only a crazy man would do such a thing!

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Exactly - and I'm not a crazy man (well not that crazy anyway) but the car on the other hand well that's crazy.

Applied a temporary fix to the up-pipe and drove it home and it's now getting SOME boost but there still must be a leak as it barely would get past 1 bar but even that small fix made a significant improvement in performance so it'll be interesting to see how much better things are when it's all running properly.

Non venting gate is for pussies

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Who's car was this? I highly discourage you from trying to tune it yourself. Get it on a dyno and get the pros to do it. I recommend ASG. Sean is good at tuning. Cost a couple of hundred but it will be much cheaper than a new engine.

Already one step ahead of you dude, went to see Sean this morning and he's going to re-tune it and install the NOS early next week once the exhaust is fixed (which is happening right now and should be ready tomorrow morning fingers crossed).

As for not tuning it myself, I agree with you partially in that the person/people who built the engine (ASG) should be the ones to do the initial tune and depending on the engine setup any retunes for any major mods done afterwards.

But as for tweaks and minor mods there is no reason why anyone with half a brain and the right equipment can't do tunes themselves. After all, the reason why there is no definitive guide to engine/ecu tuning is because it's a process of trial and error, every engine and mods combination will always yield different results but if the correct procedure and equipment is used it's pretty hard to go wrong (but not impossible).

Obviously any additional experience the tuner has will always make a huge difference in the time taken to get the job done and when you are paying by the hour (or half day like I do) for dyno time the quicker it gets done the better.

Yes but you dont want to be educating yourself on a mega dollar engine.

Id rather whoopsie a 900 dollar shitter ej20et from a jdm cut then a 40k cosworth monster.

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I totally understand where you are coming from. The main way an unexperienced tuner would cook an engine would be running it too lean for too long at high rpms resulting in detonation/pinging which some engines can handle in small doses or at the absolute worst case pre-ignition which is an all but certain rebuild.

That being said, the obvious solution is not to run it too lean by careully monitoring AFR's, EGT's & the presence of any knocking and then to ensure that Air temperature correction maps and coolant temperature correction maps for both timing and fuel are properly setup and the whole lot tested across a wide variety of conditions.

Besides which, I would assume a 40K cosworth engine would be running some pretty wild cams or at least some pretty crazy cam timings so fueling requirements would be immensely different than those of a stock EJ20 which is what I've been learning on....

Was trying to figure out what you meant and then I stumbled on a 44 page threat titled "Project [GIVE WAI]" and then put 2 and 2 together. I had no idea this car was so well known.

So anyway, yeah GIVE WAI as it was once known as is now my new baby. Yeah I know it's a slight overkill for what will eventually be my daily driver but I wanted a black 2006/2007 STI as a minimum and I also wanted an engine that could handle a 100 - 150 shot of NOS without having to worry about it blowing up. Then by the time I would get the turbo, ecu, fuel system etc etc the cost started to skyrocket. And then I saw GIVE WAI for sale for and figured it's a much smarter way to go about things than spend it all over again. Sure it's more fun doing it yourself but I've been there done that many times over so this time around I'm taking the easy way (wai) out.

I'm looking forward to being able to let this crazy beast stretch its legs as from what I can tell it has spent most of its life in a garage of some form.

well done for buying it, did you get his brakes too?

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Long live the WRC

What about washing the bores out from running it too rich?

Tuning is an art, and theres a reason the best at it charge good money.

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