Have 360 with 590 purple shaft need converter

[rcone4u]

I have a 1948 Plymouth P15 it has a 30 over 360 that has a 590 purple shaft cam. I am wanting to replace the stock converter what would be a good stall to use and size?

Thanks

 

[70aarcuda]

gearing?...what does it weight?

 

[forphorty]

you have the old 312 590 solid? That thing needs 4500 plus

 

[crazy 340]

hade the same cam and engine size in my duster

best converter I used was a 4200