raced a damn quick legacy - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-24-2008, 06:04 PM   #1
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Default raced a damn quick legacy

He said he had a uppipe, downpipe, intake, exhaust (sounded good), and accessport. He had about 2.5 lengths on me through 5th gear, and he got the jump. I was surprized, as was he. They were very cool guys, his passenger has a sti that hes putting a huge turbo on haha. Was an exciting hour of tuneing haha!
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Old 05-24-2008, 08:40 PM   #2
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..more boost! Jk, sounds fun.. those legacy's are sneaky sometimes.
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Old 05-24-2008, 10:53 PM   #3
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stock they are around 14.0 flat...start whopping on STis, thats when it gets fun.
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Old 05-24-2008, 11:30 PM   #4
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nice.......he's basically a shitty stage 2 then. intake's for our cars are useless (which can make the tune shitty if its an ots flash), and on the legacy engine (which is similar to the sti) there is no need for an aftermarket uppipe as they are catless unlike the pre 06 wrx's which have a shitty cat....but whatever, it doesnt make much difference. congrats
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Old 05-25-2008, 12:52 AM   #5
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My ex just bought one today. I told her if she likes Legacy's, to please do me a favor and get the GT....she did! I cant wait to drive it!

05' with 28k miles for $18,000 @ a Mercedes dealer, so you know older folk probably owned it. I told her it needs a boost gauge and BOV right away! Hopefully she mods it, I don't want to see it go to waste.

Vash-
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Old 05-25-2008, 01:26 AM   #6
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05' with 28k miles for $18,000 @ a Mercedes dealer, so you know older folk probably owned it.
That doesn't mean a thing...the dealer could have and most likely bought it at auction.
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Old 05-25-2008, 02:14 AM   #7
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my friend has a spec-b and the things def. moves outta its own way.... its funny to see a big 4dr boosted but still stock, spanking kids in their b16civics
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Old 05-25-2008, 02:39 AM   #8
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Originally Posted by Vashthestampede View Post
My ex just bought one today. I told her if she likes Legacy's, to please do me a favor and get the GT....she did! I cant wait to drive it!

05' with 28k miles for $18,000 @ a Mercedes dealer, so you know older folk probably owned it. I told her it needs a boost gauge and BOV right away! Hopefully she mods it, I don't want to see it go to waste.

Vash-
It doesnt need a blow off valve at all. In fact, dont touch the factory bypass valve. Its good for more HP than it sounds like she'll ever make it it will just make it backfire if she opens up the exhaust. Dont be a bad influence.


Those GTs are fast. But the spec. B....<3
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Old 05-25-2008, 03:57 AM   #9
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Originally Posted by Vashthestampede View Post
My ex just bought one today. I told her if she likes Legacy's, to please do me a favor and get the GT....she did! I cant wait to drive it!

05' with 28k miles for $18,000 @ a Mercedes dealer, so you know older folk probably owned it. I told her it needs a boost gauge and BOV right away! Hopefully she mods it, I don't want to see it go to waste.

Vash-
It does not need a BOV
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Old 05-25-2008, 10:18 AM   #10
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Originally Posted by J.T. View Post
It doesnt need a blow off valve at all. In fact, dont touch the factory bypass valve. Its good for more HP than it sounds like she'll ever make it it will just make it backfire if she opens up the exhaust. Dont be a bad influence.


Those GTs are fast. But the spec. B....<3
+1 on the spec B's. I was reading up on them and told her that would be a bit much for her needs.

Bad influence? lol. She called me yesterday disappointed that she couldn't hear anything. That the turbo didn't sound like she thought it would. Its not my car, but whatever she wants, I'll help do it.

Vash-
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Old 05-25-2008, 12:03 PM   #11
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+1 on the spec B's. I was reading up on them and told her that would be a bit much for her needs.

Bad influence? lol. She called me yesterday disappointed that she couldn't hear anything. That the turbo didn't sound like she thought it would. Its not my car, but whatever she wants, I'll help do it.

Vash-
http://forums.nasioc.com/forums/show...hreadid=468038
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Old 05-25-2008, 05:02 PM   #12
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well, JT is right putting an atmospheric bov on our cars is a VERY bad idea.......hell, im on a 20g turbo with well over 350whp and still on the stock bypass valve.....the atmospheric ones are complete ****, recirculating ones are the only ones to get. the atmospherics make the car backfire alot, let out metered air making the car run lean for a few seconds between shifts, as well as sometimes cause the ecu to pull a couple degrees of timing due to it not knowing wtf just happened when loosing its metered air. it is not a miata, it is a bit more complicated, my honest advise to you: whatever she does, DO NOT let her get a bov on it. she will regret it

as far as mods for that car, i would suggest a nice turbo back exhaust and a tune, the power increase will be crazy for just those two mods. a tactrix cable is 80 bux new, and an xpt stg2 map is 50 bux from the osecuroms website. using a laptop (its really easy) flash the map onto the car after installing the turboback exhaust, and bam: you have a very safe (conservative of course) stage 2 legacy. you'd be putting down anywhere between 250-270whp 280-300wtq and the cars power curve will be so much better it will put a grin on her/your faces
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Old 05-25-2008, 08:40 PM   #13
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well i'm the ex who got the legacy, and thanks for all your input! i will be sure to check the subaru forum. i plan on a few upgrades, nothing crazy, and vash won't have much say in them - he was already a bad enough influence in me going with the GT

