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Got Over 400kw Atw?

T04GTR

By T04GTR,
in Engines & Forced Induction

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StealthX Veteran

StealthX

Posted
Posted
The only boost control device you need is your right foot :P

THIS.

I can't understand why people have those two stage boost controllers. i.e. 12psi low boost, 20psi high boost.

Pointless, if you want less boost, lift your foot a little??

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colinhunt
colinhunt

Let's not turn yet another thread into a discussion about your car, please.

Lithium
Lithium
SiR_RB
SiR_RB

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Galois Veteran

Galois

Posted
Posted (edited)

My factory boost controller has been modified to give up to 13-14 psi, I have a switch turning it on and off. Boost gauge doesn't like regular changes though.

Clutch slippage, low boost till fixed. (done)

Coilpacks going, low boost till fixed. (done)

L plater girlfriend driving, low boost.

Car feels different, still nice to drive just a bit slower, I actually preferred it for a while.

Traction on nankangs is poor, esp in the wet, low boost helps as the stock turbo is insanely responsive and quickly goes from 7-14psi, wheelspin. Also with stock turbo there really isn't much difference between 7 and 14psi in terms of right foot position, just in power. The boost curve is weird because I don't have an electronic boost controller. 7 psi by 3000rpm, 14psi by 3100rpm.

Not sure why you'd do it with an actual boost controller. I did it to help the turbo, and the above reasons.

It's not going slower I was after, it was less boost, less engine stress. I preferred the switch.

Edited by Galois
WHITER33GTS-T Veteran

WHITER33GTS-T

Posted
Posted
It will have grip Steve. the tyres on it atm are just some nankangs that we use for the dyno

Track spec is going to be something entirely different.

I have to give credit to Marty White for the job he did on the head. It looks like bugger all but as he said, watch it spool. And boy! does it spool.

I had nankangs on mine for the tune and they turned to smoke and sprayed rubber up the wall and onto the roof of the car. lol

NYTSKY Grand Master

NYTSKY

Posted
Posted
It looks like I'll get to the 5's just as you're getting to the 4's. Have you decided on turbo?

If you get into the 5s it will be on a boost level you wouldnt use everyday.

As for the turbo, it has become a very hard decision now. There are sooo many i want to try. There is one combo i would like but it means a total re-engineering of the exhaust side of the engine and im chomping at the bit as it is to get the thing on the road.

N1GTR Grand Master

N1GTR

Posted
Posted
If you get into the 5s it will be on a boost level you wouldnt use everyday.

As for the turbo, it has become a very hard decision now. There are sooo many i want to try. There is one combo i would like but it means a total re-engineering of the exhaust side of the engine and im chomping at the bit as it is to get the thing on the road.

Lol, I'm not one of those high boost low boost switching people. Set it once then leave it, I figure it's not like the car runs at the highest boost all the time, only full throttle and that's up to my right foot to control :D

The 5557 sounds like it could be the winner for you from what powertune have done so far. I know what you mean about trying heaps of setups-that's all I talk about with Tonys brother every weekend......now where did I leave that money tree....

NYTSKY Grand Master

NYTSKY

Posted
Posted

Steve, the 5557 i think is GT3076 territory.

One of the options was a Precision turbo though.

Believe it or not i am already planning the next engine turbo combo and the current one is not even finished yet :D

N1GTR Grand Master

N1GTR

Posted
Posted
I'm hoping to have a stock rb25det/5557 plain bearing result veeery soon.

400 would be nice.... ha ha ha at the fly.

400......hp :D

Steve, the 5557 i think is GT3076 territory.

One of the options was a Precision turbo though.

Believe it or not i am already planning the next engine turbo combo and the current one is not even finished yet :D

Likewise, as you know.

I've got the bug bigtime to drive it again

Beer Baron Grand Master

Beer Baron

Posted
Posted

nice result noel you crusty old man. although it really is way too much power just to drive to bingo on sundays but I guess you can get there early for prime seating. :D

hehe. seriously though that's a kick ass looking set-up mate. hope it gives solid service for years to come. :P

Deano 1 Mentor

Deano 1

Posted
Posted
THIS.

I can't understand why people have those two stage boost controllers. i.e. 12psi low boost, 20psi high boost.

Pointless, if you want less boost, lift your foot a little??

only reason i like having diffrent boost setings is so when i go to the track i can put my car on 16psi instead of thrashing it on 19psi all day long.

The Dan Grand Master

The Dan

Posted
Posted
It didnt :D turbo number 4 shat its self on saturday

Yeah we are removing it now to send it off to Garrett to find out why. The last 3 turbos all failed for legitimate reasons. I'm expecting this one to be the same. It's a damn shame but we'll see what they say. Considering he's got sonic stickers all over the car I hope they give him a free one. If not then I'm sure he'll move to turbonetics or something journal based. He certainly doesn't need to worry about response

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