Correct spark plug code for a 305 TBI
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Joined: Nov 2005
Posts: 47
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From: Fort Worth
Car: Firebird
Engine: 3.1 V6
Transmission: 700R4
Correct spark plug code for a 305 TBI
Hello, I've a 1988 TBI firebird vin code E
I don't know if I have to use the ac r43ts (for cast iron head) or ac fr5ls (for aluminium head).
I don't know if the head is aluminium or cast iron!
My car is perfectly original equipped
I don't know if I have to use the ac r43ts (for cast iron head) or ac fr5ls (for aluminium head).
I don't know if the head is aluminium or cast iron!
My car is perfectly original equipped
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