Difference in injectors?

Hi everyone.

Did some searching yesterday but didn't find what
I was looking for.


I have a 84 td and 3 injector bodies where leaking
(where they are screwed together).
When I removed them they where reman. units
and said 115bar.
I have a 83 td parts car from which I took the injectors.
But these say 135bar.

Which ones are the correct ones for the 917 turbo diesel?
115bar or 135bar?
Can I intermix these and what problems might I encounter?

Thanks for the info.

Louis.