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74GTS @25psi and E-85 results.

1.6K views 25 replies 17 participants last post by  SuperRunner  
#1 ·
Hey guys thought I would share my numbers since I don't have anything else better to do right now. This was done with my 74GTS, E-85 and 25 psi. Feels good not to pay a butt load for C-16. And even a better feeling that I can get this fuel at the pump. My shortblock is still factory with a mild built head. My fuel system is still my virtual works kit with 1000cc injectors, dual walbro's and -6 lines. My plugs are 6097's gapped at 22. And I don't have to change them nearly as often as I used to.

Image


And here is a short video of the pull.
http://s3.photobucket.com/albums/y98/suprawillis/?action=view&current=e85dyno.flv
 
#3 ·
True however I think E-85 prices in Utah are high compared to others. I am paying $367 per gallon on E-85. The gas station I get it at likes to keep it one cent under regular fuel. But it is better than paying $90 for a 5 gallon drum here for C16.
 
#4 ·
Looks strong. How do SuperFlow numbers compare to Dynojet's?
 
#6 ·
Very nice,now run it at track to see what kind of traps you get thats alot of power for 25 lbs,I was only able to get 652 at 21.5-22lbs.
 
#7 ·
Thanks man. I took it to the track a while back but it was 35 degree temps so I didn't hook at all in any gear and costed to a couple of gay numbers. Will be going again at the end of this month.
 
#12 ·
Ignition is just the HKS DLI with AEM. The injector duty cycle is maxed out with those injectors. The timing is super conservative. I am upgrading to 1600's to run 28 psi but the silver car Cody and I worked on made 673 rwhp on a 71mm turbo and 1000cc injectors on Sunday. But Cody ran -10 pro lite lines from the rail all the way to the tank and the car has fuel all day with 86 percent duty cycle. He loaded my map into the car and played with the timing and it made a huge difference. We believe there might be some 50 or more horsepower left in my setup if we play with the timing. But for now I am happy with the setup it is more than I need for the street and hopefully I can squeeze out some respectable times at the track. I just need to learn how to launch that 6 speed.
 
#14 · (Edited)
Adding more timing would require more fuel, so if you already maxed out on the injectors then for your specific setup right now. Thats all she wrote. Go put those 1600's and crank it...

At the same rate you save alot of money of c16, during regular city and highway driving your mpg must go to shit .
 
#13 ·
Congrats. Very good power. :agreed:
Love seeing cars running on the corn fuel!
One of the better things in recent history that happened to the performance industry in my opinion was E85!.
 
#20 ·
Great #'s, how built is the head? Oversize valves, etc? Also, what a/r is the exhaust housing on the turbo? How much total timing are you running? Again, good #'s, thanks for the info and post when you get it to the track.
 
#21 ·
I'll have to get the timing numbers from Cody when I get the chance. The a/r on the turbo is .96. And the head was just cleaned up by a local machine shop with crower springs and Ferrea valves that are factory sized. Rev limit is set at 8300 RPM.
 
#22 · (Edited)
Hey man, so where are my highway pull numbers? I am impressed with the numbers you got though.

Anyway, I have no idea what HP I was at, but I have the 1600cc injectors with -10AN lines and a weldon pump, not even close to maxing out the injectors at 52% duty cycle and 28psi on a 70mm and 8.7:1 compression.
 
#23 ·
You guys are giving me butterflies..... Brandon, hurry yo' azz up and give me my damn valvecovers so I can button her up and get her tuned!!! ;).
 
#24 ·
Thanks for the replys guys. I get a little over 200 miles to the tank wth E-85. BUT that is with a ton of boosting/railing/raping. Almost 60 percent raping to 40 percent regular driving. So I can't complain.

Hey Rob, i'll try to get that data hopefully tomorrow night.
 
#25 ·
Dude thats tight, congrats foreals.... and @3$ a gallon and beaing able to boost 2bar..i say its really sweet... i was going to ask on a new thread but since were talking about e85 already, i have an NA-T and was kinda looking into e85, NOW I REALLY DO, what do i need, im running a 255pump,440cc inj,upgrading to 550cc as soon as i find some...what else do i need to upgrade to e85 fuel setup??..or anyone??... oh BTW, you said a little over 200mp tank, alooot of boosting, u should try on normal driving, and see what you get..:lol:.. cause im interested..ha..