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Old 12-20-2007, 04:40 PM   #1
6772fan
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Join Date: Jan 2004
Location: East Texas
Posts: 380
Vacuum advance Question- 85 GMC

Got a question that I should know the answer to, but I cant seem to find it in the sea of vacuum lines.
The truck is an 85 GMC 1/2 ton SWB with the factory 305 and quadajet and all of the smog equipment in place. There is no vacuum hose connection to the distributor vacuum advance. All of the external ports on the carburetor are already taken.Where is the missing hose supposed to connect to on the carburetor??? Any ideas here? Thanks. Lane
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Lane

1979 Chevy SWB- (Second owner- Father in Law was first)

1979 Chevy Silverado SWB-Red/Red
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