Help requested please with Cam TDC...CAMS are not marked.

[WhipE350]

Hi Eric - ya mine is the same and I marked it with a sharpie so when I finished my IMS I could manually turn the crank and make sure everything returned to normal, I was being totally anal. I was expecting to only lock the right rear (looking at the car from the front) so didn't think much of it. Good luck with the job, I enjoyed doing mine and never think about it at all.

[Jager]

Now that I think about it, I never pulled the cap on the top-side cam so I never looked for the slot there. I just pulled the cap off the bottom cam and used the small tool: