Aluminum- headed Chevys get a 3/4aquot; reach plug with threads all the way to the gasket area. Pre- 1970 iron heads ... The big Chevy is noted for aquot;eatingaquot; plugs. This is another ... Stock-heat-range plugs recommended in the service manual may be replaced with slightly colder ones when you modify the engine. But cold plugsanbsp;...
|Title||:||How to Hotrod Big-Block Chevys|
|Author||:||Bill Fisher, John Thawley|
|Publisher||:||Penguin - 1971|