stupid question about heads
Thread Starter
Instructor
Joined: May 2005
Posts: 234
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From: sidney ohio
stupid question about heads
i need to know if my 86 coupe has cast iron or aluminum heads, i dont have the cars manual how can i check to find out the heads i have. I need this so i can get the correct spark plug.s
Melting Slicks
Joined: Oct 2001
Posts: 2,315
Likes: 110
From: Brandon Fl
It depends on if your car is an early 86 or a late 86. The easiest way to tell is the early 86's have perimeter bolt valve covers and are not aluminum. The later version is aluminum and have center bolt valve covers.
Elementary my dear Watson! 
