LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Bad day at the dyno le2 combo results

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Old Jul 23, 2008 | 05:36 PM
  #1  
Billet ss's Avatar
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Bad day at the dyno le2 combo results

94 camaro z28 le2 combo,30 lbs fords,255pump,58mm asm t/b,passetters,flowmaster catback,3400 edge,12bolt 3:90 gear.
A/f ratio was about 14.2 across the board,we added fuel only to see it wasnt helping,(fuel pressure was at 46psi) found out that the volts were reading low(12.5 volts) it has 14.00 volts at the battery(which is in the back) and alt,but only 12.5 volts after the pcm,we checked it at the injectors it was 12.3 volts we then tryed to boost the volts by hooking up a charger to the post and it had 13.6 volts,so we made another pull and the a/f went to 13.00
I also has 2 codes 33 and 64

Last edited by Billet ss; Jul 23, 2008 at 05:40 PM.
Old Jul 23, 2008 | 06:09 PM
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Where are your graphs? What was the power made?
Old Jul 23, 2008 | 06:22 PM
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anybody?what can I do to fix this?
Old Jul 23, 2008 | 08:07 PM
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What gauge wire are you running from the battery to the distribution block up front? If it's not large enough then line drop (voltage drop in the line) may be your problem. Also check your ground connections.
Old Jul 23, 2008 | 08:37 PM
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the wire is either 2 or 0 gauge,it made 351hp304tq when the a/f was 14.2 then when to 359hp316tq when the a/f was at 13.0
I went to the dyno a few months ago and was told I was lean with a a/f of 14.5-15.4 but it made 363hp366tq?
Old Jul 23, 2008 | 08:41 PM
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grounds seem good I just added another from the motor to the frame,the one on the motor mount to the battery,I thought it should be to the motor? I just tryed cranking it and the volts dropped below 11.0 until it started? It doesn't have a problem starting or holding a charge,I just started it after sitting 3 weeks.

Last edited by Billet ss; Jul 23, 2008 at 08:57 PM.
Old Jul 23, 2008 | 10:02 PM
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Find out what gage the wire is.
Old Jul 24, 2008 | 11:17 AM
  #8  
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Its 1 gauge,I noticed that the charging system was at 12.? even before the battery in the back,and its a new redtop optima,what can I do to bring the volts up?
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