Correct mapping for Camshafts

[CSH-HQ]

OK, spill it what's the deal here with the 6299??
Grumpy
>Hi,
>      I realize you say this is a 90 chev pu..but why does it have the 6299 
>in it????did it used to have a supercharger on it???? the 6299 wasn't used in 
>a PU until 92......but supercharger companies used to convert the early 7747 
>to a 6299 because it was a direct plug in and they didn't reverse the code of 
>the 7747 until later.....otherwise check your year......a 7747 will plug 
>right in.....but that big of a camshaft is gonna take quite a bit of work 
>especially with that slow processor....let me know if I can help.......
>-Carl Summers