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| fuel fuel and more fuel E85 http://www.ladsm.com/forum/viewtopic.php?f=7&t=12804 |
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| Author: | awdmonster [ Fri May 13, 2011 8:33 am ] |
| Post subject: | fuel fuel and more fuel E85 |
Last time I dynoed Sam mention that my pump was maxed out @ 430 hp 400 lbs tq my current fuel set up is 255 with re wire 1200cc AFPR stock lines tuning gurus chime in would i just need a bigger pump ? or bump the size on the injectors ? |
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| Author: | CaptainTonus [ Fri May 13, 2011 8:59 am ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
You need a bigger pump and larger feed lines at a minimum. 1200cc injectors should be big enough for a while, it really depends on how much power you want to make. I'd add an 044 pump inline and keep the Walbro in-tank and upgrade to -8AN lines feed & return. The stock fuel filter is also a pretty big restriction, you're going to want to change that too. |
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| Author: | -red97rum- [ Fri May 13, 2011 10:28 am ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
Yo The Tank! You should definitely add a second pump or pick up one of those bad ass new Deatschwerks 300lph in tank units. I'm running a 255 in tank and bosch 044 inline with 1650 injectors. On my logs at 34-35psi of boost I'm seeing duty cycle hit 73-74% peak. I'm still running the stock line from the tank to the bosch pump though.. I'm planning on upgrading the feed line over to -6 so we'll see if that changes anything. |
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| Author: | CaptainTonus [ Fri May 13, 2011 10:55 am ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
| Author: | awdmonster [ Fri May 13, 2011 11:27 am ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
I Was thinking of only runing one pump like the Deatschwerks 300lph keeping the fuel system pratical my power goal would be 450 470sh On the Fp green On e85 |
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| Author: | -red97rum- [ Fri May 13, 2011 11:28 am ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
I think you can hit that with the 1200's and a stronger pump for sure. |
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| Author: | clockworktoy [ Fri May 13, 2011 4:55 pm ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
Upgrade the lines, and that 300lph pump and you should be good. What were your %IDC's? |
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| Author: | awdmonster [ Fri May 13, 2011 5:00 pm ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
| Author: | Illeagle [ Fri May 13, 2011 8:55 pm ] |
| Post subject: | Re: fuel fuel and more fuel E85 |
Heres the graphs. IDC's are misleading due to lack of fuel pressure. I kept increasing IDC's towards the top to try to richen the mix up a bit more, but it kept leaning out to 12.8:1 on our dyno (reads about .7 leaner than onboard wideband) so its actually around 12.1:1. The graphs are comparing to the old 20G setup vs the green. Same boost plot.  
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