Skylaark67

I have a 67 Skylark that I have decided to put a rebuilt 340 4bbl in with an ST300 Switch Pitch behind it. My son and I found the engine and transmission derelict on the floor of a garage. The engine was rebuilt by a shop, my son and I rebuilt the tranny. We have gone through hell and back finding parts for this ST300 because of its rarity. We are set to install the pair but cannot find the bleeping dipstick. I have had this car since 1997 and it had been abused, so I know how hard finding parts can be. But I am now saying in all humility.. HELP