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10-30-2004, 08:44 AM
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#4 |
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1969 Custom 30 wrecker
Join Date: Sep 2001
Location: Pottsville, Pa
Posts: 2,611
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Checked my 66 Impala w/327 that has a Qjet and that vac port is indeed used for the vacuum advance unit.
The item in the first pic on mine is the "gizmo" used for the fast idle. I believe this part may also stop the secondaries from opening if the choke is still on. (cold engine) Not 100% sure on that though. The transmission modulator line on goes to a block screwed into the intake in between the distributor and carb. My power brakes also connect there.
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Bob 63 Impala 283/PG/3.36 (under restoration) 66 Impala 327/PG/3.36 66 Chevelle SS 409/M22/3.55 69 Chevelle 307/PG/3.08 (future restoration) 69 C10 short stepside 454/TH350/3.73 69 Custom 30 tow truck 350/4 spd/4.10 (resto done, CRUISIN TIME!) 71 Cheyenne 20 fleetside 350/4 spd/4.10 71 Chevelle 6/PG/3.08 72 Chevelle 454/M21/4.10 |
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