Will apply also to A-body, B-body, and X-body with similar engines.
SD455 only used in Formula Firebird and Trans Am 1973-74.
RAIV only used Firebird Trans Am 1970 and GTO.
Hit or miss on them my experience 403 Olds. Still have one I used in the Gp years back.
It was a good one.
On the list to save rebuild again someday.
Mains are Windowed Yes.
Learned the Perfect Tune is everything for Longevity starts with the Fuel system layout.
Just terrible I think stock GM.
RACE CAR PLUMBING FOR THE STREET
Sensible power band without best parts used all True 100% USA.