PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

New mod? = SES..." help"

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Old Sep 16, 2013 | 08:22 PM
  #21  
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Originally Posted by 2xLS1
And if you are going to replace the pump with an OEM style then use only an AC Delco. Stay away from auto parts store off brand pumps especially Airtex.
So what about Delphi OE style , Found part number in ALLDATA and it has same part number as a AC Delco and it $50 cheaper on Rockauto.com??

Last edited by Red97GT; Sep 16, 2013 at 08:28 PM.
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Old Oct 11, 2013 | 10:33 PM
  #22  
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UPDATE:
So problem was bad fuel pump. Now W.O.T O2's read 680ma at 6000rpm.
Went to the track tonight to clarify repair.

cool 60deg night. low humidity perfect night

So after off road pipe. SSRA, P&P TB and LCA I still run the same E.T.'S with out these new mods.

best E.T. of night was 13.156@107.00ran with 2.05 60'. ran pretty much same time back to back 13.156@106.97 w/ 2.08 60'

I ran My P.B in sig in May before these new mods listed.
How can this be????

Seems like comparing time slips my 330' and 1/8mile are slower.
I'M stumped now. I was hoping for a 12.7x or at least a 12.8x heck i would have been happy to just set a new PB. 12.9x

Any thought or ideas of things I can try or check?
Thanks for all your help guys.
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Old Oct 11, 2013 | 11:12 PM
  #23  
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680 mV is still lean for WOT.
If fuel system is good you need a tune
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Old Oct 12, 2013 | 10:36 AM
  #24  
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I was reading 30mv at wot before fuel pump. I have a Diablo tuner.should i get a cord to go ftom tuner to a laptop and data log and let Diablo look at data log?
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