Quote:
Originally Posted by ZDan
The funny thing is, despite all the hype about them being "underrated", most of those old muscle cars were quite overrated for horsepower. "Gross horsepower" ratings were basically lies...
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How were they overrated? The gross rating was the standard for the day. The only difference between gross and net is just that the accessories were added to the engine during the dyno test. Gross is still a very common way for aftermarket engine builders to advertise their engines. Arguing that gross horsepower is incorrect is the same as saying that net horsepower is incorrect and that wheel horsepower is the only true measure. They weren't overrated, they just used a different system.