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no idea mate, but surely the actual compression ratio is determined by the physical aspects of the cylinder / piston stroke / thickness of head gasket, so i would suspect that it is unable to be changed by ecu mapping. perhaps thicker h/g or re-engineer piston rods (shorter) etc.

you don't want more than 1.2bar unless you have uprated engine internals & other stuff done as well eg fuelling - the engine will break. do some research.

hi azzy, i'm new here, and don't know the etiquette here, but this has been done a few times. hth i don't think u can mix gearboxes / transfer boxes between early evo models, so you may have to source matching gearbox, transfer box, drive shaft & rear diff

Re: How dangerous is drag racing? yup, i have heard this also. i should've mentioned it, and made more clear i'm a novice - only been twice, but those 2 times where fine, just as i described above. last time was feb 2009, a very cold day, so maybe not surprising it wasn't busy, but the other...

Re: How dangerous is drag racing? hi wayne, well, that's the thing. it deffo pays to get there early. i live in devon, so get a premierinn the night before, and get there for about 8am, maybe 8.30. by lunch time, the queue is maybe 20mins, but before that, it's more or less straight on the...

um, yes, i'm pretty sure fog lights go off when you switch from dipped headlights to high beam. i'm going out in my astra in a bit, i'll check :). and when i get back, check the evoIII.

:blink1: i'm doing a public service! it's costing me a fortune atm. gotta pick up a new (2/hand) gearbox tomorrow from essex. oh well, she's worth it:) if anyone's interested, it's a rubbish quality, but here's a vid of me at santa pod last year (listen to the kid in the background:))...

regarding the rwyb days at santa pod etc, pretty safe IMO as in a normal car you won't be going over 100mph i shouldn't think. a fantastic day out. £10 per car to get in, and £25 for unlimited runs. you'll never forget the first time you're at the staging lights......:D here's a run on my 1st...

+1 for reliability, keep it standard. for modding, after usual exhaust, intake, IMO a boost controller is the best bang-for-buck. £160 gets you whatever boost pressure you turbo can give (but on standard engine internals, 1.2bar is considered max safe boost pressure). Going from standard...

hi everyone, thanks for the warm welcome:) i just posted a link to a pic of the vortex gen, but the post is delayed while an admin checks it by the look of things! it's carbon fibre, but really just a bit a bling:amazed: .

i haven't got any pics of mine, but here's a link a pic of where i got it http://www.evo321.com/shop/cgi-bin/cp-app.cgi?usr=51F9322686&rnd=7759326&rrc=N&affl=&cip=&act=&aff=&pg=prod&ref=vortex_genn&cat=exterior_after&catstr=HOME:exterior:exterior_after it goes on the roof, at the back. like...

Hi all, just registered :) i got an evo 3 in black. obviously quite old now, and a little bit modified.....fat exhaust, lowered, boost controller, gauges, some small vinyls, a vortex generator (yet to be fitted)....