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  1. S

    PTFE seal hardness testing

    Hello I need to hardness test a PTFE rotary seal to compare to the version we have received from a supplier. The issue is the PTFE seal is 1mm thick and I am struggling to find a hardness scale that can accurately depict the hardness of the OE compared to our production sample. Does anyone...
  2. S

    REAR MAIN SEAL LIPS

    Hey Everyone, I have this rear main seal that is leaking. We have noticed on the OEM sample that there is a fat lip at the end that seals on the crank shaft and we believe this is what prevents the oil leaking past. The production seal we recieved does NOT have this lip and it looks like the...
  3. S

    NEED HELP WITH DETERMINING WAHT STAINLESS STEEL FASTENER TO USE

    Hey Everyone, I am a new mechanical engineer. I am working on a redesigning an intake manifold and the PM wants to replace the factory class 8.8 intake manifold bolts with stainless steel. The upper intake and lower intake manifold are both plastic. The upper is bolted down to the lower intake...

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