Andy - I fail to see the distinction between the two. Once you allow updating/backdating, you are allowing stuff that wasn't available on your specific car. In erlich's example, 96-97 Camaros which never came with disc brakes are allowed to use discs from 98-02 (and Josh agrees). All years AND all make/model/body for a particular car are covered by a single spec line - what is the rationale for allowing swaps for essentially any year-to-year differences, (which can be considerable from a performance perspective) while differences between models or bodies, which are usually trivial, are verboten. In real terms, what would be lost by adopting definition #2?
I understand that there are reasons to limit what kind of updating you can do, such as not allowing mix-and-match pistons and heads in VWs, for example. But it seems that for that type of problem, the "complete assembly" language is an adequate fix. I don't see what problem that the body type restriction is meant to address.
Tom Lyttle
Decatur, GA
IT7 Mazda - 2006, 2008 SARRC Champion
ITS Nissan 200SX - finally running correctly
FP Ford Capri - waiting for a comp adjustment
GT3 Dodge Daytona - what was I thinking?
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