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LS1/85lb inj/walbro255/e85???

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Old 04-25-2016, 01:31 PM
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Default LS1/85lb inj/walbro255/e85???

I was wandering if a walbro 255lph in tank would be enough for 85lb injectors on e85?


Any info or advise would be gladly appreciated
Old 04-25-2016, 01:48 PM
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correction... 80lb injectors
Old 04-25-2016, 08:07 PM
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Not even close. Maybe a 450
Old 04-25-2016, 11:06 PM
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255 is good to about 600 on gas. Take about 30% of that away for E85. I don't think the 255 is E85 compatible anyways. I have Walbro 340 or something like that is for E85, but I just needed to support 800HP on gas.
Old 05-05-2016, 02:34 PM
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I will be running 80's a Walbro 450 and hoping for 600 through an auto on E85. I have read that there are no issues running the 255 on E85, but you will most likely be limited to 400ish rwhp.

Some people have ran the 450 on 80's with E85 to almost 700rwhp, but they have been able to control the pressure going through the injectors a bit better.

A lot goes into the tune. My old 255 will be eventually added to the 450 once I plan to push it even further than the goals I currently have.



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