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Old 03-02-2013, 06:40 PM
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edelbrock 1406 vacuumn ports

hey my edelbrock 1406 carb i was wondering where do the tranny,brakebooster,distributor vacuum,intake modulator go for vacuum ports on carberetor,and intake manifold

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Old 03-03-2013, 07:10 AM
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carb ports

if memory serves me.. lg on front goes to PCV, small front right goes to dist., lg on rear goes to tranny.
now this is for a chebby as the small front right has vac till u hit the gas and it'll drop.. the left side get vac when u hit the gas but zero at idle.
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Old 03-03-2013, 08:48 AM
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Large port in front middle for pcv valve. Passenger side front is ported vac for dist. drivers side is full vac for dist. Large port in rear is for power brake boost and the tranny should go to manifold vacuum. Hope this helps
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Old 03-03-2013, 08:50 AM
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Best look at the owner's manual for these carbs for the port designations:

Irelands child
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