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-You can log parameters. You can't directly see check engine codes without some other software, however.Originally Posted by rickyd13
-You can get a patch that will allow launch control and flat foot shifting. You'll have to look up tinywrx patches. I have one. It does as advertised.
-No. I wouldn't trust the Cobb APs 0-60 or 1/4 times anyhow, however.
Boost is just one piece of the puzzle. While you can alter the boost pressure by using a MBC without any form of ECU tuning, you should be taking timing & fueling into account as well. To clarify, I would not advise raising the boost on the car with just a MBC and no engine management.BOOST CONTROL - i know that when using an electronic boost control solenoid you must tune the car but when it comes to a manual boost controller do you need to tune?
WASTE GATE - what are the benefits of a EWG? and what would something like the kit that cobb offers with the up pipe package show in gains? and this does require a tune correct?
--- External Wastegate Uppipe Kit with TiAL 44mm WG
If yours is leaking. What year/model car do you have? Normally they are okay until you are pushing pretty high boost levels.BYPASS VALVE - when should this be upgraded (not with a BOV i know)
Depends on what you are doing. If you are on a road course, you'll fade the stock STi pads in probably a lap or two. If you are driving like a normal person and not stopping 70-20mph multiple times back to back... you should be okay. I personally am a huge fan of brake upgrades though - the feel you gain from them is nice. Some stainless lines and better pads are relatively cheap and will make a great change in pedal feel if you properly bleed the system.BRAKES - are they really that bad every review i read involving them everyone is bashing them
Normally in the older models, people replace them if they get ripped or just to be safe. In the newer STi's (which use a different intake system anyhow) some tuners seem to be pushing aftermarket turbo inlets surprisingly.TURBO INLET HOSE - does one such as the perrin require a tune not much to read on them? at what point does the stock one become restrictive? and will this be ok to use at the lower stages (1-2 maybe 3)
No benefit. A hose is a hose in that sense... unless it is a broken hose. Most people who upgrade them upgrade them for aesthetic reasons.HOSES - will radiator and intercooler hoses be of benefit and do the intercooler hoses need a tune (maybe because they will flow more air?)
On a related note, however, you may look into picking up some nice T-bolt clamps in place of some of the worm clamps that hold your rubber/silicone boost hoses together. The worm clamps have been known to break, loosen up, or tear apart softer rubber. Just make sure you get the right size T-bolt clamps, as they have a much more narrow tolerance of pipe sizes.
Unabomber's thoughts on the matterFUEL INJECTORS - on the new wrx just want to clarify if they are top or side feed
You just said it... Sort of.MAF/MAP - what are the differences and benefits of mass air flow and mass air pressure sensors?
MAF -> Mass Air Flow sensor -> senses the mass of air flowing at the sensor. Basically a heated wire that is forced to a constant temperature. The more mass of air that flows by it... the more current is required to hold temp.
MAP -> Manifold Absolute Pressure sensor -> measures absolute air pressure inside the manifold. This is commonly known as boost pressure when you convert it to MRP (manifold relative pressure) by subtracting atmospheric pressure from MAP.
No problem. Check out Unabomber's Manifesto over on NASIOC if you are looking for a nice overview of stuff. Google is always a good friendsorry for so many questions but really like to know everything in details and never had a turbo car (actually never even a 4 cylinder or even foreign O_o )
thanks to anyone who takes time to help me out
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