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engine knocks under load

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Old

Nov 30, 2010 | 10:59 PM

#1

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Junior Member

Joined: Oct 2005

Posts: 5

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From: corpus christi tx

Car: firebird formula 350

Engine: 350 tpi

Transmission: auto

engine knocks under load

hi all i have a tpi 5.7 that starts and runs just fine started having problem with low power and knocking under load or hard acceleration. rock solid motor, replaced rotor, cap, wires, plugs, running premium fuel. idles smooth. timing advance is what im going to check this weekend. any suggestions, thanks

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