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			If it is a red/black and purple wire it is for the tank venting valve or evap valve depending on what you want to call it.
 Also, if I were you i'd seriously reconsider using the early 3-point motor mount. There is a reason Porsche changed the design when the motors go larger.  If you want to rebuild one I have a couple 4-point mounts kicking around I'll be happy to send you one for the cost of shipping.
 
 -Todd
 
				__________________Current Cars:
 1989 911 Targa
 1984 944 Original Owner
 1971 911T
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