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Old 02-08-2013, 03:51 PM   #81 (permalink)
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Default Re: E-85 Conversion Input

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Originally Posted by keithmac View Post
Keep an eye on the hose in-tank, I had one that de-laminated and burst due to submersion..
whats the alternative?
I figured a modern EFI hose rated @ 100 psi (or whatever it is) should be good...? But I'd be lying if I said the submersion aspect didn't worry me.
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Old 02-08-2013, 04:24 PM   #82 (permalink)
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Default Re: E-85 Conversion Input

One things I thing would be a good move, is to T the fuel line after the fuelfilter to feed the rails individually.




Thats how I set my car up, so far on stock feed/return. Using a single summit SS fuel filter which I feel like is a little small but it says it shouldn't hinder the flow. I am also using a single hotwired Walbro 400lph (non E85 version) Have been using it for about a year, cant complain seems to do its job.

Haven't gotten to push far on this set up yet, its at 20-21psi on 16Gs and adapter plates. I am using a LT1 GM maf, OLD MAF-T, SAFCII, and ITC, controlling RC1000 at 40psi base pressure, The lowest fuel pressure setting I can set it to, most likely due to the OEM return line restricting the back flow to the tank due to the small size. But car starts/drives around like stock. At WOT I am pretty pleased at the performance, even tho the AFRs are REALLY RICH @ 10.8-11.0. I am also on the stock ignition, just wires/copper plugs gapped at ~.025",

Not sure if this applies but the DSM ignition system is very similar to the 3S system and I have been able to squeeze 37psi so far on a completely stock ignition system on my DSM, so personally I would not get an ignition amplifier until you encounter a blowout problem that cant be corrected with different plugs and gaps. Every cars ignition system is in different conditions.

As far as people having problems with the internal gates blowing open, easiest thing to do would be to install helper springs! I don't have those yet but if I end up having an issue at 25-26psi I will put them on.
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Old 02-08-2013, 05:00 PM   #83 (permalink)
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Default Re: E-85 Conversion Input

Quote:
Originally Posted by keithmac View Post
Keep an eye on the hose in-tank, I had one that de-laminated and burst due to submersion..
yeah I would assume that walbro would ship a submergable hose with their install kit
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Old 02-08-2013, 05:35 PM   #84 (permalink)
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Default Re: E-85 Conversion Input

Some Pics:

-8 from tank into Skillard Underbody Channel (that I love btw):


Out of channel into engine bay:


Fuel Lab -8 SS filter (note -6 return into stock feed):


Feed and Return @ rail:


and of course this:

Last edited by Drweldin; 02-08-2013 at 06:55 PM.
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Old 02-09-2013, 01:39 AM   #85 (permalink)
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Default Re: E-85 Conversion Input

Nice! Really helpful. I'm doing something kinda similar. Just got up and running again. Walbro 400, with 880cc injectors. Stock everything else fuel wise (piecing the lines and AFPR together). Just have it set to 12psi on 15g's runs great though feels really nice. Looking forward to some clear roads and the rest of the fuel system to turn the wick up!

Noticed you're in Iowa as well. I'm in the Cedar Rapids area, if you're close at all we should meet up! The 3S crowd here is shite.

-Ethan
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Old 02-09-2013, 01:53 AM   #86 (permalink)
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Default Re: E-85 Conversion Input

so your saying all you really need for e85 is bigger injectors and a safc?
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Old 02-09-2013, 07:03 AM   #87 (permalink)
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Default Re: E-85 Conversion Input

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Originally Posted by VICKS6G72T View Post
so your saying all you really need for e85 is bigger injectors and a safc?
'maybe' - not really
technically you want more fuel pump to support the injectors...look at your power goals, what the pump and injectors flow, use something like the rc engineering calculator, and of course the experience of members here to come up with your set-up...
I think the e-85 walbro and 880's are a good match. But I went as far as using all new teflon / ss fuel line, SS filter, SS loop, and an HKS DLI (for higher boost reliability)NGK plugs with non-projecting tips...to do it right there's a little more involved. Adds up quick.
Go read Chris Hill's posts on E-85 - there's a wealth of knowledge in those...
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Old 02-09-2013, 01:51 PM   #88 (permalink)
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Default Re: E-85 Conversion Input

Quote:
Originally Posted by Drweldin View Post
whats the alternative?
I figured a modern EFI hose rated @ 100 psi (or whatever it is) should be good...? But I'd be lying if I said the submersion aspect didn't worry me.
I use stainless braided Teflon lines in the fuel tank now, I actually contacted a few hose manufacturers for submersible fuel line and none would recommend their lines.

What happens is the inner part of the hose is compatible with fuel but the ouside is not designed for constant fuel contact, it eventually delaminates and looses all its strenght.

Mine failed at drag racing, throughout the day I had to constantly add fuel into the map which was odd and I eventually had to call it a day, the car broke down on the out road and I had to pull the hanger and fit new pipes just to limp it home..
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Old 02-12-2013, 04:06 PM   #89 (permalink)
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Default Re: E-85 Conversion Input

This seems to be a good option for the fuel hose in tank...I'll probably order a foot in the near future:

Submersible Fuel Line Hose - Hose - Products | Gates Corporation
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Old 02-17-2013, 06:29 PM   #90 (permalink)
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Default Re: E-85 Conversion Input

If anyone wants to split the 1 foot pc of Gates hose i bought, let me know...$10 and I'll ship 6" to you...
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