428rwhp R33 Gtst On Stock Bottom End

[bren]

We got our Skyline back from our tuners on Friday and took it to a airfield track on Sat for a shakedown. The cars now running 500bhp at 1.5bar, 428bhp @ wheels

Check out that power curve, awesome :notworthy

Some footage from Elvington on Sat. Bear in mind Im out for a bit of a prat around and to find the limits of the car, Im not going for ultimate lap times:

Right click and save as, 10.3mb

What 500bhp does to a poor unsuspecting passenger. Be warned LOTS of bad language:

Right click and save as, 6.8mb

Spec:

Greddy plenum

Greddy intercooler

Tomei Poncams

Trust 1.8mm head gasket

Power FC

6x 740cc Nismo injectors

Greddy TD06-25G turbo

300ZX afm

Apexi air filter

Greddy radiator

Apex oil cooler kit

Denso plugs

Nismo fuel pump

Apexi AVCR

OS Giken twin plate clutch

Apex 2 way plated diff

K-Sport coilovers

K-Sport 356mm 8 pot brakes

K-Sport tc and camber arms

Apex subframe locking collars

Cusco/Nismo strut braces

Standard bottom end

1.5bar - 501bhp @ fly, 428bhp@wheels

[R31Nismoid]

Good result... the videos are amusing.

Interesting venue where ur out at aswell. Looks almost like dirt hehe

I reckon if you spend a bit more time on the dyno there is some decent mid-range to be found there.

(if im doing the numbers correctly )

You have around ~230rwkw @ 5500rpm

And then only ~260rwkw @ 6000rpm

Here is the smaller -20g for comparison

http://i7.photobucket.com/albums/y285/WHITER33/300.jpg

I reckon you can have a lot more in it.

Just a question, on the graph its making 1.5bar from before 3400rpm, is that an error or something? Its a little small for my eyes

[bren]

Good result... the videos are amusing.

Interesting venue where ur out at aswell. Looks almost like dirt hehe

I reckon if you spend a bit more time on the dyno there is some decent mid-range to be found there.

(if im doing the numbers correctly )

You have around ~230rwkw @ 5500rpm

And then only ~260rwkw @ 6000rpm

Here is the smaller -20g for comparison

http://i7.photobucket.com/albums/y285/WHITER33/300.jpg

I reckon you can have a lot more in it.

Just a question, on the graph its making 1.5bar from before 3400rpm, is that an error or something? Its a little small for my eyes

The graph is correct, the car runs 1.5bar from 3500rpm to 7500rpm

Its an airfield made up of a mixture of concete and tarmac. Theres loads of run off so its nice and safe to learn the capabilities of the car. We are trying to get it booked into a 'proper' track this week.

How would we get more midrange without a boost spike? The power delivery at the moment is excellent, very progressive and predictable. The car would actually be very usable for drifting as it is so responsive and has so little lag. Or at least it will be once I get rid of the Hicas.

We are hitting a bit of a brick wall at the top end, more boost just moves the entire power curve to the left a bit but peak power doesnt change. Any ideas? We think maybe the throttle body is a restriction.

[Guest Mashrock]

f**k i wish we fought the germans with aircraft during the war.

thoese airfields look like hours of fun

[R31Nismoid]

Its taking a very long time to make power if its holding 1.5bar for over 2000rpm before the solid power arrives.

Whats the exhaust like? 3.5" or more?

Hrm... the tuning experts will know more

[bren]

Its taking a very long time to make power if its holding 1.5bar for over 2000rpm before the solid power arrives.

Whats the exhaust like? 3.5" or more?

Hrm... the tuning experts will know more

It runs a 3" quiet exhaust and we have plumbed the external wastegate back onto the down pipe so we can pass the track noise restricitons. I have a more free flowing exhaust on order and we are looking at a mini silencer for the wastegate so we can seperate it from the downpipe

[R31Nismoid]

3" with a plumbed screamer...

I reckon thats the problemo right there.

I lost HEAPS of response when i had my screamer plumbed in as i only had a 3" exhaust.

For that power you really need 3.5 or better yet a 4"

[Busky2k]

Holy cow man you got 1.5bar at 3750rpm.. thats pretty nuts. Looks like the perfect combo for the RB25!!

[Tangles]

What 500bhp does to a poor unsuspecting passenger. Be warned LOTS of bad language:

thanks for the vids....

[bren]

thanks for the vids....

No probs

We will fit an Apexi GT Spec, plumb the w/g externally and see how we go

[HypeR33]

Nice work

Looks like there is still alittle bit more I can get out of mine then 1.5bar at under 4k? thats nice...my GT35R isnt on full song until mid 4k rev range

might have to remove the plumb back pipe on my screamer and see what the results are like then Ash

Cheers

JB

[mass_iv]

dude that thing looks like a weapon..... now why cant i get power and response like that out of my setup!!!!

also justa a question, u still running standard gearbox???

Edited August 7, 2006 by mass_iv

[bren]

dude that thing looks like a weapon..... now why cant i get power and response like that out of my setup!!!!

also justa a question, u still running standard gearbox???

Standard gearbox but its starting to crunch into 4th and 5th. Not sure if its a syncro or clutch release issue.

[mass_iv]

yeh mine crunches a little too... i suspect mine is something to do with the clutch release.. nice work man, given me some ideas now to go get some cams lol

[garage-tuner]

Bren,

Out of interest, what size is the exhaust housing on the TD06-25G?

Greddy (Trust) list 8cm, 10cm and 12cm housings for the TD06.

Cheers.

[Nozila]

haha i love in the in car chit chat from the passenger

[bren]

Bren,

Out of interest, what size is the exhaust housing on the TD06-25G?

Greddy (Trust) list 8cm, 10cm and 12cm housings for the TD06.

Cheers.

Its known as a 25G, I dont have any more info than that to hand Im afraid.

[benm]

Either the passenger has spent his entire life driving excels or the difference between power delivery from the driver and passenger seats is way different because ~300kw feels like im driving a bus. Then again, when it comes to braking for a corner you suddenly realise how fast you are going.

Who's job is it to realign all the cones when somebody has an off?

[Roy]

You know what i love more then anything...it has great power and plenty of traction. RWD and power doesnt need to mean wheelspin through every gear

[bren]

Either the passenger has spent his entire life driving excels or the difference between power delivery from the driver and passenger seats is way different because ~300kw feels like im driving a bus. Then again, when it comes to braking for a corner you suddenly realise how fast you are going.

Who's job is it to realign all the cones when somebody has an off?

He was at the track day in a Pugeuot 106 if thats gives an indication of his expectations