Jump to content
SAU Community

Recommended Posts

Did back to back dyno testing at Boostworx. Eflex made less power then normal 98. The liberty e85 made 15-20kw more. Eflex isn't e85 its e70-e85 as it says on the pump.

While I dont doubt your figures this is totally the opposite of the testing I have carried out for our own vehicles.

However I have never tested 'Liberty' E85 only the United CSR Sarina manufactured blend, I think you may be getting confused with United. If there is a Liberty selling here let me know and I will test it.

E-Flex is a much maligned fuel. As stated on the brochure on the Caltex servo counter this fuel WILL contain as little as E70 in some circumstances, and yes it has when I test it (71% concentration is the lowest measured directly). This gives the fuel an effective tuning RON (my calcs here, not measuring on an octane machine) of around 110 - 112 RON. It is also highly oxygenated which means that it is capable of delivering good combustion energy - significantly higher than that of E85. I do not know why Boostworx have found it makes less power than 98 octane fuel as on a typical 200rwkw turbocharged engine (on a Mainline dyno) we can normally extract in the order of 10% - 14% additional power and torque swapping from 98 to E-Flex. The tuning technique required does however require some thinking outside of the square with some engines.

Yes, my family hack is a Flex-Fuel setup EVO X, and yes it runs on either 98, or more preferably (as it makes a ton more power and costs $40 a week to run) E-Flex :)

CSR Sarina E85 is a little more pure for the racers measuring at around 88% Ethanol in most cases and can make a tad more power than E-Flex (not a great deal in it). We run the United CSR blend in - all - our Willall Racing track and drag cars, but maybe we are missing something? :pirate:

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5936774
Share on other sites

Yup, I meant United not liberty on Tapleys Hill Rd >_<

Not to sure whay exactly it made less power then 98, wasn't by much though 230rwkw vs 226rwkw. Could have been a bad batch of fuel or it could have been down to tuning technique.

But as I said, and you stated above. The United E85 will make more power then eflex as its a more pure blend. Considering the United E85 is as cheap as eflex I know what i'll be buying all day every day.

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5937061
Share on other sites

Cheers guys.

Considering runnoing the evo on it.

A few blokes from other states have been doing it for awhile.

Have seen back to back dyno results and have been impressed...

As far as 'stuffing things up' i havent heard of much. what are the risks?

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5937191
Share on other sites

Here, here, good to see your still a champion for the good stuff Mr Donnon.

I say go for it, Eflex is more than capable even at 70%.

I use the United E85, but have no problems at all throwing in Eflex,

United's wins on my seat of the paints dyno.

Recently tuned a S15 SR to 1.85bar on E85 running a disco with all the bolt on's, got a good compromise mapping both fuels, hasnt had it's power measured yet, but far out it fly's, high 200's at a guess.

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5937549
Share on other sites

Here, here, good to see your still a champion for the good stuff Mr Donnon.

I say go for it, Eflex is more than capable even at 70%.

I use the United E85, but have no problems at all throwing in Eflex,

United's wins on my seat of the paints dyno.

Recently tuned a S15 SR to 1.85bar on E85 running a disco with all the bolt on's, got a good compromise mapping both fuels, hasnt had it's power measured yet, but far out it fly's, high 200's at a guess.

.82 rear or .64? I've got the .64 making 240rwkw at 20psi dropping off to 16psi (small wastegate). If you have .82 is there much lag? would be keen to see power graphs as thinking of changing rear housings on mine.

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5937604
Share on other sites

I'm amazed at the attitude towards E70 vs E85............I think peeps are forgetting that the fuel alone won't give you the kind of power you're looking for.

In fact, 98 pump fuel will burn much better (combust) than the higher octane Ethanol.........the stuff just doesn't burn!!!

What the Ethanol allows you to do is turn up the boost and and throw more ignition timing at it, hence where the additional power comes from................the stuff doesn't know the meaning of the word Detonation!!!

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5938071
Share on other sites

people still hate on e85 haha, i have been running e85 for 3 years thanks to adrian, never had a issue pushing awesome power! it really is power for nothing compared to what some people spend chasing small gains, as well as safer. as for blends tryed nearly all varietys and never had issues.

Link to comment
https://www.sau.com.au/forums/topic/372229-e85-fuel/#findComment-5938162
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • A few small updates since the previous post and lessons. I decided to do a little interior light upgrade on the 110. I quite like the iilumo items, even if they're a bit of a premium over other brands. You'll also note the Stedi Fogs, that will go into the S15 fog lights as I needed to match the bulbs since I got the new ones earlier. I hope they fit as the body is quite a bit longer than your normal bulb.  Annoyingly, I managed to trip the fuse, which normally wouldn't be an issue until I located the fuse. I can't say I've ever come across this. I had lucked out that someone nearby had a spare, but oddly enough Toyota dealerships seem to keep this in stock. I ordered some to keep in my stash and as luck would have it, someone else nearby tripped the same fuse so I passed on the favour.  I also did a little service on the 110 ahead of some additional work coming up. It's been annoying that Goleby's stopped carrying this particular HKS filter for the 110, so now I need to keep them on order from Japan. I also took the opportunity to install a bash plate and number plate riser. The plate riser is such a cheap but nice fix to help really tidy up the car. I'm tempted to now also replace my headlights, on this car. Both items were from Project Aero.    I also needed to replace the rear tyres on the 110, and after trying to get it aligned learnt that I need to replace some bushes in the front end, so that's next.  Closing out this update with a nicer picture as always! 
    • Yeah mate, never miss it.
    • Any going to watch World Time Attack at SMSP this year?
    • Appreciate the correction on the "ground", that will make a huge difference to looking at this. That makes complete sense about AF70/AF71 which is what I had come down to being the issue, one of these. I'll have another look in the ignition wiring when I get a chance next week. I'll also make up a jumper wire for running that AF73 test.  ECU is fine, relay itself is fine, pump harness is fine and the pump itself is fine. I am going to upgrade the Walbro 255 anyway with a DW300 I have since I need to replace the fuel sender and I'm going to upgrade the FPR with my chasebays kit ready for new plenum/injectors/dbw, but I'll get this working first. That's why this is so frustrating. 
×
×
  • Create New...