Whopper Posted October 22, 2017 Share Posted October 22, 2017 Whats the size of the crank case breather port that connects to the pcv valve. Need to get a hose. THanks Link to comment Share on other sites More sharing options...
monkeyposeur Posted October 23, 2017 Share Posted October 23, 2017 The PCV valve outside diameter is 16mm. The outside diameter of the breather nipple on the head is 13 mm. Here are a few diagrams of the PCV hoses and vacuum lines: http://www.surrealmirage.com/vrg3/vacuum/ Link to comment Share on other sites More sharing options...
MilesA Posted October 23, 2017 Share Posted October 23, 2017 Emissions hose sometimes called evap hose is a good choice for these lines. The rubber material is made to resist oil and fuel. Better quality stuff has fiber reinforcement in the hose. Some auto parts stores sell it by the foot. 16mm ~= 5/8" 13mm ~= 1/2" Link to comment Share on other sites More sharing options...
Whopper Posted October 23, 2017 Author Share Posted October 23, 2017 The PCV valve outside diameter is 16mm. The outside diameter of the breather nipple on the head is 13 mm. Here are a few diagrams of the PCV hoses and vacuum lines: http://www.surrealmirage.com/vrg3/vacuum/ Dang I should have waited I broke the turbo stud while trying to remove the turbo so I could measure it. Link to comment Share on other sites More sharing options...
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