[jackal2000]

turbo, hands down. you could probably piece together a budget turbo build for $2k. if you went N/A, that same amount of money gets you headers, heads, and a cam with a couple hundred bucks to spare, but no where near the power level. if i could do it again i would have just had the blown head gasket fixed and slapped a t3/t4 turbo on it and called it a day.