30 CC Pickup door jamb width

[blacknwhitedog]

I’m installing new subrails and need the measurement from the cowl to the rear door post directly above the subrail. I’m thinking it’s 27 3/4 but would like verification. Trying to make sure my doors aren’t too far from the jamb and latch. Thanks

 

[Phil Brown]

I've got 27 7/8 on mine

 

[john charlton]

27 7/8" on a 31 Budd cab .

John in windy wet weather Suffolk County England .

 

[blacknwhitedog]

Thank you both for the info...