
Old 10-18-2016, 11:40 AM
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Found it
Old 10-18-2016, 12:17 PM
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For your review
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fueltrimrun.hpl (1.04 MB, 114 views)
Old 10-18-2016, 12:49 PM
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schpenxel
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St. Jude Donor '15

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Looks a lot better

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