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  1. Engine Modifications
    Hi there, I am a new member. I have been perusing the forum looking for ways to add a reasonable amount of power without worrying about dropping thousands on internal upgrades or a new engine after I blow one up. I just got my 2006 Scion tC manual and it has about 170,000 miles on it I bought it...
  2. General Scion tC Discussions
    Which one should I go with im already doing values exhaust fuel pump injectors pistons and rods and few more things might upgrade the whole engine to be honest just want more power
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