Enough fuel pump w/ E85 ??
Part of the problem at 1200rwhp was that I had a high base pressure combined with the rising rate FPR which put them out of their efficiency range. I'm headed in for final dyno tuning sometime this month so we'll see. The two big pumps with BAPs and lowering the base pressure to 45-50psi should flow 1500rwhp e85 without breaking a sweat.
Part of the problem at 1200rwhp was that I had a high base pressure combined with the rising rate FPR which put them out of their efficiency range. I'm headed in for final dyno tuning sometime this month so we'll see. The two big pumps with BAPs and lowering the base pressure to 45-50psi should flow 1500rwhp e85 without breaking a sweat.
If you set it at 40psi, you could run 30lbs boost and only be at 70psi fuel pressure.
I'm sure there is something that I'm missing though since it is apparent that you have experience with making power.
I had hit 700whp easily on the 2 that are in the tank now on E85. I figure 1 more 900whp wouldnt be an issue.
I have a similar question but regarding a blowthrough app. I currently have one A1000 with a 10 feed & return and a2000 4 port regulator. If I add another A1000 and Y it into the 10 feed line would that be sufficient for 1000 or 1100hp on e85?
Carbureted engines:
Up to 1500 HP for naturally aspirated
Up to 1200 HP for forced air induction.
Up to 1500 HP for naturally aspirated
Up to 1200 HP for forced air induction.
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Aeromotive 340's would be more than i want to pay. Under $100. shipped for a walbro is a deal... i already ordered another one. I have the 2 pumps now run all the time. I might run just 1 and then have the other 2 hooked up to my auxilary output on my Eboost2 to come on at boost.
Personally I would rather have it not run at all and strand me then thinking everything is OK and going WOT and finding out after the fact that it wasn't. Then again one of my cars has a big Magnafuel and the other has dual walbros so ignore me. LOL!
If one breaks.... If im miles away from home... I drive home like nothing is the matter because i have 2 backups. What do you do? I guess while your stranded you'd have plenty of time to think about it...
Aeromotive 340's would be more than i want to pay. Under $100. shipped for a walbro is a deal... i already ordered another one. I have the 2 pumps now run all the time. I might run just 1 and then have the other 2 hooked up to my auxilary output on my Eboost2 to come on at boost.
Aeromotive 340's would be more than i want to pay. Under $100. shipped for a walbro is a deal... i already ordered another one. I have the 2 pumps now run all the time. I might run just 1 and then have the other 2 hooked up to my auxilary output on my Eboost2 to come on at boost.
The big difference is you will most likely know something is wrong beforehand and the likely hood of it going out in the middle of a pull is pretty damn small compared to the alternative.
If someone is really that worried they could run a FPSS to either drop all boost or set off a warning light or hell even shut down the car, that is with EITHER setup.
I was getting at exactly what 93form and NicD said
You will not know you have a problem with one of the pumps until you load it and have a lean condition
With the big pump you have a better chance of knowing something and if it just ***** completely which seems typical... no harm done
You will not know you have a problem with one of the pumps until you load it and have a lean condition
With the big pump you have a better chance of knowing something and if it just ***** completely which seems typical... no harm done
exactly, i had the twin and triple setup, what happens is the rubber line would decay and have plenty of fuel until high boost, then the line would break and pressure would drop, i killed a motor by going lean like that, if one pump dies off, the car will fall on its face.
