I have a conceptual polymer HE catch can on my 2013 Silverado with a 5.3L. I filled a 16 oz water bottle with what I drained out of the catch can in around 11,000 miles. Can only imagine that junk going into the intake! I put this unit on at about 1190 miles on my Silverado. Glad I did it early on.

You want a custom E85 tune, then Andy at http://dynotuneusa.com/DynotuneUSA/Welcome.html is your man. I am going to get with him soon about a custom E85 tune for my ride. He is a CMR tuner that can do email tunes just like the other guys here who do custom tunes on gasoline.

I am having a rough time figuring out how some can't see, since I stated the numbers, how using E85 at a cost of 18 cents a mile (based on E85 mpg at $2.45 a gallon) vs. using premium at 22 cents a mile (based on premium mpg and $3.80 a gallon) is a losing proposition. I really figured this didn't ...

No, I am not paying a premium even if I am getting lower mpg. You fail to look at the cost per mile. Like a lot of folks, you are only focusing on the mpg number. In my area premium is pegging $3.80. E85 is pegging $2.45. I get about 17 mpg on premium and around 13.5 on E85. The vast majority of my ...

But the 91+ tune is advantageous if one it fueling regularly with E85. Since all I ever fuel with anymore, because of the lowest cost per mile, is E85, just makes sense to have a tune that more closely takes advantage of the fuel. So, in essence, I am not paying the premium price for premium ...