1st 318 rebuild

hey Guys.
I have a 318 going into a 74 cj limo.just starting the rebuild and have a few options to choose from.
have 4 x 318 blocks
#4006730-318-16 1975 virgin block
#2536030-318-14 1978
#4006730-318-11 1975
#2536030-318-14 1969 have crank but was ceized and pretty rusty in bores
1x 360 block.
#3418496-1-360 19 73 no crank for this.
2x 318 cranks

2 sets of 273 heads # 2843675
360 heads # 3769973
360 heads # 4027596
340 heads # 3671587-9 from the numbers i have been able to find.
inlet manifold with cast # 3614038 ithink medium rise 2 barrel that i cant find any info on.
Any ideas witch combo would be best.was going to do 318 with 360 heads or the 340 heads?? but the more i read getting conflicting info. starting to think about the 360.
any advice appreciated.

great site to
What is a CJ limo ? I think the 360 would be the best bet .