[dazzadude]

Im currently changing my setup to support 800 RWHP+ on E85.
My setup is
3lt, 272 cams, 1600cc bosch inj, MagnaFuel pump, GT4202, motec, Built engine. 8500 rpm limit. Iridium plugs 8's

What a/f ratios should be to be. How far we can safely push timing to at 35 psi?
Can I use a standard Bosch oxygen sensor to log a/f ratios?

Is there anything I should be aware of when checking the engine after the tuning/race sessions? eg oil / plug conditions.

 

[scarface007]

Im currently changing my setup to support 800 RWHP+ on E85.
My setup is
3lt, 272 cams, 1600cc bosch inj, MagnaFuel pump, GT4202, motec, Built engine. 8500 rpm limit. Iridium plugs 8's

What a/f ratios should be to be? i would say that lambda of .6-.8 is safe but i would read my plugs How far we can safely push timing to at 35 psi? read your plugs and logs for this every setup is diffrent Can I use a standard Bosch oxygen sensor to log a/f ratios? no unless its an LSU 4.2 bosch sensor but you will still need some kind of controller/processor to process the info to your ECu/ standalone/ guage
Is there anything I should be aware of when checking the engine after the tuning/race sessions? eg oil / plug conditions. yes look for detonation/ pre ignition on the procelin of the plugs

All my answers are in red

 

[Hukhuksupra]

I think you should use a 9 range.

 

[dazzadude]

Great answers guys.

What exactly should I be looking out for on the plug?

What will the plug look like it the car is running perfectly.

what will it look like if its detonating?

Are iridiums ok?

Ill check which o2 sensor im running. My motec has a processor attached already and I used to log my leaded fuel ratios until the lead must of blocked it all up.

 

[scarface007]

Great answers guys.

What exactly should I be looking out for on the plug?
What will the plug look like it the car is running perfectly.
what will it look like if its detonating?
http://www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp

http://www.nightrider.com/biketech/spkplghnbook.htm#InAre iridiums ok? Yes
Ill check which o2 sensor im running. My motec has a processor attached already and I used to log my leaded fuel ratios until the lead must of blocked it all up.

in red again

 

[dazzadude]

in red again

Thanks for your help. Hopefully all goes well.

 

[rotortuner]

I have almost an identical setup and Im getting mine tuned in mid june. make sure and post up what your results are. I will want to compare.

CJG

 

[lippy84]

Likewise, similar setup and needs a tune in the nexr few months... interested in info...

 

[2JinVL]

I'm running iriway 8s on my setup
So far so good
Will b going back on the dyno in a week or 2 to try n get 800+rwhp on e85
This is on a dd not a dynojet like in the states

Dazza, u should b able to easily get 800+ on e85
I'm at about [email protected] with more timing to go n that's with a turbo on it's way out
N it's only a 76gts with STD rebuilt bottomend n pretty STD head with only cams

 

[dazzadude]

I'm running iriway 8s on my setup
So far so good
Will b going back on the dyno in a week or 2 to try n get 800+rwhp on e85
This is on a dd not a dynojet like in the states

Dazza, u should b able to easily get 800+ on e85
I'm at about [email protected] with more timing to go n that's with a turbo on it's way out
N it's only a 76gts with STD rebuilt bottomend n pretty STD head with only cams

im very confident my car will make the power, im just new to the E85 and want to know more abou the signs to look out for when running it. Currently My supra makes 800 RWKW with my setup on a Mainline dyno when using c16 and 34 psi.

Still ill stay safe with the timing and run it until the injectors hit 85% duty. How many of you guys are runninga Magnafuel pump with E85?

 

[2j1988supra]

i jsut had mine dynoed last week..itmade 877 on e85 on a 4202r on 30-31psi. 700+ft lbs.. its a raped ape on the street.

 

[donkeypunch]

i jsut had mine dynoed last week..itmade 877 on e85 on a 4202r on 30-31psi. 700+ft lbs.. its a raped ape on the street.

You made 877rwhp on E85 on 1000cc injectors? What brand injectors and what pump? What your Fuel pressure running at? I would think that 1000cc would be a little small of injector for 877rwhp on E85.

 

[rotortuner]

im very confident my car will make the power, im just new to the E85 and want to know more abou the signs to look out for when running it. Currently My supra makes 800 RWKW with my setup on a Mainline dyno when using c16 and 34 psi.

Still ill stay safe with the timing and run it until the injectors hit 85% duty. How many of you guys are runninga Magnafuel pump with E85?

Im on twin Aeromotive A1000's with dual -10 to each side of a -10 rail with 1600cc injectors. The previouse owner of my car was at 611 whp at like 19psi with the 4202 and then had ignition issues. I fixed the ignition and would also like to go to an external fuel pump setup running off a surge tank, the pumps are in tank and im concerned they may have issues with fuel slosh. looking at the magna fuel mp-4703 and using the a1000's to feed the surge tank that the magna fuel would get fed from. Which magnafuel pump are you using?

