Update: Ran some errands today and it still revved up at the first traffic signal. My fixed vacuum leak didn’t change anything. I’m wondering if something from the transmission is affecting it. PO rebuilt engine and transmission. Also, no power brakes.

Last edited by DES57; 11/21/2019 3:21 AM.
1957 Chevy 3200
Daily Driver
PS, A/C, Tilt column, Rebuilt 350, Rebuilt TH350, Reupholstered Bench Seat, sound proof/insulated, LED headlights/taillights/backup lights/interior courtesy lights.
Follow in the DITY