HPR 468.....engine dyno versus chassis dyno
#41
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I guys forget GM normally under rates engines even though they say SAE rated. I bet 60-65 hp drop isn’t a real percentage
#42
TECH Senior Member
#43
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https://www.sae.org/standards/develo...rtified-power/
#44
TECH Senior Member
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Back in those days, yes. Today the procedure is done with an official from SAE witnessing and certifying the event. Been that way since 2005 I believe. Here’s a link...
https://www.sae.org/standards/develo...rtified-power/
https://www.sae.org/standards/develo...rtified-power/
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wannafbody (04-16-2020)