ls1 knock/tick
TECH Senior Member
Joined: Jun 2016
Posts: 22,308
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From: Central Cal.
I can hear it when hot gases escape from my butt...
The motor however, I'd suspect a bent connecting rod. It's too fast to be top end. Exhaust ticks tend to be at half speed, like lifter ticks. Although, as CamaroSSTX said, I'd check externally for something rattling against the serpentine belt or a pulley.
The motor however, I'd suspect a bent connecting rod. It's too fast to be top end. Exhaust ticks tend to be at half speed, like lifter ticks. Although, as CamaroSSTX said, I'd check externally for something rattling against the serpentine belt or a pulley.
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