Lightweight valves
05-17-2007, 07:00 PM
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Lightweight valves I have a GM replacement engine that came from a Z06. Is there any way to tell if the heads have the lightweight valves? I believe the car was originally an '01 and the engine was replaced in about '03. The valve springs are solid blue colored. I hope there is a way to tell without pulling it apart. Pushrod length maybe? Thanks.
05-17-2007, 09:42 PM
#2
Originally Posted by under pressure
I have a GM replacement engine that came from a Z06. Is there any way to tell if the heads have the lightweight valves? I believe the car was originally an '01 and the engine was replaced in about '03. The valve springs are solid blue colored. I hope there is a way to tell without pulling it apart. Pushrod length maybe? Thanks.