CJG

 

[rotortuner]

There is some good reading here:
http://www.ls1tech.com/forums/forced-induction/1419526-enough-fuel-pump-w-e85.html

 

[rotortuner]

I did some calling around and research today.

I called magnafuel and the MP-4701, 4702, 4703 are not rated for continuous duty. they said you can only run them for 30min-1hr then you have to let them cool down. so if you have a drag car, they would work, but for road racing or street use they are a no go. The MP-4301, 4302 and 4303 have motors that are cooled by the fuel and are rated for continouse duty. I asked them about flow and this is what they said:

MP-4703 12.5 volts 240 GPH
MP-4303 12.5 volts 120 GPH I forgot to ask the pressure, he was giving me abouts like he was trying to read of a graph. but you can see these were at 12.5 volts and below it was tested at 13.5.

I also called Kinsler who does a lot of independant testing of different fuel system components. Here is the info they gave me:

Aeromotive A1000 - 50 PSI 13.5 Volts 938LB/hr or 155 GPH
Weldon 2345 - 50 PSI 13.5 volts 1270lb/hr or 211 GPH
MP-4303 - 50 PSI 13.5 volts 938 lb/hr or 155 GPH



The conclusion Im coming too is that while my twin A1000 setup is somewhat close to a single 2345 and is more than a single 4303 it probably isnt optimum and I think for an E85 setup a twin 4303 setup running all -10 would be a bullet proof way to go. I think im going to use my in tank A1000's to feed a surge tank and have twin 4303's taking suction off of that.

CJG

 

[rotortuner]

i jsut had mine dynoed last week..itmade 877 on e85 on a 4202r on 30-31psi. 700+ft lbs.. its a raped ape on the street.

Maybe you forgot to update your sig, you have to be running more than just 1000cc injectors. details on your fuel system would be great and also other supporting mods, intake manifold etc.

CJG

 

[SupraSlow]

good info thanks Im reserching some stuff as well

 

[Craig Bush]

i jsut had mine dynoed last week..itmade 877 on e85 on a 4202r on 30-31psi. 700+ft lbs.. its a raped ape on the street.

You made 877rwhp on E85 on 1000cc injectors? What brand injectors and what pump? What your Fuel pressure running at? I would think that 1000cc would be a little small of injector for 877rwhp on E85.

agreed. 1000's are a little small for 877whp on e85.

there's a lot of variance from dyno to dyno. maybe this one was just very 'friendly'.


craig

 

[dazzadude]

I did some calling around and research today.

I called magnafuel and the MP-4701, 4702, 4703 are not rated for continuous duty. they said you can only run them for 30min-1hr then you have to let them cool down. so if you have a drag car, they would work, but for road racing or street use they are a no go. The MP-4301, 4302 and 4303 have motors that are cooled by the fuel and are rated for continouse duty. I asked them about flow and this is what they said:

MP-4703 12.5 volts 240 GPH
MP-4303 12.5 volts 120 GPH I forgot to ask the pressure, he was giving me abouts like he was trying to read of a graph. but you can see these were at 12.5 volts and below it was tested at 13.5.

I also called Kinsler who does a lot of independant testing of different fuel system components. Here is the info they gave me:

Aeromotive A1000 - 50 PSI 13.5 Volts 938LB/hr or 155 GPH
Weldon 2345 - 50 PSI 13.5 volts 1270lb/hr or 211 GPH
MP-4303 - 50 PSI 13.5 volts 938 lb/hr or 155 GPH



The conclusion Im coming too is that while my twin A1000 setup is somewhat close to a single 2345 and is more than a single 4303 it probably isnt optimum and I think for an E85 setup a twin 4303 setup running all -10 would be a bullet proof way to go. I think im going to use my in tank A1000's to feed a surge tank and have twin 4303's taking suction off of that.

CJG

Just do what I did. I have a Magnafuel 4303 Its rated upto 1500 hp on a forced induction engine.

http://www.magnafuel.com/products/efi/pumps/MP-4301.htm

I run mine intank on a custom bracket. I have -10 lines and a -6 retrn and can drop the fuel as low as 35 psi static pressure. It doesn't need to adjust voltage and can run continous power. I have made well over 1250 RWHP with this pump using C16. I also run a magnafuel reg and filter. That was with a different turbo.

Pump is still very noisy. Before that I ran triple walbros. If was doing another fuel system I would try the new triple aeromotive which run a lil higher than walbros.

 

[rotortuner]

OK I went with one of the 4303's. I got -12 fittings for it, so it will be -12 from the surge tank to the pump. then -12 from the pump to a Y into the current -10's that run up through the filters and to the rail. -8 return. We will see what this pump is capable of. Make sure and post back here once your car is tuned, that way there is some data on what this pump can do with e85 on supras. Because I searched and couldnt find any real results.

CJG