you don't need to modify the Hankin VBS or the Gotlieb System 1 to change the coin from 3 to 5
Both Gotlieb system 1 and Hankin vbs file call the VPMkeys.vbs for coin assignments
Hankin and Gotlieb system 1 (gts1.vbs)
line 10
ExecuteGlobal fso.OpenTextFile("VPMKeys.vbs", 1).ReadAll : If Err Then MsgBox "Can't open ""vpmkeys.vbs""" : Exit Sub
Open the VPMKeys.VBS file and change lines 23 to 26 to set Coin 1 = 5 Coin 2 = 6 for all your tables
keyInsertCoin1 = 6 '(5) Insert coin in slot 1
keyInsertCoin2 = 7 '(6) Insert coin in slot 2
keyInsertCoin3 = 6 '(5) Insert coin in slot 3
keyInsertCoin4 = 7 '(6) Insert coin in slot 4
or
Coin 1 = 5 Coin 2 = 5 for all your tables
keyInsertCoin1 = 6 '(5) Insert coin in slot 1
keyInsertCoin2 = 6 '(5) Insert coin in slot 2
keyInsertCoin3 = 6 '(5) Insert coin in slot 3
keyInsertCoin4 = 6 '(5) Insert coin in slot 4