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The Comp Cams valve springs required an air compressor and a way to fill the cylinders with air. We used a leakdown gauge to monitor how much pressure we used. A valve spring compressor is also a needed tool.
1989 Pontiac Firebird Formula TPI Head Work - Rocking and Rolling

 The Comp Cams valve springs required an air compressor and a way to fill the cylinders with air. We used a leakdown gauge to monitor how much pressure we used. A valve spring compressor is also a needed tool.  View Related Article

 

 

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