The Record Return Run for car number 500 (Arnold - Hoddinott - Leggitt - Salkins) 1953 Studebaker in C/CBFA was not shown in the SCTA-BNI Daily Run - Long Course listing for Aug 14.
I was able to get the following times from the Ron & Jon show archives:
1/4 251.007
Mile 1 291.154
Mile 2 305.023
Mile 3 326.969 Wow !!!!!! (Stock Body 53 Stude)