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Turbo X-trail

StealthX
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StealthX Veteran

StealthX

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Hey doods

Got my .86 rear housing on the turbo, makes a heap of difference!, it's much less choked, builds alot more power towards the top end now. Was a cvnt of a job though, caused me heaps of hassle getting that oil drain sealed again, tis sweet now though.

Should be able to make some more power with a tune as well, theoretically there's room for some more ignition advance with the bigger housing, but I wont try that on the street, I've given it a touch up, it was a little rich down low with half throttle sorta thing, only needed a few points of fuel taken out..

The boost creep problem has been solved. Wastegate holds a flat 10psi all the way to redline, still buying an external one cos I want even better boost control, and play with a screamer hahah

Couple more parts for the new manifold 'n sh!t.

t3-t25 adapter flange:

IMG_0262.jpg

IMG_0261.jpg

IMG_0260.jpg

0.7 and 0.8 bar springs. The others will come already in the wastegate when I buy it.

IMG_0263.jpg

So all I need now is the wastegate, then i can get cooking with the new stuff. For now it sits in my garage collecting dust till after new years...

happy christmas!

StealthX Veteran

StealthX

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Dude... why bother with the external gate???????

It's going to be very annoying at 10psi for absolutely no gains...

Well I'm definitely changing the manifold, cos I can then fit a 3" dump instead of the 2.5", and this manifold has an external WG port... It was just an idea for the sake of better boost control, external gates ramp boost harder and hold a flatter boost curve, I'm not interested in power gains from it and it won't be a screamer all the time, I was gonna get a recirc pipe made up too. But yeah, like I said, all this is taking a back seat till after new years so I've got till then to decide... I might save the $300 or so and use that on the fuel reg instead. I really wanted an external for the screamer, but that's pretty ricer, and it'll only get my car canaryed at the end of the day.

Thanks for the input :)

StealthX Veteran

StealthX

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Posted (edited)

As a rest ult of the tuning I've been doing lately; here's a graph from data logging of the tune as it is now:

powerrun20-12.jpg

This graph shows a pull from 1500rpm, this is 3rd gear on the street, full boost of 10psi by 3600rpm - this is the reason why I want an external gate, better response, I should be able to build boost to 10psi by about 3000rpm I reckon. 4th gear should be a little better, bit still could be better with the external gate i reckon.

p.s.

70kpa = 10.1psi

60kpa = 8.7psi

This is what is was before:

P1000847-1.jpg

Afrs are heaps better now. Pretty proud of that effort!

I've been able to set the limiter back to 6500(soft) and 7000 (hard), so should have a bit more room to rev now, plus more powar! haha

p.p.s that big lean spot just as i stamp on it is just measuring error, cos i'm sure if it was leaning out to 20+ AFR it wouldn't have lasted two seconds after it drove out the tuners garage. 30,000 kms later...

Edited by turbo x-trail
  • 2 weeks later...
StealthX Veteran

StealthX

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Still waiting on the gate.

Ran our of money buying christmas presents...

got a new job working in spare parts for Lexus, now I'm earning some decent money I should be able to get cracking with some more mods!

still on the list:

Gate and plumbing +3" dump

Coilovers

new clutch

  • 3 weeks later...
StealthX Veteran

StealthX

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Hey kids.

Making up a new exhaust. Sick of the fart cannon and the drone.

Getting this: eBay

resoator.jpg

And this for the tip: eBay

muffler2.jpg

muffler1.jpg

These two are to go along with my external wastegate and new 3" dump, a nice smick, subtle new exhaust, exactly what the doctor ordered for my ears and the sanity of my passengers, they're sick of the drone too... (i.e. girlfriend)

God I love eBay :) :)

  • 3 weeks later...
StealthX Veteran

StealthX

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Hey kids!

Got my new exhaust done by Kermit.

He's a solid dude, love his work, great service, i]I won't hesitate to give him more work (before he gets annoyed at me haha)

Sounds great and looks surprisingly good considering I wanted it straight, on the angle (had to do so due to the size of the dam thing) it looks pretty sweet I reckon!

IMG_0309.jpg

IMG_0308.jpg

Also finished a battery relocation too, the battery now resides in an eBay box in the boot. Replacing the battery with a dry cell, and the strap is getting the flick for proper mounts, I just had to doge it up like this to be able to drive to work etc... (why the hell did I choose to mod a daily driver......)

Has 6 gauge cable, a 200amp circuit breaker and solid connections to the chassis, I loose 0.4 volts front to back...

IMG_0304.jpg

Also mounted the fuse box differently, using the back half of the battery tray. More room now :)

IMG_0303-1.jpg

So this is my engine bay as it sits now:

IMG_0301.jpg

IMG_0299.jpg

IMG_0298.jpg

IMG_0297.jpg

External gate and new manifold are sitting waiting, just need to wait for all the gaskets to arrive, should be here next week...

StealthX Veteran

StealthX

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Haha yeah no kidding, Ive been waiting for ages to save up for them, they are expensive little pricks, coming from Malaysia, after my external gate they'll be next on the list for sure! Yeah they are drift teks, I love them, the offsets are perfect! Few mm out from the guards, but not so much it's obviously illegal...

  • 3 weeks later...
StealthX Veteran

StealthX

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what brand? hotbits?

what are your brakes like? it pull up ok?

Yeah hot bits... http://www.hotbits.org/catalogues-detail.aspx?makeid=24&kitsid=290

I'll be ordering the coilys within the next month or so.

Stock brakes are fine. They are pretty big and stop the car VERY well. The stock brakes and the wider tyres that I've got now work well together. I'm just about due for some new pads though, will be getting Green stuff pads.

Wastegate:

188848_10150161874947905_526132904_7927179_4885989_n.jpg

Tial MVS,, 38mm, v-banded etc...

Booked in with Kermit for the 12th March for a new dump and screamer etc...

Will post vids of some pulls with a screamer...

  • 4 weeks later...

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