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Stock hp of 146? What makes this decrease with age?

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Old Apr 15, 2002 | 09:35 AM
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LITESPEED
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From: Waynesboro,Va
Stock hp of 146? What makes this decrease with age?
What happens in a car to make this go down and not produce the original factory horsepower? Exhaust? Carbon? Or alot of little things?

Please opine!
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Old Apr 15, 2002 | 09:38 AM
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lower engine compression, clogged cats, stuck six ports, vacuum leaks, bad tps. those are all common problems that will reduce power
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Old Apr 15, 2002 | 09:39 AM
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From: lilburn GA
i thought that was at the fly wheel....so if you a measuring at the rw then it would be less...
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