Suggestions for new design Aluminum Mopar SB clean slate (kind of) cylinder heads

Professor Fate said

1990, V belt drive.
View attachment 1716080623
Tough to get a pic of the pump itself with all the accessories on the front of the motor, but in this pic you can clearly see the pump fan, which is standard rotation.
View attachment 1716080624
All the same part numbers as a '91.
The serpentine drive on the '92 and later Magnums:
View attachment 1716080625
Maybe you got a real late '91 that may have gotten an early Magnum motor, but the LAs were V belt, standard rotation.

Click to expand...

‘91 Dakota’s with the 5.2 got a serpentine belt drive. I’ve got one and have had to replace the tensioner twice now and they don’t make make a new one since it was a one year only deal. Different than the ‘92 and up Magnum setup. Real pain in the butt. So I know for a fact that they had a different setup than what you are showing.

D100’s, Dakota’s with the V6, vans, etc all got what you are showing. Dakota’s did not.