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Go Back   Scion XD Forum > xD Modification > Engine/Performance

Engine/Performance All things engine and performance.


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Old 06-25-2009, 01:10 PM   #1
 
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Default Headers? Fuel Management? etc?
Does anyone know what we have available for aftermarket go fast goodies?

I need more pep in my step... like "Civic SI killer" status...
Which should be easy enough for us to accomplish, hitting 200whp should be doable on a stock motor...

so what does everyone have/seen for performance engine mods?


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Old 06-25-2009, 07:40 PM   #2
 
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nuthin' but CAI's and an underdrive pulley, as far as I know... don't think there's a lot of demand for performance parts for the xD, as of yet...


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Old 06-26-2009, 09:49 AM   #3
 
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well i read sumthing on the white turbo xd from PR he using tC injectors i mean it should make u somewhat faster right because u burn gas quicker???
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Old 06-26-2009, 10:09 AM   #4
 
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Originally Posted by xDizzle View Post
well i read sumthing on the white turbo xd from PR he using tC injectors i mean it should make u somewhat faster right because u burn gas quicker???
Using tC injectors would only be useful if your running some type of fuel management system, like an safc II, emanage, stand alone, etc... this is only useful if you can properly tune the vehicle... but honestly, I dont see why you would want to run only slightly larger injectors when you could grab a set of SARD's up that are like 650cc or 750cc and just tune with them in.... especially if going turbo, running lean on a turbo system is just stupid, and with him blowing his motor, clearly he was not tuned properly and his A/F was off...


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Old 07-20-2009, 04:45 PM   #5
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the xd in pr blew his motor because he was running no engine management... he just let the stock ecu adapt tot he new afr.... bad idea... there is a header in the design fase from dc sports and should be release soon...
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Old 07-22-2009, 10:39 AM   #6
 
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Do we have any info about the the DC Sports Header?


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Old 07-22-2009, 11:46 AM   #7
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like i said they are working on it when i hear back from the guy they are using for r&d ill post up the info with gains
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Old 07-22-2009, 12:46 PM   #8
 
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Originally Posted by misformartin View Post
like i said they are working on it when i hear back from the guy they are using for r&d ill post up the info with gains
Awesome, thats exciting news


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Old 12-02-2009, 10:41 PM   #9
 
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Can this be right? http://speedagency.com/dc_sports/dc_.../i-290258.aspx


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Old 12-03-2009, 08:38 AM   #10
 
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Wow, looks like it. I send them an email to verify.


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Old 12-07-2009, 10:29 AM   #11
 
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I got a reply back today... he asked for a link to the site so he can verify its in stock...


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Old 12-07-2009, 12:53 PM   #12
 
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Could a header finally be in production for xD? If so, if so it would appear as if our little corner of the market will be getting some attention. I hope more products and xD exclusive pieces will become more and more available. Hoping and...


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Old 12-08-2009, 12:12 AM   #13
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i just bought one.
waiting for fedex to come.
was going to install it myself any tips would be welcome.
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Old 12-08-2009, 10:03 AM   #14
 
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Originally Posted by gregsteeg View Post
i just bought one.
waiting for fedex to come.
was going to install it myself any tips would be welcome.
you might be waiting a while for it... I sent the guy a link to his own website and got this in reply:

"Hello,

Back in stock mid March 2010


Pre orders are accepted on this item

-Jason"


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Old 12-08-2009, 11:13 AM   #15
 
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haha I was waiting for someone to reply on that one *eating popcorn* lol
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Old 12-08-2009, 09:13 PM   #16
 
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Originally Posted by gregsteeg View Post
i just bought one.
waiting for fedex to come.
was going to install it myself any tips would be welcome.
I wonder if pulling the engine is required to get one on. If no one here knows, call Toyota.


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Old 12-08-2009, 10:02 PM   #17
 
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might not have to. but removing the front bumper. or anything else in the front (radiator) and maybe hood for easier access will most likely be neccessary
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Old 12-10-2009, 11:21 AM   #18
 
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^^ our manifold is located on the back of the motor, so no need to remove front bumper etc. The only thing you will need to remove is the wiper cowl and the metal support under it, after that there is a ton of room to get back there and install it... or you could throw it on a lift and go from under the car... I would pick option 1...


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Old 01-15-2010, 09:41 AM   #19
 
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Does anybody have an idea of what kind of horsepower gains can be expected after installing one of these headers, a CAI, and a performance exhaust? I'm guessing around 10-15 percent of stock output.


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Old 01-15-2010, 01:01 PM   #20
 
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Originally Posted by SciFion View Post
Does anybody have an idea of what kind of horsepower gains can be expected after installing one of these headers, a CAI, and a performance exhaust? I'm guessing around 10-15 percent of stock output.
I read about a company that made an intake manifold and header for the xD to test it out, and were able to produce 148hp on a dyno with a CAI, Magnaflow exhaust, Header and intake manifold. So more like 20hp for a CAI, header and exhaust...

---------- Post added at 01:01 PM ---------- Previous post was at 12:58 PM ----------

Originally Posted by Richard Holdener

Here are the dyno results of the new long-tube header for the 1.8L Yaris TS and Scion xD (possibly other apps as well).
Equipped with just a home-made air intake, the otherwise stock Xd produced 123 wheel hp and 121 ft-lb of torque.
Equipped with the long-tube headers and 2.5-inch mid pipe (2.25 would work equally well) and no axle back, the motor produced 134 wheel hp and 134 ft-lb of torque.
At just 3000 rpm, the header and mid pipe offered an additional 15 ft-lb of torque.

Next we installed the prototype of the Xd intake manifold. The peak power numbers jumped to 148 hp and 137 ft-lb of torque.
At 6000 rpm, the intake offered gains of 16 hp.
It appears from this testing that if we add an NST u-pulley and receive the same results as we did on the 1.5L Yaris motor, the 1.8L can produce a real 150 wheel hp (possibly more if it reponds favorably to the FIC).
BTW-We already made 151 wheel hp with a version of the intake that won't be offered for sale-it adds a bit more peak power but sacrafices too much elsewhere)




^^there is the original text


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