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Originally Posted by Nige
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Originally Posted by worzel
Had a good day at Bobs yesterday in Swindon.
Unlike the last time I went there, the map had held up well from last year and was pretty much bang where he left it.
Bob being Bob decided to have a tinker all the same. Did the usual runs on the A419 (or Swindon race circuit as I know it!  ), in total did 6 runs, followed by a stop and re-flash.
The runs consisted of holding 0.5 bar in 5th until told, then hold 1.0bar in 5th until told and finally 2 goes at foot flat to the floor in 5th until told.
Bob improved Turbo response (spooling much earlier) and added a real low to mid range punch. The road dyno showed that this has given some gains.
Last years dyno was 348bhp & 345nm torque. This years looks like it will give me 351bhp (he said the bhp was good where it was and thought it wise to leave roughly where it was) but he reckons we have put about 15-20 nm torque on it giving hopefully about 360nm +. He will send the graphs over to me next week.
Had a cracking drive home, cruising at 75-80 (honestly too  ) but when I went for a gap in traffic to overtake it really pulled hard and took off superbly. Really really happy with it.
I also chatted about my plans for the old girl once I own it (next month) and what I want to acheive (370-380 on bhp & nm) and has pointed in the right direction.
Then to round the day off, he thinks he will be able to map the M3 too! I nearly wet my pants!!!!!
Finally, I raised the question about oil. He does use Shell Helix Ultra 5W 40. And he uses this drag racing too. He said it is by far the most consistent he has used and the best by far for oil temp. He has tried many oils but absolutely swears by it.
Right, I'm off for a spin in the old girl! Laters all!  |
Bloody good figures mate. What engine are you running? |
When I got the car, I got the STi8 Type UK with PPP. The original engine let go on the big end (at around 27,000 miles) and I had a new engine put in under warrantee. Dave @ Gatwick put in a short block 2.0l.
Apart from that, I have not touched the engine at all. In fact as far as the "oily bit" goes, it is just the Air filter that has been changed / upgraded. This is due to the fact I will only own the car as of April this year.
I have even kept the original Sportcat on there so it's not even de-catted. Most of the things I have done to it are external / cosmetic mods. Vortex Afterburner back box / white line Anti roll-lift throughout etc. Apart from that it runs completely off the shelf Subaru parts.
Being PPP, it did have uprated fuel pump and all the other whistles and bells that come with the package which helps immensly with re-mapping the car. Bob in hind sight may have done the 3 port at the original mapping session, I kind of remember it happening, but age has fuggled the mind somewhat!
I am looking forward to the rolling road day though, to see the difference between the Road Dyno and the rollers Dyno. Bob reckons that the BHP won't be far off but the torque figures will probably be down on the Surrey Rollers. He has asked me to send all of the figures I get from Surrey to him out of curiosity.
It's one of those divided camps as far as roller / road dyno tests goes. From the road dyno side of things, it does give you "real life" loads and also drag effect comes into it. I haven't had it on the rollers since before I first got the tek3 remap some 3 years ago. The last one I had on rollers was 299bhp & 301nm torque (as opposed to 301bhp & 305nm torque as PPP says it gives you) at power engineering in it's "Standard PPP" format. The car was a year old at the time.