Quote:
Originally Posted by Big Block Bill
I believe the 3959180 is a GM factory stock, LS-7 mechanical lifter cam that was installed in all LS-7 XCH coded Crate engines back in the mid to late '70s
Bill
|
GM Performance book dated 1993
Originally installed by GM in a ZL-1 and an LS-7 over the counter Big Block XCH Crate Engine