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Does anyone have any experience with the new alloy (aluminum) water pump housing. I got mine in today from Rimmer Brothers (seems all the vendors in Britain now carry these) and it is quite a nifty piece. It is an exact duplicate of the original cast iron piece that is already on the car, but about 1/3 the weight. The only real issue that I can see about this little beauty is the spot where the three 5/16 short studs that hold the actual water pump on is about 1/4+" thick and is cut with SAE fine thread, just like the original. Now that would be fine if it were cast iron, like the original, but this doesn't seem like much to hold a big, heavy water pump turning at speed with a taught belt attached to it. Get the picture? I cut some new studs out of all-thread and stuck them in with thread sealer but am quite concerned that this might not hold. I could just see my water pump spinning off at 70mph. Am I being just an old worry wart or is this a possibility? I've written to several of the UK vendors and hope to catch a reply. Piman, any experience in this area? Hate to bolt everything up without an opinion. Thought of even putting in a thin all-metal locking backup nut from the inside but this might well interfere with the flow the the water spinning inside. Hmmmmm.
Bill
Bill