Thanks for info Otto! I'll try as it is; and if it gets too hot there are lots of shut off/by-pass valves available; manual, cable, vacuum, electric.. Add it to the list!
Geoff
1955 2nd Series 3600 235 cid, 4 sp. - Current 1979 Chevy K10 350 cid 4 sp -Sold 1955 2nd Series Wide Window 283 cid 3 sp - Totaled