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Post by 75 Super Beetle on Jan 18, 2015 10:05:58 GMT -5
What is involved switching to E85 for the drag strip? I'm running two IDF's 44 and 10.3 compression. Ideas??
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vw1s
1600dp
I am Jack's Medulla Oblongata...
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Post by vw1s on Jan 18, 2015 10:31:28 GMT -5
Mostly gaskets, fuel lines, and jetting. The alcohol in the E85 will destroy conventional fuel lines and rubber parts in the carb.
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clintonddk
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Post by clintonddk on Jan 18, 2015 16:13:01 GMT -5
E85 is great. I tried it once and plan on trying it again. E85 isn't any more corrosive then regular fuel. I did a test several years back with E85 and 87 octain. I soaked a bunch of vw rubber seals out of a gasket kit in both fuels. To my surprise, the rubber seals in the 87 octain wouldn't pass a stretch test where the E85 did.
I started by increasing my main jet sizes by 20%. Your compression is good. Next make sure your fuel delivery is up to par. I ran a holley blue fuel pump with AN lines. I also was running 48 IDAs at the time that were modified with larger fuel bowls and larger neddel and seat valves.
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Post by 75 Super Beetle on Jan 18, 2015 19:32:33 GMT -5
I've been reading that octane is higher but a less btu's. Another plus not a carbon based fuel so no carbon deposits. I've also oil takes longer to turn black because no carbon in fuel. Third thing engine seem to run cooler. Sounds like a win win but would like to see it and not read it.  |
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clintonddk
1600dp
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Post by clintonddk on Jan 18, 2015 19:48:29 GMT -5
About the only down fall from back when I was running it was the consistently and it was harder to find. Now that more cars can run it and more staitions sell it I'm hoping that'll be different. Also I wish here in Michigan, that we would start making E85 out of sugar beets. From what I herd a lot of sugar beets were tilled under; what a waist.
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MadMike
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Post by MadMike on Jan 19, 2015 7:21:28 GMT -5
My son's turbo-ed Honda has 500HP at the wheels with E85, very clean burn when he blew a head gasket I looked at it ,No carbon build up at all!!!
Must run High CR with it!!
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clintonddk
1600dp
Posts: 755
Joined: Oct 7, 2008 18:16:45 GMT -5
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Post by clintonddk on Jan 19, 2015 11:08:20 GMT -5
Ya, the recommend compression for a NA car was 10:1 or higher. Stainless steel rings were also recommend, if your running a new set of Mahles p/c your good.
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