[Dmacc]

Originally Posted by 135Pats

Dmacc what type of peak boost are you seeing? You must be spinning those things pretty good.

Peak boost is about 21psi midrange. I'm on crappy RE760 all weather tires, only 245's in the rear. If it's just myself in the car and it's about 60* or less outside, I can barely hook third gear on the highway, but 4th gear feels like the freight train from hell I've always wanted.

[OpenFlash]

Originally Posted by 135Pats

Agreed...but even then, the DME will be inclined to pull out timing if it senses CATs that it doesnt like. Even assuming in cylinder temps looks great thanks to the ethanol. On repeated pulls I gotta think an upgraded FMIC would be of benefit. Regardless, that type of wtq on stock turbos is incredible.

With the Flexfuel Procedeflash, the DME does not pull timing with high IAT/CAT. All the IAT/CAT based timing retard is done in the Procede. It knows how much ethanol the car is running by reading the flexfuel sensor signal.

There is definitely a benefit to going with an upgraded FMIC. But it's mainly from a reduction in pressure loss so the turbos can work a little bit easier.

Shiv

[2Times]

Originally Posted by Dmacc

I short shift around 6100 RPMs, 500tq at 3000rpm feels like a kick in the pants!

That's what I was thinking in the back of my mind (no need to go much above 6k). Has to be a fun ride

[VNeBLOB42]

Rain makes Corn, Corn makes Ethanol, Ethanol makes my car..... drive a little faster..



I know rhyme's good huh..

[Bluesun]

So the torque falling off a cliff at higher revs is due to the small turbos, correct? Are they being pushed very hard here? I'd love to run E85 regularly (once my clutch gets replaced) but if it's a better idea to wait until I upgrade the turbos (likely next year), I don't mind waiting for the sake of not having something let loose.

On that note I should also probably change the charge pipe...haven't found a cheap one yet though.

[ken1137]

Whoa!

[akotten]

Anxiously waiting for tomorrow, so I can use my mods to their potential for results like this. Sucks living in the heart of it all (ethanol land/South Dakota), and not having the fueling to support it. Hopefully not for much longer.

[bmwm3redblack]

Originally Posted by Dmacc

Charge pipe is on the way, intercooler is next . This was the first time my car had ever been dyno'd before, I wish I would have done a baseline in the past, or at least a pull on 91 Octane, but I'm happy with the results so far, and as far as how many pulls I can do before I start to see a dip in power, when it was ~65* outside, I did 6 pulls against a cammed/tune/headers 2012 Camaro SS, pulled about 3-4 cars by 120 the first 5 pulls, then on the 6th, he started to catch me, so I did notice a little bit of a drop in timing, but I'm hoping I'll be able to sustain the boost a little better with the charge pipe, as well as reduce IAT's for peace of mind with a FMIC. Thanks for the feedback guys!

Absolutely great result!!! On stock intercooler, and charge pipe the result is fantastik!!!
So from what i see here, i start to think that if use 100% e85 there is no need for meth

[akotten]

Originally Posted by bmwm3redblack

Absolutely great result!!! On stock intercooler, and charge pipe the result is fantastik!!!
So from what i see here, i start to think that if use 100% e85 there is no need for meth

Just remember that methanol adds fuel to the system and E85 requires more fuel. So it can be a strain on the fueling system. None the less, there are solutions out there for this.

[TheStig]

awesome numbers

[pits200]

Originally Posted by Dmacc

Peak boost is about 21psi midrange. I'm on crappy RE760 all weather tires, only 245's in the rear. If it's just myself in the car and it's about 60* or less outside, I can barely hook third gear on the highway, but 4th gear feels like the freight train from hell I've always wanted.

Nice numbers, what's your boost look like through the entire rpm band?

21psi from 2k-4.5k rpm?


Thanks

[bmwm3redblack]

Originally Posted by akotten

Just remember that methanol adds fuel to the system and E85 requires more fuel. So it can be a strain on the fueling system. None the less, there are solutions out there for this.

