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Registered
Join Date: Jan 2001
Location: SW PDX
Posts: 507
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What's this part?
Here I am, happily installing the chain tensioner update when I notice this part... part #31 on this diagram http://www.pelicanparts.com/911/911_Parts/1974-75/1-4.JPG . What is it?
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08-03-2002, 04:59 PM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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Sure would help if you gave us a clue which engine you have???
On CIS cars, that is the Thermo-Time Switch for the Cold-Start circuit. Other cars just leave the plug in the chain cover in place.
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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08-03-2002, 05:07 PM
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Senior Member
Join Date: Jan 2001
Location: Left Coast, Canada
Posts: 4,572
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Temperature sensor.
(What do I win?)
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'81 SC Coupe "Blue Bomber" "Keep your eyes on the road, and your hands upon the wheel."- J.D.M. |
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08-03-2002, 05:08 PM
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Registered
Join Date: Jan 2001
Location: SW PDX
Posts: 507
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 Thanks! You guys are really FAST!Early_S_Man: Uh, sorry about that  . It's a 75 CIS that's being converted to carbs (after overhaul) and finding a home in my 914.Doug Zielke: A used '75 CIS setup?  Since I won't be using CIS, I guess I'll leave it off. BTW, the chain tensioners are insanely easy to install with the egine out of the car. |
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08-03-2002, 05:31 PM
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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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Trivia..on my CIS the part is a thermo- time sw.......Ron
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Ronin LB '77 911s 2.7 PMO E 8.5 SSI Monty MSD JPI w x6 |
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08-03-2002, 05:44 PM
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Registered
Join Date: Mar 2002
Location: Portland, OR
Posts: 124
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The thermo-time switch triggers the cold start injection valve (injects extra fuel into the intake rail ONLY while cranking and ONLY when cold). You won't need it on a carb conversion.
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08-03-2002, 06:02 PM
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