What's with WRX's?
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blacked-out i agree well explained. iv'e installed a gfb and i found out that i was only getting around 200miles per tank compared to 260 miles. i thought it was my stlye of driving but i kept consistant with shifting and using the same gas tank after tank after tank, and i was still getting poor milage, so i sold the bov. as far as mods im sorry your not enjoying your car, but if you listen to people with great knowledge about these cars im sure that your car will move. in the begining i said im not going to buy alot of stuff for this car now im at stage 4 and loving it...
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The only problem is that I don't know who to trust and listen to. Half the people I hear from sound like they are just passing on something they heard from someone else. So I don't know what to believe.
to swain: the point of a dohc vtec engine is the top end power; torque makes little difference because in a race your only using your low end from the launch, everything else is top end power. Intake, headers, and exhaust drastically improved the top end power on the little 1.6L; it was a quick little car but nothing like my scooby.
to swain: the point of a dohc vtec engine is the top end power; torque makes little difference because in a race your only using your low end from the launch, everything else is top end power. Intake, headers, and exhaust drastically improved the top end power on the little 1.6L; it was a quick little car but nothing like my scooby.
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true i hear you, when i started it was the same thing people tell me this and that. than me and my brother in-law said f@#k it do you want you want and dont listen to them. some people are really accurate and honest with their opinions some are not. for the most part this forum has been a blessing
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Joined: Feb 2003
Posts: 488
From: 12.9 / 105+
Car Info: black my03 5mt wrx s/w
Originally posted by Blacked-Out
And I dont care what anyone tells you here in this forum or about any car, doing mods reduce the life of the car, including intake which cause the car to run lean and brun hotter, theoritacaaly causing more damage to piston rings than usual. If you serious about tuning this car, get an air/fuel ratio monitor, then start bolting on. Also remember, if you lean out with an intake, than richin the mix with a bov, that might not be so bad depending on ratio they are to eachother.
And I dont care what anyone tells you here in this forum or about any car, doing mods reduce the life of the car, including intake which cause the car to run lean and brun hotter, theoritacaaly causing more damage to piston rings than usual. If you serious about tuning this car, get an air/fuel ratio monitor, then start bolting on. Also remember, if you lean out with an intake, than richin the mix with a bov, that might not be so bad depending on ratio they are to eachother.
a) explain to me how taking the pre-cat out of the up pipe will reduce the life of the car. actually, taking ANY cat out?
b) your point about the cai and the bov offsetting each other is unfounded. the cai is always active--the bov is active when manifold pressure drops due to a closing of the throttle, and will cause a MOMENTARY rich condition. if you have a cai that causes lean conditions and you lean into the throttle hard for a 4th gear pull, that BOV is doing NOTHING and you're nice and lean. watch the damage that results.
remember the issues with CAIs are two-fold:
1) different diameter intake plumbing causes the proportionality programmed into the ECU to be erroneous. the stock MAF does NOT measure all the airflow; it measures a percentage. this percentage is extrapolated by the ECU. if the percentage sampled is changed, you need to change the proportionality of the extrapolation. ie. tune the engine. this is not a design flaw per se in the CAI; it is almost a prerequisite to a higher flowing intake system. if you want to buy a CAI and just bolt it on w/o tuning mods, make sure that the diameter of the MAF region is exactly the same as OEM.
2) badly designed CAIs cause turbulence in the MAF area. this causes erratic and randomly-changing values to be read by the MAF, and is well-neigh IMPOSSIBLE to tune for. watch for bends right before and after the MAF mounting point. don't buy CAIs that have this sort of design... you want the smoothest, most laminar flow possible in this region.
hth
ken gilbert
Registered User
Joined: Dec 2002
Posts: 73
I agree with ride5000
Also, when looking for info on these or any other forums. read a lot, run searches and read everything you find. Over time you will start to see a trend and average opinions or facts about things. You will notice most people tend to agree BOVs are for show and not go and that boost controls can be a bad thing, etc.
Vendor info is good to read up on too. if you can help it avoid vendors that many people have had trouble with. I know it's a lot of information and can be over whelming but a few late night weeks and you'll have a good handle on things.
Also, when looking for info on these or any other forums. read a lot, run searches and read everything you find. Over time you will start to see a trend and average opinions or facts about things. You will notice most people tend to agree BOVs are for show and not go and that boost controls can be a bad thing, etc.
Vendor info is good to read up on too. if you can help it avoid vendors that many people have had trouble with. I know it's a lot of information and can be over whelming but a few late night weeks and you'll have a good handle on things.
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Originally posted by swain
what are u smoking when u put intake headers exhaust on a civic u cant feel anything if anything u lost torque with your intake..
what are u smoking when u put intake headers exhaust on a civic u cant feel anything if anything u lost torque with your intake..
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agreed.. honda's are cool.... especially the sleepers... you're like "damn what just happened? did i just get smoked by that hatchback" whoa...
SRT-4 = BADASS!!! who cares if it's a neon, it's badass... i don't know about that video though... hahaha.. but it's coo... gotta represent your vehicle the best way you can...
SRT-4 = BADASS!!! who cares if it's a neon, it's badass... i don't know about that video though... hahaha.. but it's coo... gotta represent your vehicle the best way you can...
Registered User
Joined: Feb 2003
Posts: 76
I've been reading these forums for awhile now and figured I'd add my 2 cents. I have a 2002 WRX and have a GFB BOV and a Unifilter CAI. I've had no problems for 9000 miles. My car's an automatic I'm sure someone will rip on that....Anyway I've had a lot of fun with these mods (plus my 17 inch P1's and sti hood scoop) and have noticed no horrorshows. In fact my car was faster with the CAI and hood scoop. To be honest I don't think the BOV did much. I'm getting my UTEC, up-pipe and catback soon. We'll see how it goes.