According to my book:I have a intake manfold GM casting # 340261 the date code is hard to read, can any one tell me what year this is,
or what it came from.....
According to my book:
CHEVROLET Small-Block V-8 ID GUIDE
(Motorbooks International POWERPRO SERIES)
On page 73:
1974-76...340261...350...4bbl...Cast Iron...Q-jet...(Body Appl.) A-B-F-X