can you get a reasonably safe 350bhp from a my95 uk turbo? mine makes 302bhp currently but i wondered if i can get a bit more without having to change the internals etc.

 

What mods are you running to get that figure?

 

There have been a few UK's running around the 350 mark, Rich Wild being one of them.

 

UK @ 350's easy enough - although possibly not that cheap!
Full exhaust, MD304 & remap would do it (350's a bit 'ragged edge' with the TD05, I believe). You'd need the fuelling sorted out, though - not sure what the injectors are on the UK95, but 440s with uprated fuel pump could just manage, preferably with an uprated regulator as well set at around 3.5bar. An FMIC would help things along quite a bit too...

 

i'm running 1 - 1.1 bar with a hks air filter, hks dump valve, hks downpipe, blitz centre and back box, and a superchip. the superchip was on the car when i got it but i haven't had any problems with it.

 

302 seems alot for your current mods... what does the superchip add... ?

Edited BHP fig but still alot, must only be 208 standard...? if its a uk turbo.


[Edited by BAH - 8/25/2003 6:55:21 PM]

 

bah, i think you miss read it's 302 not 320!

 

94 bhp off just those mods
Which rolling road was that?

 

Im due to go to Well-lane in sept and i was hopeing for about 260bhp with my mod's on 98 uk turbo...

• Blitz Nur Spec Backbox
• Haywood & Scott Full Decat
• K&N 57i Induction Kit
• Forge V4 Recirc Dump Valve
• Prodrive ECU
• Prodrive Intercooler Pipework
• Samco Turbo Hoses kit

May get more going off your specs.



[Edited by BAH - 8/25/2003 7:00:51 PM]

 

brun, power engineering - 302bhp @ 6600rpm, 250 lbs/ft torque. i have tried to scan the graph but my scanner seems to be fooked!

bah, what boost are you running?

 

1.1 held with the prodrive ecu

[Edited by BAH - 8/25/2003 7:19:05 PM]

 

does anyone know what size injectors are standard on my95 uk turbos?

 

Might have 302BHP but the torque levels pretty poor @ 250.
I would expect a good 302BHP to give 275+ in torque.

But then the Superchip only buggers about with the fuel-cut, so you havn't got the ignition/fueling to suit the boost.

It's torque that you feel. BHP is just pub talk.

P.S Superchips only recommend 16psi. With those figures I would guess you are @ 18psi using the bleed valve supplied withthe Superchip. A 14psi reworked map only gives 255BHP, 230ft/lb on a Pre96 UK Turbo.


[Edited by Scott.T - 8/25/2003 7:31:10 PM]

 

I have calculated my car to be about 330-340bhp although its not been on the rollers yet. Its a UK MY99, mods are:

VF35 turbo
Full decat with open neck down pipe
Walbro pump
FSE regulator (fuel pressure set to 4 bar)
Samco/Prodrive intercooler hoses
Cusco oil breather
NGK PFR7B plugs
K and N induction
Tek 3 remap (care of Pat H)

It drives very well now and pulls much better at the top end. Standing quarter, if you're interested, was 13.2s without a harsh start.

Pete

 

John Banks made 406 bhp on a std internals MY00 UK without any problems. AlanG is currently running with around 390bhp with a similar spec 99 UK car.
There are a few more 400+ UK's on the way soon !!!

Andy

 

I am glad to hear this because TSL told me that anything over 300bhp on a uk engine is a big no no, and that the internals would have to be changed.

 

but going back to the 302bhp, were is that coming from on those mods...?

Or was the rolling road not working properly..

 

WOT about the Gearbox?

 

Power Engineering rolling road is renowned for Optimistic (High) Power Figures. My Brothers UK was Running Near 290 & 270 Odd Torque on P Eng ROllers, He was Gutted on Powerstation Rollers as the Figure was considerably Lower, But on John Nobles was Almost the same as the Lower powerstation figure, .....

 

i did think the torque was a bit low for the bhp. i know the superchip isn't great but so far it's done it's job and i have always know i would replace it when i wanted more power.

gearbox/clutch hasn't caused me any problems, i have done quite a few 1/4 miles (13.3 - 13.5 generally) etc and they both still feel good.

from what i have heard pe's roller's are a lot more accurate than some other tuner's. my friend had his nsx dyno'd when the engine was standard and it produced 276bhp, he then fitted an air filter and exhaust it made 292bhp. they seem quite realistic figures to me.

