grannyknot Posted June 28, 2015 Share Posted June 28, 2015 My oil pump pick up tube is made of cast aluminum and I need to extend it to change the pick up point for an engine swap I'm doing. The pics are just a mock up for distance and configuration, I can use a combination of brazing and/or soldering and mechanical bracing to hold the pick up where I want it but my question is, Is there anything in hot oil that will attack copper, brazing or solder? The dissimilar metals solder I will be using is good up to 350* F. Thanks, Chris Quote Link to comment Share on other sites More sharing options...
johnc Posted June 28, 2015 Share Posted June 28, 2015 No issues Quote Link to comment Share on other sites More sharing options...
Six_Shooter Posted June 29, 2015 Share Posted June 29, 2015 (edited) While there are no issues with oil and copper, I'd try and find some aluminum tube to make that transition. IIRC there are some "metal Supermarkets around, I believe that's the name. I think there is one located in Cambridge that might have some aluminum tubing. Alternatively, you could get some aluminum block, drill intersecting holes and weld that in place, that might also help provide an easy method of adding bracing to the pickup. Edited June 29, 2015 by Six_Shooter Quote Link to comment Share on other sites More sharing options...
88dangerdan Posted June 29, 2015 Share Posted June 29, 2015 I would braze the joints over solder. And eliminate one joint by using either 2 street 45°s or 2 street 22.5°s if it still meets your angle you are trying to achieve. Quote Link to comment Share on other sites More sharing options...
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