07-30-2019, 10:52 AM
|
|
CC Member
|
|
|
Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
|
|
Not Ranked
You can tell by looking at the camshaft if it's iron or billet. If you have the cam card you can also tell by the serial number in most cases.
For instance, in Comp Cams lingo, a -9 or a -11 on the end of the cam part number indicates a steel core.
|