 

Don't pay too much attention to any RR figure. They don't mean anything except comparitively - particularly with turbo's cars which are much more variable dependant on atmospheric conditions.
A 'real' 350+ is quite possible (regardless of what the RR figures might say, over or under this figure) on a UK - remember that the bhp will go higher on a JDM purely because it can rev higher - and how often do you go over 7k anyway, except when measuring bhp? A UK is as capable of torque as the JDM, and that's what you want. As Andy says, there are a fair few UKs kicking about with ~400 now.

 

I think there are a lot of UK's running circa 350bhp now on standard internals. This seems to be the edge of the safe limit from what i've seen/heard. Anything above 350bhp really needs an uprated gearset over the standard chocolate one. As for the 400bhp mark, unless you have shares in proboost or millers it really isn't worth considering. Another thing you have to consider is that 350 is about the max a top mount and 440cc injectors will put up with. Beyond this you will need bigger injectors, a front mount and realistically, if you want the car to last, forged pistons, billet conrods and uprated bearings. Its all very well saying John got over 400bhp but he is the first to admit he wouldn't want to run it for long like that. I think (IMHO of very limited experience) that 330ish is a good target if you want to do it relatively cheap and have reliability.

I stand ready to be shot down!

Pete

 

nom, very good point, it's about how the car performs on the road/track that matters not what figures are on a bit of paper.

i'm not really bothered about how much power my car is making now or how it is making it. as per my 1st post i wanted to know if it is possibly, with the right mods, to make a reasonably safe 350(ish)bhp and from what people have said it seems it is so i will aim for that.

 

Standard injectors on a MY95 UK Turbo are 380cc's

 

cheers delboy.

 

There is a bit more to it than that. They can all be tuned to much higher levels just the JDM is closer to start with.
eg. JDM 280BHP @ 6500 260lbft @ 4000
UK 208 bhp @ 5600 214lb ft @ 4000


Cheers
Vince

[Edited by VinnyP! - 8/26/2003 10:39:04 AM]

 

I can't believe a tuner with a reputation like TSL would come out with such rubbish.

"300 bhp on a UK engine is a big no no, and you'll have to change the internals" - what complete cr@p!

There are dozens of UK cars out there with standard internals and over 300bhp, some with WAY over. I already have 2 UK turbos around the mid 300s. I hope to be joining Alan G and John Banks later this year with a 400+ bhp UK car still on the standard internals. And those are 1996 internals that have done over 100 000 miles!

[Edited by RICH WILD - 8/26/2003 11:22:21 AM]

 

Like you said Rich, you have 2.............. when one breaks, you still have a spare!!

LOL!

Only joking!

 

I'm not sure if this means much, but hoping for similiar perfomance to yours, but I have been told that this a safe way of getting an STI-8 PPP up to this BHP,

HKS Racing Suction Kit
Induction Heat Shield
Battery Relocation Kit
Samco Hose Kit
HKS Sequential BOV
PPP Fuel Pump
HKS Oil Breather & Catch Tank
HKS Turbo Downpipe
HKS De-Cat
HKS Centre Section
HKS Super Drager Back Box
Blitz Iridium spark plugs
Blitz DTT XT Turbo Timer
ECUtek 3 Remap with Knocklink
SECS Data Unit with Oil Pressure / Temp sensor kit
HKS Analogue Boost Guage.
AP Organic Clutch
AP 6 pots
Lighter, Wider Rims (Not decided)

We are halfway through this list and are getting prices and dates sorted to get the rest done at the mo,

I don't know much about the pre STI-8 models but if it takes this amount of kit to get a reliable 350 bhp from an STI-8 won't your car need a few other bits, I'm still learning about these cars,

The next bits on the list will have to be a Turbo conversion or have someone strengthen the original, and then you move onto Cams, Internals and gearbox, this is all way out of my league cost wise so a reliable 350 is where it will stay

 

rich, what spec is one of your cars () to get mid 300's?

thanks.