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Sliding Performance Highflow For Rb25det

SECURITY

By SECURITY,
in Engines & Forced Induction

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SECURITY Grand Master

SECURITY

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before my turbo gets here i want to get all of my fittings ready so it all goes on at once. just a little warning:

DO NOT DO THIS IF YOU ARENT CONFIDENT. for a small fee Aaron from Sliding Performance can do all of these mods for you.

i took my turbo off a few days ago so i had all of the fittings laying around so i thought i'd start getting things ready.

i went to pirtek to get new washers which coast $25 for all new copper ones, and got some 6mm drill bits as well as some new circlips rings for the wastegate actuator (old ones looked a bit crappy), i got some 4mm and 5mm ones as i wasnt too sure which ones would work.

so i got to the banjo bolts:

the best thing to do would be to get them into a vice under a bench drill to get a 100% straight hole. if you've got access to something like this then go for it.

i didnt have access to one so i had to make do with what a vice grip and a steady hand.

this is how i held the bolt in the vice grip: (all pics were taken off camera phone)

25-11-06_1329.jpg

make sure you're drilling is as straight. it shouldnt be too hard as the old hole should work as a countersink to get you started.

this is what the difference is:

25-11-06_1316.jpg

the end result - two perfect 6mm holes:

25-11-06_1438.jpg

so far thats all ive done, ive opted to have my oil line modified by Aaron but i might give it a go if i get bored.

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SECURITY Grand Master

SECURITY

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dont forget the hard line too. thats if ya using it

yeah im getting Aaron to do that for me, or if i can find a place to do the brazing ill do it myself.

$25 for washers?

i got 8 all together @ $2.80 each which is around $22. i had to be somewhere so i didnt have time to cry over the price.

Good stuff Joe, whens the turbo get in? And which one did you pick?

I'm planning to get one for the R34 later on so would be interested to see the results you pull off.

im not too sure when it'll be here mate, but my old turbo was letting off a fair bit of oil so i took it off the road to be safe.

SECURITY Grand Master

SECURITY

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well i got bored so i thought i'd modify the oil line. you only need to modify the banjo fitting that sits on the motor, which on the oil line is the one closest to the loop.

25-11-06_1635.jpg

i put the banjo fitting into a vice then centre punched it.

i got the 6mm drill bit out again and started drilling, making sure that it went straight down. im going to go around on monday or tuesday and try to find someone to braze it. ill find out how much it costs and report back.

a few pics.

the fitting centre punched:

25-11-06_1621.jpg

the fitting drilled:

25-11-06_1628.jpg

  • 2 weeks later...
SECURITY Grand Master

SECURITY

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i went and dropped off my oil line to get brazed.

apparently you need a brass plug to sit inside the 6mm hole, then braze around that so the braze has something to adhere to. its costing me $40 from an engineering workshop, theyre brazing and cleaning it all up for me to be ready to be bolted up.

i probably could've gotten it cheaper somewhere else but i wanted it done properly as im very pedantic when it comes to my car.

SECURITY Grand Master

SECURITY

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righteo.. ive got some pics of the end result.

07-12-06_2133.jpg

07-12-06_2132.jpg

seems though the oil lines arent copper. the guy i sent it to couldnt get braze to stick and thought it might be steel so he welded it as if he was welding to stainless steel, and it also isnt a copperey colour after he cleaned it up.. as you can see, it looks like stainless steel.

Trav33 Mentor

Trav33

Posted
Posted

When i got my SlidingPerformance High-Flow, i was lucky to have a mate who works in an engineering shop, with lots of high-tech tools. He took it to work and i think used a TIG welder to fill the hole. I would recommend this technique to fill the hole, i remember brazing from highschool days and believe TIG would be HEAPS stronger. (looks like yours has been welded too)

mickr33 Community Regular

mickr33

Posted
Posted

Car is a R33 GTST. It has the Slide max oversize hi-flow with the VG30 rear on it.

The tuner was quite impressed with the results and the way the turb's performed

as he said by as early as 2200rpm it was at 5psi and by 3500 rpm it's at full boost

which in this case was set at 17psi.

mickr33 Community Regular

mickr33

Posted
Posted (edited)
nice figures mate! ofcorse i dont mind :P

thats the exact turbo ive ordered.

what supporting mods do you have?

Other mods are. Power Fc, FMIC, full exhaust, Nismo reg, Bosch 040, Z32 AFM and using

a turbotech boost controller which holds boost very well at that level. ;)

Oh and upgraded the clutch to a Exedy cushion button.

Edited by mickr33

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