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Old 07-30-2017, 10:28 AM   #15
andrew78596
 
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Quote:
Originally Posted by LibertyHill View Post
Matt is the best! Bigger low-side supplemental pump??
Definitely is! Yes we speculate the one that came with the kit isn't large enough. It's one thing to be on e85, to add to it, these PD blowers with instant boost need a large amount of fuel to run properly.

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Originally Posted by DFW1LE View Post
Nice build, I bet a rotofab and ported TB might also help.
Thank you sir. Well once we get past this phase we will definitely be adding those components haha. The car runs and drives fine, but as soon as you go WOT fuel cuts at 2000psi.
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Old 07-30-2017, 10:57 AM   #16
LibertyHill

 
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Originally Posted by andrew78596 View Post
as soon as you go WOT fuel cuts at 2000psi.
Its difficult for me to interpret what the graphs show because I don't see an RPM or boost reference along with the other data (and I don't know $hit about tuning). It almost looks like the supplemental pump engagement is captured because pressure increases some then shortly thereafter things get wacko. Can you explain these a little better for us?
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Old 07-30-2017, 05:34 PM   #17
andrew78596
 
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Quote:
Originally Posted by LibertyHill View Post
Its difficult for me to interpret what the graphs show because I don't see an RPM or boost reference along with the other data (and I don't know $hit about tuning). It almost looks like the supplemental pump engagement is captured because pressure increases some then shortly thereafter things get wacko. Can you explain these a little better for us?
I'm on the same boat as you. It's actually weird, because when we first got the kit on, running the lt4 injectors, and lt4 high side with an 80mm pulley (11psi), it was holding. Not sure how many passes were done, but it was a solid 2 days of tuning, when all of a sudden the car went into "reduced power mode" and would not hold pressure during any other pull after. We initially thought it was the pump, then the sensor, both haven't seemed to fix the problem we're having, although yesterday it did hold slightly on one full (3100psi). Mind you, we have a 70mm pulley on now. Until we can figure out what's going on, we can't say what the problem is. Hoping its the low side not being able to hang, causing the ECM to cut fuel. Once we get the larger pump in I'll provide another update. All else fails we'll have to resort to a pump/e85 blend, but we don't want to settle!
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Old 07-31-2017, 09:23 PM   #18
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Good luck keep us posted!
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Old 08-03-2017, 07:27 AM   #19
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Fuel pump came in yesterday. Gonna throw it on this week and get some tuning done next week.
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Last edited by andrew78596; 08-03-2017 at 11:27 AM.
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Old 08-13-2017, 01:35 PM   #20
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Attempt #3

Tuning will go down Tuesday. Popped the lt4 pump back in, and added the larger low side fuel pump.
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Last edited by andrew78596; 11-27-2017 at 01:39 PM.
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Old 08-14-2017, 12:28 PM   #21
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A10 ZL1 is getting some H/C loving
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Last edited by andrew78596; 08-14-2017 at 02:30 PM.
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Old 08-15-2017, 07:10 PM   #22
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Back to holding pressure. This was at 9psi and 30%E. Now to work out the false knock, throw on the smaller pulley and see how much we can bump up that ethanol content.
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Old 12-10-2018, 10:42 AM   #23
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So what happened when you turned the boost back up and why do you have the 2300 for sale?
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Old 12-10-2018, 05:13 PM   #24
hitmix300
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So what happened when you turned the boost back up and why do you have the 2300 for sale?
this thread is 14 months old bro
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Old 12-10-2018, 11:53 PM   #25
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this thread is 14 months old bro
I know this man, but he posted a link to it on Facebook earlier today.
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Old 12-12-2018, 08:57 AM   #26
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I'd like to see how the build is going and some new numbers.
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