1988 4x4 questions

Hi al,
I've just bought an 1988 4x4 b2600 and trying to find out wheather i i have a mazda engine or mistubishi and
any engine info . I have to do head gasket i suspect so any info would be helpful.
thanx rick

87-88's are Mitsubishi engines. Same motors as used in the Starion.

yup. it's a big POS