Originally Posted by rolnslo
$6k on top of a v6 (non-LS) will get you within $500-$1k of the price of an SS...To sell these, I think you'll have to make that gap a little bit bigger.
To achieve 400rwhp on the SS cars, you'll need headers and a tune - figure a grand easy on top of the purchase price on the car.
400rwhp in a car that weighs 200lbs less and retains it's driving manors while off boost is lots of fun.
I'm assuming 6K is for the shop-install and tune. I worry far more about the 6L50 transmission than I do the engine.