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Discussion Starter #41
Question. Put a mighty mouse catch on. Wholy smokes there's a lot of milk in it.
How many passes do you get on e85. I changed the oil and it was way thinner than it should be. But there's quite a few passes on the oil.
I made a n/a pass just get water. Shoot it with a 150 shot and I get alot in the catch can. I assume I am burning out the moisture in the oil.
 

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We always see some of that in catch can.Just part of it.Thinner oil the worse you see it.I run 15-40 rotella on streets and track.Our pump gas deal we drive 80 miles to track and make 1/2 dozens runs and go home.I can see and smell fuel in it but has never been issue.We started e85 in our stuff in 99.We never put over 500 miles on our oil .Our afr has always been 12.5 area under load.We try and keep water temp in 185 area.Cooler than that and oil looks worse.We have dry sump and warm oil before hand.
 

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Discussion Starter #43
Made a wholesale change this weekend. My previous tune was all over the map for consistency. I went with the Mark Sullens tune. Did exactly what he told me.
11.6 AFR 30 degrees timing. The stupid car ran 10.60 all day and the DA went from 400 to 2300 through the day. Next day. Little more humidity it ran 10.68 first hit (with a head wind) humidity went down wind laid down and the stupid thing ran 10.60. Not sure if it was just a fluke but I ran 10 passes all 10.60.. Old tune 10.58 best pass then 10.80 by the end of the day.
 

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Just to add to the conversation, my LS6 likes it lean on E45 (not E85). Like 13:6 lean on lower timing. I think maybe because its E45?
 

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Discussion Starter #45
Just to add to the conversation, my LS6 likes it lean on E45 (not E85). Like 13:6 lean on lower timing. I think maybe because its E45?
I cant respond to your PM. But to answer the question. I have not seems any significant MPH changes. I have ran 12.4 to 11.6. Most being high 124 to low 125.

Do you race it? Is it consistent that lean? Whats low timing? What kind of heads?
 

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I have 243 heads all stock LS6 block. 22 peak tq to 25 up top. I race in the 1/8 mile. 93 MPH is the highest so far. Shooting for 95 MPH.
 

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NA , 12.7 to 13 with the meter set for gasoline. Oddly enough, my blower car it likes 12.3 to 12.5 at 10 pounds. The nitrous car likes it around 13 as well.
 
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