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Originally Posted by Madzozs
All these dynos were taken from another scion forum. I will gladly supply the link that has all this information at the bottom of this post.
Stock wHP is 136.84 as per this dyno.
wHP with a Greddy Evo2 axleback is 142.16 according to this dyno.
5.32 wHP gain.
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this dyno was done with the Greddy Evo2 axleback, but the gain is still the same.
wHP with stock headers is 141.17 and with Alphawerks header is 150.25 according to this dyno.
gain of 9.08 wHP
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The intake dyno was done with Alphawerks headers on but like I mentioned above, the gain is the same.
wHP with stock air intake is 149.41 according to this dyno
wHP with the Injen CAI was 157.50 according to this dyno.
gain of 8.09 wHP
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From the tests used, there is a total of 22.49 wHP gained.
It may not be 35-45, but its still not that bad. Now if you add in some NST pulleys, and a Fidanza flywheel, you can probably pull close to another 10-20 HP out of your car. It's amazing what weight removal can do.
Also, as mentioned, the page I took this information from can be found here. I had nothing to do with these tests, I was just using this to help me plan out some work for my car the other day and thought I'd help others out. |
Here's the thing I don't like so much about the Scion tC. The injectors (although slightly bigger than that on its sister "the Celica") are a bit small for what the Scion tC is capable of. Get rid of those bitsy 220cc injectors, upgrade to 390cc??? injectors and you'll get 10hp/tq right off the bat. Add headers, and you'll get around 5 more HP. Add TRD exhaust and you'll get about 8-10 more hp out of it. Add a SRI and you'll get 5-10 more HP out of it (Depending on how hot the air around the SRI is). Add a CAI and you'll get about 3 more potential HP from the NA setup, but this too is effected by temperature around the Intake.
You'll get 35-40HP/TQ gain overall in a perfect environment, but because you've boosted up the Injector sizes, it would be best to get a FMU or EMS for the car so that the fuel doesn't go to waste at higher RPMs. With all the components listed above, and assuming that you're looking for budget Brand parts, you'll spend about $1,300-$2,300 on your NA car. So expensive only because the computer and design departments for this stuff is still in its R&D phase. It'll work, they just don't know exactly for how long.
You CAN do it, but no matter what you do to your car "performance wise," you'll have to spend a bit of that piggy bank money that you have saved up. Otherwise, you're a Honda with a fartpipe.