When Mopar designed the Purple cams, did they take advantage of the larger diameter lifters?
I've read on here that they are an out of date design. What makes them old? I have a 292-509 that was in the 360 I bought and plan on using it until I build a 408.
I've read on here that they are an out of date design. What makes them old? I have a 292-509 that was in the 360 I bought and plan on using it until I build a 408.
