spacecad3t: The judicious use of a pry bar did the trick. A lot of tension and hand-wiggling were required to separate them from the fuel rail. I packed them up and sent them to SouthBay Fuel Injectors for servicing.

Thank you for your advice.

I thought removing the fuel rail and injectors would be a simple task, but it has not been so far. This is a low-mileage car, so the parts in question are all original.

My first attempt was to remove the rail and injectors as an assembly after removing the fuel supply and return lines, the vacuum ...

Just saying "thank you" to you all seems less than appropriate, given that each of you took the time to share your thoughts, experiences, and wisdom to help resolve my problem. Believe me, it is very appreciated.

Happy New Year to you all!

So, what was the resolution?


It boiled down to a ...

I was able to find these refurbished manifolds with the expansion bellows at the 944 Store:

https://944store.com/products/944-turbo-ceramic-coated-exhaust-header-kit?_pos=1&_psq=944+turbo+ceramic+exhaust&_ss=e&_v=1.0


I wasn't aware of that -- looks like a great option. Welding on these ...

I was able to find these refurbished manifolds with the expansion bellows at the 944 Store:

https://944store.com/products/944-turbo ... s=e&_v=1.0

My 1&4 manifold failed at the point where the tube enters the flange. See photo below.

My research has shown that 951 111 131 06 manifolds are as plentiful as hen’s teeth, and highly valued if you do find one. It would seem that replacing the original with the 1988 version with the expansion ...

This is a belated "Thank you" reply to all who helped resolve the issue described in this post.

ReidMcT: Explanation of tension variability due to varying valve spring tension.

t36: Confirmation of Reid's and Tom's comments on varying belt tension.

barnwerks: Confirmation of insufficient belt ...

Tom, thank you very much for the information you provided.
My description of the belt "jump" referred to the reduction in tension on the top strand, resulting in slight but noticeable movement of the belt on the crank gear. The degree of tension increase and decrease while rotating the crank seems ...

Tim, thank you for the welcome and for the information on photos and videos. I will put it to good use.

I could give it a try. What specifically do you want to see?