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Canadian Poncho Homepage -> Canadian Poncho -> For the Purist -> 1971 lemans Convertable USA ,ys400 engine
Post Info TOPIC: 1971 lemans Convertable USA ,ys400 engine
GPM400


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1971 lemans Convertable USA ,ys400 engine
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Hi guys or gals, I am restoring a 1971 lemans convertable with the GTO eduro nose job, it has a correct YS400 engine thanks to this website. The carb is a 7041264 quadrajet and the TCS vacuum controled advance system ( transmission controlled ) the TCS solinoid receives vacuum from the carb base as well as from a manifold source . Does anyone have a unmodified Pontiac or a friend with one. I need to know the routing of the vacuum lines as well as where any T junctions occur. Thanks. Greg

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Greg
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This site might help you with your vacuum line routing. It really helped me with my Firebird

http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0900c15280080fb7



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GPM400


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Posts: 42
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Thank you, that is a great site. I see now that 455 ho has a three line TCS switch while the 400 has a two line TCS switch. That solves my dilemma.

Have fun

Greg

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Greg
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