Evo X upgrades

[tpunx99GSX]

Very nice. How much do EvoXs weigh stock?

[mlomker]

Very nice. How much do EvoXs weigh stock?

3600ish. The displayed weight is with me in it, so my car is down 100lbs or so. That's just from rims, rotors, exhaust...in other words, I haven't tried to lighten the car. I carry the spare, for example.

[Murlo26]

Looking good! Jealous.

[badinblack]

What time is that track day start on Mon. Might be looking for something to do?
It's always fun to watch cars pushed to their limits

[mlomker]

What time is that track day start on Mon.

Sorry that I missed your post. They let the first cars onto the track at 9a and run until 5p. I usually bail at 3 or 4 to make the drive back. My next day up there is for the MAP weekend. Road course is Saturday. Happy to take anyone out for a session...you'd just need to find a helmet that fits.

Today didn't go so great for me. It turns out that the BAP cooks the Bosch 044 after about 10min and it stops pumping enough fuel for the motor.

I think I'll just order a Weldon 2015-A. The only downside is it may require upgrading fuel lines again--I'm concerned about the high flow at idle and low rpms.

http://www.weldonracing.com/%7Eweldon/prod_imgs/img-10-0-small.jpg

[Speedfreak]

You need a BAP on a Bosch? I don't remember all your fuel issues, but that doesn't seem necessary. The Bosch is run on countless road race and rally cars, I have a hard time believing it's a weak point.

That Weldon pump may become more of a headache than it's worth(tuning wise), but who knows, maybe Shane has some experience with it on a street car?

[mlomker]

You need a BAP on a Bosch?

There's something really weird about the X because it always seems to need way more pump than any other Mitsu. First we ran out of 1000cc injector around 410whp @DB and then we ran out of pump.

As you know, this is my second 044 so I know damn well it isn't the pump. The Bosch-brand 044 couldn't break 400 even with a BAP. I'm now running an turbine-based 044 knock-off from Jay Racing. It's fine during regular driving and on the dyno but not extended periods at 17.5volts.

That Weldon pump may become more of a headache than it's worth(tuning wise), but who knows, maybe Shane has some experience with it on a street car?

Why? The traditional approach is dual pumps but many people argue that they aren't as safe as running a larger single pump. I could also go to dual Walbros, which is what most X owners do. It's just not convenient given the surge tank setup that I already own.

You'll also have to define 'street car' for me. My life would be easy if I didn't take the car to road courses. It's perfectly fine on the street since it's impossible to stay in boost for 10+minutes there.

[Murlo26]

There's something really weird about the X because it always seems to need way more pump than any other Mitsu. First we ran out of 1000cc injector around 410whp @DB and then we ran out of pump.

As you know, this is my second 044 so I know damn well it isn't the pump. The Bosch-brand 044 couldn't break 400 even with a BAP. I'm now running an turbine-based 044 knock-off from Jay Racing. It's fine during regular driving and on the dyno but not extended periods at 17.5volts.

There are worse things then tuning to waste money on...your car still works yet again lol :)

But it could be a good idea to test the bosch alone but a permanent solution is a good idea that you know will work.

[mlomker]

After exchanging emails with Shane, I'm leaning toward a dual 044 setup with the secondary pump on a Hobbs switch. I already have the two pumps and a Hobbs so just need a tank. This company has an interesting offering and it already has the -6an fittings that I need.

http://i959.photobucket.com/albums/ae80/mlomker/2011%20May/250.jpg
http://www.intengineering.com/Integrated-Engineering-p9215580.html

[Murlo26]

And the fueling system grows, lol.