I do not know that of both of them. The one I have papers on ,the engine and it would say.
That would save me a great deal money at least to me to be able to get 87 octane .


~ BD.
"You won't find me in an old folks home" Pioneer Florida Cracker
1958 Apache Stepside
1958 Apache 1/2 ton Panel
1959 Apache 1/2 ton Panel