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Got a .bin you can send me? I have lots of experience with E85 on my LT1, was able to cold start down to 20F (hard, but started), and reliably down to 35F (enough for daily driving still). I just haven't spent any time on the GN .bin.

My MAF is dead (got an LQ4 from someone) and it was dead out of the box, for the moment I am committed to that setup, so I am running SD for a while. My old MAF is dead, no going back anyway. Any tips/advice? I am having issues in the cold with driveability. I have to make it FAR richer...

We have a ethanol plant near, real close, not sure what happened, you are talking 25% increase in ethanol prices....

Last week we were at $2.25, I know, steep for E85. Then it went to $2.55, then $2.74 where it is now. I can still go 35 mile away and get for $2.24, up from $2.04, but still, $0.50 a gallon jump????? I am in Rockford, IL, and the $2.24 is in Freeport, IL.

I'm not alone in Rockford? Cool! Yup, still in the 2.25 range.... I am thinking of putting my 454 back on a E85 diet this week..... :) My 3800 SC has had it, I am not on it right now, just gas can be more convienent. Hope with gas prices finally dropping a tad E85 will drop more.

RTTunercat2 and a realtime PCM..... :) EFILive for scanning....

Interesting. I'll dig around and see what I find on them. Edit: http://delphi.com/pdf/techpapers/2009-01-0615.pdf

I am figuring this will be a bad summer for high gas prices again, they are $2.75 for gas and $2.67 for E85 in the WINTER (yes, they keep raising the E85 price), and it is January. They gave us a summer off from stupid high, now it will come back by the look of things. So I am hoping to get...

I hate to advertise, but you might wanna cross post on 3800pro.com, there are some rivi guys there. As well as tons of L67 owners.

Oils: What motor oil should I use? Which oil is best for my Porsche or aircooled engine? Got some reading to do..... And this on Mobil oils http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf

I found one article that the CJ spec oils have still nearly 2x what the old SF oils had. I would think they have more than enough. Break in always needs high levels. I don't know if there is any harm in high levels, other than cat performance long term.

I would think EOS and any oil is fine, but EOS and a high ZDDP oil like Rotella T, Delo 400 or Delvac Super or their synthetic kin is overkill. I don't think it really can hurt, but I am not an oil chemist either. I run Rotella T synthetic 5W40 in my L67 Supercharged 3800 and I run 15W40...

Any reason you are chasing the boost control valve? Just a thought, when under boost the ignition system must be in tip top shape. The boost will attempt to put out the spark if it is weak, I have seen way too many 3800's with rusty terminals under the plug wire boots. Take a look, ensure...

On my SC3800 (00 Park Ave Ultra) mine dropped right around 30-35%, worse than my 94 Fleetwood LT1, that one only dropped 20% tops. I guess 10:1 compression on iron heads might help too....

For those of you who have switched over to E85, any clue on your ACTUAL % of mpg drop? Thanks!

Still holding $1.93....

Wish I had the car still, I have my 91 away years ago, might have to try to find one and see if I can make it work. I always felt the rear manifold at the bottleneck was the real exhaust problem. At least on my 91....

Vin C is equal, VIN 3 isn't. At least in 1991 they were. My 1991 Vin C was same as my Series II L67.

My old series I 3800 "C" front manifold wan't bad for flow at all, and had a 2.3" pipe to feed the rear manifold to dump into the cat. Anyone ever look back to those for improved flow? Almost positive same port spacing.

I had wondered how mine would do if I pulled the middle single muffler out and let the two resonators do the rest, but my concern is noise, if those resonators are setup only for specific freq range, then it might sound bad. I hate to hack up a solid reliable factory exhaust too. Are high...