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Old Jun 17, 2006 | 10:24 PM
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Default Horsepower Question

In 1969, were corvettes horepower ratings rearwheel ratings or flywheel ratings? Example, 427/390h.p. is this a rearwheel rating or a flywheel rating?
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Old Jun 17, 2006 | 10:35 PM
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Originally Posted by falken
In 1969, were corvettes horepower ratings rearwheel ratings or flywheel ratings? Example, 427/390h.p. is this a rearwheel rating or a flywheel rating?
I believe the latter is correct.
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Old Jun 17, 2006 | 10:39 PM
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Originally Posted by falken
In 1969, were corvettes horepower ratings rearwheel ratings or flywheel ratings? Example, 427/390h.p. is this a rearwheel rating or a flywheel rating?

flywheel with no accesories
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Old Jun 18, 2006 | 01:33 AM
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From: Foxfield CO 1970 Convertible
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Originally Posted by 70Donnybrooke
flywheel with no accesories


*All* car engines, even new ones, are rated at the flywheel. In about '71 or '72 they started making them put the accessories on for the ratings. The "at the rear wheel" ratings are aftermarket type of ratings to try to gauge power available to move the car.
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