Basically the only difference between Mopar Sam's motor and 318wr is that Sam will have more stroke and a different camshaft.
Having said that it's the other little goodies that will make the difference. Such as gear ratio and converter and so on.
Back to Cruella Deville
The curl of her lip the glare of her stare all innocent gearheads had better beware
She's like a spider waiting for the kill look out for Cruella de Vil