Ye i know that to run straight e85 you need to upgrade fuel system, but in terms of power, i bet meth wouldn't add a lot to the current setup???

[Dmacc]

Originally Posted by pits200

Nice numbers, what's your boost look like through the entire rpm band?

21psi from 2k-4.5k rpm?


Thanks

21psi around 3k to 12psi at 7k, I'll have to log and see where boost is by 6100

[akotten]

Originally Posted by bmwm3redblack

Ye i know that to run straight e85 you need to upgrade fuel system, but in terms of power, i bet meth wouldn't add a lot to the current setup???

There's only so much heat energy in the combustion chamber to be absorbed by the ethanol vaporization phase change. Its also exponentially less as temperatures decrease (smaller temperature differential, reduced heat transfer rates, etc). Water also has a much greater latent heat of vaporization, which is why it's more difficult to evaporate, than say methanol. It takes more energy to do it. Anyways....Obviously there is a point of diminishing returns. I would say E85 is close, but E95 or E100 might be a bit closer. Adding a little meth might help. That's what testing is for.

[135Pats]

Originally Posted by Dmacc

21psi around 3k to 12psi at 7k, I'll have to log and see where boost is by 6100

Interesting so a conservative taper at redline...though to a fair degree there arent strong gains to be had spinning the stock turbos much more at those revs. Great numbers again bud.

[Dmacc]

Originally Posted by 135Pats

Interesting so a conservative taper at redline...though to a fair degree there arent strong gains to be had spinning the stock turbos much more at those revs. Great numbers again bud.

Thanks man! Going from 91 octane to straight e85 makes you feel like you aren't driving the car you originally bought

[loweredram]

Originally Posted by Dmacc

Charge pipe is on the way, intercooler is next . This was the first time my car had ever been dyno'd before, I wish I would have done a baseline in the past, or at least a pull on 91 Octane, but I'm happy with the results so far, and as far as how many pulls I can do before I start to see a dip in power, when it was ~65* outside, I did 6 pulls against a cammed/tune/headers 2012 Camaro SS, pulled about 3-4 cars by 120 the first 5 pulls, then on the 6th, he started to catch me, so I did notice a little bit of a drop in timing, but I'm hoping I'll be able to sustain the boost a little better with the charge pipe, as well as reduce IAT's for peace of mind with a FMIC. Thanks for the feedback guys!

Just wondering . Are you adding the charge pipe as a preventative measure or is there a performance gain? I've read on the forums it gives better throttle response and flow and that the factory charge pipe will eventually crack. My stock charge pipe is in good condition no leaks or sound baffle I was thinking of changing it out but was on the fence.

[Dmacc]

Originally Posted by loweredram

Just wondering . Are you adding the charge pipe as a preventative measure or is there a performance gain? I've read on the forums it gives better throttle response and flow and that the factory charge pipe will eventually crack. My stock charge pipe is in good condition no leaks or sound baffle I was thinking of changing it out but was on the fence.

Honestly at this point it is preventative. I've heard stories of people blowing up their stock plastic pipe on much less boost, so I'm a little hesitant to keep running the stock charge pipe and DV's, I also might have a slight leak, so I figure it's best to upgrade.

[MikeB@fftec]

Originally Posted by VNeBLOB42

Rain makes Corn, Corn makes Ethanol, Ethanol makes my car..... drive a little faster..



I know rhyme's good huh..

I remember the song going a little differently.

[07tundra]

Nice numbers D! Good job

[akotten]

Originally Posted by VNeBLOB42

Rain makes Corn, Corn makes Ethanol, Ethanol makes my car..... drive a little faster..



I know rhyme's good huh..

"Roses are red, Violets are blue, Cows eat corn, Cars can too!"

This was burned into my childhood memory. I used to read it every time we drove by the corn field that had it.