Thanks for all the replies.

No, it doesn't have a sight glass.

I pulled the expansion valve last night and could find no restriction there either. Have to wait until Monday to talk to the Hotrod Air tech again.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.