Race fuel was Sunoco GT Plus which is 109 RON.

Went from 455bhp and 415 lbft to 504bhp and 486 lbft - very good increase

Headers are HKS tubular - so not equal length

 

No Bob - I have an Exedy twin plate

 

cheers terry, so did you have to have it mapped for road fuel then mapped again for the race fuel then back to road again?

 

Once the race map fuel is done, it's saved and can be exchanged with the road fuel map using a laptop, or with a dual map ECU, via a switch.

 

^^

What Paul said - I'll be upgrading from a GEMS ECU in the future and going for one that has dual switchable maps

 

Thought you bought Adams Pectel?

If so.........NICE ONE!

Russell

 

I had hoped he had Adam's Pectal too as was looking forward to playing with that.. but alas he was beaten to it..

Simon

 

terry what bar was that running?

 

1.85bar iirc.. slight peak higher and runs nearer 2bar on road / track..

Simon

 

thaks simon...did u get my pm btw?

 

Terry, don't do it, anything but a Gems, even a Simtek, bit not a Gems! Speak to Pat about a Life Racing Ecu, or there's a Motec coming up soon on 22b, off Anders' wagon

 

Tim,

upgrading FROM a GEMs.. not to

Simon

 

Ahhh, note to self, read the post before replying

 

it is difficult to break those habits though

 

Hey Simon, I ought to start a new project thread shouldn't I?

What should I call it - Project 700bhp Time Attack Winner perhaps??

Oh roll on next year

 

lol..

Simon

 

Been there, done that, sold it on....

 

Terry - how did the exedy organic hold up during the year with your various activites/power levels?

 

hi terry i have a build on the go are you using standard cams at 500bhp or cams and pulleys

 

Standard cams/ heads/ pulleys from an STI 5

 

Duncan, I had 2 exedy organics. The 1st one was fine at the lower power level (380bhp or so). When I had the upgrade to 450 I went with the more aggressive exedy organic - again this was fine, but the clutch was very grabby - felt like a paddle clutch. I was only running about 410 lbft torque and it was ok, but I think your 2.5 could end up with a lot more torque - which would be the limiting factor of the clutch.

A lot cheaper than a twin plate, which I have now - but also not as nice to drive on a daily basis - horrible when stuck in traffic, etc - the exedy twin plate is much better.

Cheers

Terry

 

thats really impressive was told you can only get 450bhp on standard cams iam abit happier now i suppose every set up is different really enjoyed your rightup nice one you say you done your first 1/4 mile but didnt mention your time what was it thats mainly what iam using mine for iam running in
www.prostreetdragseries.co.uk

 

Cheers Terry

Did the organic ever let go (aside from hard launches)?

 

100% agree when i had my car built to its present state was told box wdnt last the rollers and mapping so ppg it was the difference in box alone is amazing good luck ....

I got gems for sale in next week or so if you interested of my 98 sti

 

Never mate - but like I say there are 2 types of Organic Exedy clutch.

 

Dr Frank
I have standard heads, cams, pulleys on my sti5 and can reconfirm that they definately achieve more than 450bhp (and thats on non-race fuel). They will go over 500bhp with race fuel

Gearbox should last a mapping session with that power/lbs - It wont last more than a couple of track days at best though

PPG Helical seems fine - it copes without any issue on the Track, a little noisy but not something that is instrusive - expensive - YES

 

thanks for info good news i have already got ppg gearset in my gearbox just havent used it yet waiting for turbo and then get back on track after newyear .Have to make twisted up pipe going gt35r reverse inlet 2.3 engine steel rods race bearings steel rods ported heads front mount dccd gearbox with electronic controller just a little list to give you an idea of what iam a upto

 

Sounds good Frank - somewhat similar to my new build

 

what r u hoping for then terry and r u running in anything this year.Iam hoping for around 500bhp this year go cams and pulleys next year for 650 700

 

Your plans for next year are mine for this year - another full season of Time Attack and numerous trackdays and a few trips to the Nurburgring. i don't know the full spec as yet, but will have full headwork carried out with uprated cams/ valves, etc and a new turbo, ECU, etc.

It is currently having a full weld-in rollcage fitted - can't wait to see it when it gets back mid Jan