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Jeff Chambers · 01-17-2002, 10:55 AM

A) For heater core return (supply would come directly off the water pump).
B) Best place for water temp sensor.
C) Either air charge temperature sensor, vacuum guage, or as a supply for your vacuum tree. This is the only place to draw manifold vacuum. Don't see how you could do air/fuel ratio monitoring since the mixture hasn't been burned yet.
D) Plug it. Don't take your water temp reading here because it will read quite a bit from the front port.

01-17-2002, 10:55 AM	#4
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	A) For heater core return (supply would come directly off the water pump). B) Best place for water temp sensor. C) Either air charge temperature sensor, vacuum guage, or as a supply for your vacuum tree. This is the only place to draw manifold vacuum. Don't see how you could do air/fuel ratio monitoring since the mixture hasn't been burned yet. D) Plug it. Don't take your water temp reading here because it will read quite a bit from the front port. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"