For a high-performance street car, at a minimum you want a precision, three-angle valve job with relatively wide seats able to stand up to years of hot rodding. Quickie parts-store valve jobs won't ...

So far, we only have about 1,600 bucks into our 406 short-block, including assembly and a bit of farmed-out labor (see July and Aug. '06). To complete the job, we started looking around for cylinder ...