and for the record, the car was a trade-in, for a nice couple who chose to go with a c class
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Old 05-25-2008, 08:50 PM   #14
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Quote:
Originally Posted by 18psi View Post
well, JT is right putting an atmospheric bov on our cars is a VERY bad idea.......hell, im on a 20g turbo with well over 350whp and still on the stock bypass valve.....the atmospheric ones are complete ****, recirculating ones are the only ones to get. the atmospherics make the car backfire alot, let out metered air making the car run lean for a few seconds between shifts, as well as sometimes cause the ecu to pull a couple degrees of timing due to it not knowing wtf just happened when loosing its metered air. it is not a miata, it is a bit more complicated, my honest advise to you: whatever she does, DO NOT let her get a bov on it. she will regret it
Miatas that have an AFM/MAF suffer from the same consequences when using a VTA BOV.
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Old 05-25-2008, 09:32 PM   #15
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megasquirt the legacy! haha
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Old 05-26-2008, 01:34 AM   #16
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Originally Posted by lilmiatae15 View Post
well i'm the ex who got the legacy, and thanks for all your input! i will be sure to check the subaru forum. i plan on a few upgrades, nothing crazy, and vash won't have much say in them - he was already a bad enough influence in me going with the GT

and for the record, the car was a trade-in, for a nice couple who chose to go with a c class
sweet, congrats......if you want any input feel free to ask, I tune subaru's in the area (via opensource tuning) and would be happy to give you some pointers. legacies are nice cars, perfect balance of power and style, and more "grown up" unlike the wrx models.

ps: the setup in my siggy is getting parted out and car sold in the next few months. setup good for 350-450whp, just puttn it out there
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Old 05-26-2008, 02:43 AM   #17
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Quote:
Originally Posted by 18psi View Post
well, JT is right putting an atmospheric bov on our cars is a VERY bad idea.......hell, im on a 20g turbo with well over 350whp and still on the stock bypass valve.....the atmospheric ones are complete ****, recirculating ones are the only ones to get. the atmospherics make the car backfire alot, let out metered air making the car run lean for a few seconds between shifts, as well as sometimes cause the ecu to pull a couple degrees of timing due to it not knowing wtf just happened when loosing its metered air. it is not a miata, it is a bit more complicated, my honest advise to you: whatever she does, DO NOT let her get a bov on it. she will regret it

as far as mods for that car, i would suggest a nice turbo back exhaust and a tune, the power increase will be crazy for just those two mods. a tactrix cable is 80 bux new, and an xpt stg2 map is 50 bux from the osecuroms website. using a laptop (its really easy) flash the map onto the car after installing the turboback exhaust, and bam: you have a very safe (conservative of course) stage 2 legacy. you'd be putting down anywhere between 250-270whp 280-300wtq and the cars power curve will be so much better it will put a grin on her/your faces
Actually I don't mean to nitpick.. but technically releasing metered air isn't making the car lean, it actually makes it rich. Theres still fuel injected for the metered air, but the air goes away... Which is what causes the "backfire" which is nothing more than unburnt fuel piled up and igniting.

My friends had a Turbo-XS VTA on his 04 wrx for like 3 years now. Every once in a blue moon it'll pop, but doesn't seem to have any negative effects. Hes still running stock turbo, HKS up-pipe, downpipe, test pipe and full 3" exhaust with a moderate tune. He calls it "stage 2" and for not having the boost level altered its a factory freak! Last week he pulled on a 13.1 second STi "clone."



Fun car.

My Mazdaspeed6 on the other hand I have a Greddy Type-S that I ran VTA for a little while, and 3" catback no muffler. That pops a LOT driving around and the spool is totally murdered running VTA. Recirc it works perfectly, and I replaced the factory piece of **** plastic valve because it leaked badly and cause some massive boost creep..
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Old 05-26-2008, 02:56 AM   #18
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My HKS SSQV had me backfiring all the time. I would seriously shoot major flames when I hit the rev limiter by accident. Occasionally on the highway at night, I would notice the road light up behind me with a boom. Gave me wayy to much attention.

I did some reading on the subie forum. I also linked it to her so she could learn a little about her car. ****, I'd pay the ******* $100 to reflash the ECU and do the car some good. As it is, I think its too fast for her....lol.

Vash-
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Old 05-26-2008, 03:13 AM   #19
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She'll prolly **** herself the first time she hits full boost in it..
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Old 05-26-2008, 03:14 AM   #20
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Actually I don't mean to nitpick.. but technically releasing metered air isn't making the car lean, it actually makes it rich. Theres still fuel injected for the metered air, but the air goes away... Which is what causes the "backfire" which is nothing more than unburnt fuel piled up and igniting.
yes, you are correct it causes a rich condition and while some run VTA BOVs it is generally frowned upon in the Subaru commuinty. Esp. since there isn't much need for one on the typical "stage" cars other than to get that "turbo" noise.
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megasquirt the legacy! haha
Waste of time and money when a flashed ECU is capable of handling mods, i.e. accesport, ECUTEK, or OpenECU.
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Originally Posted by Vashthestampede View Post

I did some reading on the subie forum. I also linked it to her so she could learn a little about her car. ****, I'd pay the ******* $100 to reflash the ECU and do the car some good. As it is, I think its too fast for her....lol.

Vash-
NASIOC is one of the better forums, but a little impreza centric. Although so much is interchangable that the info, esp. engine/tuning info, applies to pretty much all of Subaru's turbo cars.

Great Legacy forum;
http://www.legacygt.com/
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