Alain from Normandy Posted July 5, 2019 Share Posted July 5, 2019 Hi there, for those who follow my adventure in Chrysler E65 (1929) renovation, a little present for you : actual stat of the Chrysler renovation picture... Furthermore another question again : I have a oil duct with a spring and it is connected to the crank shaft (see picture). My problem is I don't know how it works exactly and so how to adjust it? What is it used for ? And finally how do I adjust it in depth? Thanks in advance Alain Link to comment Share on other sites More sharing options...
c49er Posted July 5, 2019 Share Posted July 5, 2019 It's an oil pressure relief valve .. it dumps off excessive oil pressure.. say it limits the maximum pressure at 55lbs. Normally the threaded part of it stays in the block and only the "domed" portion comes off to adjust it... It really never needs to be adjusted to change the oil pressure. Link to comment Share on other sites More sharing options...
Narve N Posted July 7, 2019 Share Posted July 7, 2019 My S65 oil pressure relief valve was stuck and ruined two oil pressure-gauges before I figured out. They also sometimes have a very sloppy spring and is unable to build pressure and generally can be cleaned in an ultrasound bath. Otherwise, install and adjust to 45 lbs and do not worry any more. Link to comment Share on other sites More sharing options...
Sasha39 Posted July 10, 2019 Share Posted July 10, 2019 Alain, have a look at page 30 of the Owners manual that I sent you, it has the drawing of the valve in the engine and you'll see how it works. Link to comment Share on other sites More sharing options...
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