oh i recommend on not using cartek, as far as tuning at least, as far as installing parts id say diy it should be easy ****, not sure how many co's make headers right yet for them though...but any ls1 cam would work just as well, I'd recommend a tr224 or even my old cam 231/237 if you want a big bad cam that makes alot of peak power. Oh and I do tune now fwiw.
lata
Bill
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