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98 Pump V E85 Pros And Cons For A Dd

Nismo 3.2ish

By Nismo 3.2ish,
in Engines & Forced Induction

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zebra Grand Master

zebra

Posted
Posted

I'm replacing the Weldon with a Fuelab which will give me some room to put the cool next to the surge tank which will have a thermo fan triggered by the ecu at a set temp and be protected by the rear diffuser

Off topic

ut where are you getting the fuelab from?

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GTR_JOEY
GTR_JOEY

if that set up doesn't see 'full boost' by 5k ill rip my own teeth out

zebra
zebra

To me it does, If I were going to pull the head off and have it relieved for bigger cams etc I'd have someone spend a few hours on the ports

gtr jet
gtr jet

RBN1 and I have almost identical set ups except he runs -9s and I run -7s. Power is very similar except for midrange. I'm on E85 and the torque coming onto boost is a lot more noticeable than on 98.

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GTRPSI Mentor

GTRPSI

Posted
Posted

On the subject of the E85 getting warm, run a cooler under the car where the airflow can cool it and splice it into the return line (low pressure side).

Vehicles like M3's use that setup.

XKLABA Grand Master

XKLABA

Posted
Posted

The only issue with a fuel cooler is mounting it in a suitably safe and protected way. Takes a bit more planning than an oil cooler etc.

Exactly !!!, that is why I haven't put one on yet, as my tuner said, I am better off burning an engine then you the whole car

But with what happened at the trackday I need to fit one, my idea is to mount it next to the fuel pump under the back and have the return line run through it then into surge tank and have the factory rear diffuser protect it from flying debris

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Ben C34 Grand Master

Ben C34

Posted
Posted

Its possible to put it into a grilled or fluted box surround to protect it.

Yep. But the consequence of it getting damaged could be huge.

I just wanted to make the point it's certainly not as simple as whacking on a fuel cooler.

What would be great is a heat exchanger setup, with coolant pumped through a cooler in the fuel tank, then through an external cooler. If it gets damaged only coolant pisses out, car doesn't burn..... but that's in my too hard basket.

sneakey pete Grand Master

sneakey pete

Posted
Posted

I find them quite up to date.

This is united

http://www.unitedpetroleum.com.au/united/fuel/ethanol-85/e85-store-list

This is Caltex

http://www.caltex.com.au/HelpCentre/Pages/CaltexFinder.aspx

Select e-flex in the finder and zoom in.

I found 2 in the newcastle area that sell e-flex.

One is in Charlestown and the other is in Hamilton

There's one that's been selling E85 in Ipswich in QLD for over 3 months that still isn't on that list, so i'm sure that there may be others in other states that aren't on there but do sell it? Would be good to have one somewhere between Syd and melb for example.

For reference this is a map I made from the united list in June

Nismo 3.2ish Grand Master

Nismo 3.2ish

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The bottom tank is still quite warm though.

What you want is to run the aircon lines to the fuel tank, and have it automatically switch on as required. :P

Probably a dumb question but what is making it hot in the first place, the pump ?

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