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Old 12-25-2009, 12:47 PM   #1 (permalink)
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Default 255 / ID1000s / E85 - Max Power?

I am trying to calculate the max power I can get out of this setup:

- Single Walbro 255 HP in tank (w/rewire)
- ID 1000 Injectors
- 6AN feed
- Stock feed line (5AN) as a return
- Stock fuel rail (regulated 1:1 before the rail).

On pump 93 I am confident I can get 450whp no problem. What is the max for this setup running E-85?

I know everyone running E-85 is switching to the Bosch 044 in tank pump, but that requires cutting up the stock surge tank. I don't want to do that.

Can I get away with the above setup for 400-425whp on E-85?
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Old 12-25-2009, 01:43 PM   #2 (permalink)
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it will be close, but may happen, may not. i have a inline 255 in my feed line with a 255 pushing it, and i got 420whp with some more room to go.
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Old 12-25-2009, 07:27 PM   #3 (permalink)
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Quote: Originally Posted by dwaleke View Post
I am trying to calculate the max power I can get out of this setup:

- Single Walbro 255 HP in tank (w/rewire)
- ID 1000 Injectors
- 6AN feed
- Stock feed line (5AN) as a return
- Stock fuel rail (regulated 1:1 before the rail).

On pump 93 I am confident I can get 450whp no problem. What is the max for this setup running E-85?

I know everyone running E-85 is switching to the Bosch 044 in tank pump, but that requires cutting up the stock surge tank. I don't want to do that.

Can I get away with the above setup for 400-425whp on E-85?

This one is a trick. And it's related to fuel pressure. The 255 could push enough fuel for your 450 number on E85 - if it didnt shit after 70psi.

your in the 380-400 range on E85.

Those ID 1000's need pressure (040 or 044) for E85, they just need a 255 for Gas.

I think you may like the bosch 040 it is small enough to fit in our cannisters for sure. Lil bigger then a 255, but TONS more flow. 289LPH to the 044's 300LPH. it's also good to 100psi.

This would allow you to get to that magical 1525CC number with your ID 1000's - otherwise you have to commit to E85 and go with the ID2200's They idle fine on E85, not so fine on Gas.

the 22's with a 255 would make your number at the lower pressures.

This in terms of base fuel pressure. For 500ish on E85 you need a base of 70psi, with your Vac you pull about 10psi out at idle so 60psi idle pressure, then I used 30 psi of boost, so at 30 psi of boost, I was seeing 101psi of fuel pressure, and my 1000's were flowing 1525 and only working to 80% duty cycle.

I hope thats clear.

NachO
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Old 12-25-2009, 10:33 PM   #4 (permalink)
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Very clear. Thanks NachO. Very helpful as usual.


I was looking into the 040 pump, but I wasn't sure on its size. I think the 040 with the ID 1000s would be the way to go. That way I can decide between E85 and 93. I have both at a few pumps near me so I would probably switch to E85 completely, but it is nice knowning I could run 93 without issue if I wanted to.

I haven't taken the stock canister out yet. Is the fuel sock attached to the canister or directly to the fuel pump? I ask because I'm not sure if I need the special fuel sock everyone is putting on the 044 pump or not.
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Old 12-26-2009, 05:08 AM   #5 (permalink)
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Quote: Originally Posted by dwaleke View Post
Very clear. Thanks NachO. Very helpful as usual.


I was looking into the 040 pump, but I wasn't sure on its size. I think the 040 with the ID 1000s would be the way to go. That way I can decide between E85 and 93. I have both at a few pumps near me so I would probably switch to E85 completely, but it is nice knowning I could run 93 without issue if I wanted to.

I haven't taken the stock canister out yet. Is the fuel sock attached to the canister or directly to the fuel pump? I ask because I'm not sure if I need the special fuel sock everyone is putting on the 044 pump or not.


Our sock attaches to the cannister - Check my 044 intank hread for pics.

Glad I could help! FYI: I'm unaware of anyone doing a 040 in an SRT yet - You might be the worlds first (grin)

NachO
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