Spark plugs

[Fritzy]

What brand and number sparkplu

What brand and number sparkplug would be the best for 1993 454XL Crusader engines?

 

[bondo]

"Ayuh,....

AC Delco, MR43T.

"Ayuh,....

AC Delco, MR43T..."

 

[Studebaker]

What about 454 Crusaders in a

What about 454 Crusaders in a 1988 ChrisCraft Catalina 381? I've had 2 different opinions on the spark plug of choice from mechanics!

 

[bondo]

"Ayuh,.... Same Answer...."

"Ayuh,.... Same Answer...."

 

[silverton_34]

Ditto.....

Ditto.....