Originally Posted By 67mprfan
Is there any disadvantages to using a 4.150 crank or are you just looking for big cubes.


The only disadvantage if you can call it that is all the 4.15 cranks I'm aware of use the stock Mopar rod journal size instead of the 2.2 BBC size.

The stock journal size won't clear the bore at 4.15 but the 4.25 will with the 2.2.

Kevin