Quote:
Originally Posted by citcapp
........ the term was used for an engine built to extreme close tolerances ........
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Close.
Engines were rebuilt to factory specs (per the "blueprint" dimensions that were used in actual production) for use in NHRA stock classes. This included taking advantage of any "tolerances" that might be helpful.
Quote:
Originally Posted by citcapp
........ the whole term was "balanced and blueprinted" ........
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Probably coined by the same wannabe that started the 442 CI and/or 442 HP thing.
Since "balancing" is part of any quality rebuild, that part would be redundant. Sort of like saying "small block 350" or "2 door coupe".
Norm