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Old 12-24-2011, 06:17 PM   #1
GMC70c20
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Join Date: Feb 2003
Location: Iowa
Posts: 974
vacuum for map and brake booster

I am building a lq9 for my truck (well lq4 with l92's) I am going to run a edlebrock vic jr. intake wilson carb spacer and either a quickfuel race-q or a holley hp. I need vacuum for the map sensor and the brake booster but there's only one port on the intake and none in the carb. I thought about just using a t and using the same vacuum source for both but I wasnt sure if the brake booster would discharge air back into the intake screwing up the map signal. How did you guys run vacuum for a map sensor and brake booster?
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1970 c20 converted to c10 sleeper
1979 c20 the wood hauler
1991 honda civic daily driver

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