I know that this is a little off topic, but I recently purchased the Megan TBE and had heard that their Test Pipe was not a full 3" and it really was 3". Maybe they changed their design but there is no reduction in pipe size.
You stuck something inside the resonator part to ensure that it's 3"? Mine wasn't close to 3" inside the resonator, although the openings on both ends were 3". As fat as my pipe is due to the resonator while only being 2.5" internally, it would have to be REALLY fat on the outside to have a 3" ID.
so im a little confused on the evos boost i think
stock it peaks at 19psi, but doesnt hold it to redline and is only around 16psi?
now with a boost controller i can bring it to 21psi without a new fuel pump and it holds that to redline? and what can it go to with a fuel pump?
i probably have no idea what i am talking about, but that is why i am asking...
Stock on your 03 is 19.5psi peak at 3500rpm, and it tapers to 16psi by 6500rpm. No, it does not "hold." With an MBC, you can raise it to 21-22psi peak on 93oct, and it will likely taper to 18-19psi, but it will taper more slowly and not quite as far. The fuel pump doesn't change how much boost you can run. It just provides a safety mechanism to ensure you do not get fuel starvation when running boost higher than stock. It is recommended to do the fuel pump if you raise the boost.
Im sort of on the same mission here. Only problem is In CA, the dont have 93 octane, and "the Man" is pretty strict about no cats. . Is there an alternative for me? Will a high flow cat make that kind of a difference? Would it be worth the money i would spend? and would i still pass the dumb required anual smog checks here?
I was speaking with Ian of Harman Motive in Torrance, CA and we were talking about a possible path. Basically, he said Turbo Back (with either hi flow, test pipe or stock...depending on what your going for) Intake (full short ram or just a filter, such as the Buschur intake filter kit), fuel pump, injectors (somewhere around 750cc), Cams, and a reflash would get you around 325-330. Also, I was asking him about an intercooler, and he said it would make a difference, but with the stock turbo and not too much boost, it wouldnt be a big one.
Last edited by turbosmartevo8; 03-04-2007 at 03:11 PM.
Reason: thought of some new info
I don't see how that would hit 330 on 91oct, and I see absolutely no reason for the injectors - that makes no sense. You might get close to 330 with those mods if you push the boost to the limit for 91oct, but I wouldn't count on it. FMIC won't do anything for you at that level of modding unless you are road racing and need to avoid heatsoak.
I disagree. There is a reason for the injectors and the FMIC, and it's a pretty well known reason too; 91 octane sucks. If you want to make good power with it you need to do everything you can, which includes a more efficent intercooler and basically quenching out the knock with more fuel.
Originally Posted by turbosmartevo8
Will a high flow cat make that kind of a difference? Would it be worth the money i would spend? and would i still pass the dumb required anual smog checks here?
A high flow cat will be better than stock, but keep in mind aftermarket cats tend to only last two years. You'll pass the first test with it, but chances are not the second. When that time comes, just remember to keep your stock cat safe, swap it in for the test, and run around with the high flow to stay visually safe.
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