Quote:
Originally posted by masraum
I know that back in the day more or less stock parts were used, but I wonder these days. Are the cars that we see racing using stock parts or are they using aftermarket cranks, pistons, blocks, heads suspension, brakes, etc... In which case going by how they perform on the track would be mostly irrelevant.
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Yes, that's a good question. I however believe that if they were using aftermarket parts, that officials might find this out. At worst (or best, depending upon how it's looked), the parts are probably stock, but handpicked out of the bins and balanced, blueprinted and hand-assembled in some fashion.
I do know that the Honda Civic Si race car was modified (but mildly), and put out an excess of 250 hp from its stock 197 hp.
As importantly, I would hate to think these as-told "stock" race cars are highly modified, particularly in the engine department. From a marketing standpoint, if these cars were highly modified, particularly with aftermarket parts, it would somewhat negate their campaign of "...race Sunday, sell Monday."
masraum - btw, the latest Grassroots Motorsports has a big write-up about what it takes to build a Spec Miata - if you're interested.