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‘75 Eldorado AIR metal tubing manifold

Started by benji808, July 24, 2022, 01:05:44 PM

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benji808

July 24, 2022, 01:05:44 PM
That's what it's called in the shop manual. It's the metal tube that connects to the AIR pump via a one-way check valve, then bridges the cylinder heads.

There appears to be a small hole in mine. Likely not a big deal but curious if there a nice used or NOS one out there.

"Cadillac Kid" Greg Surfas 15364

#1
July 24, 2022, 09:37:22 PM
Benjamin
If all you have is a small hole, get it welded up. I doubt that there ever were NOS replacements, and unless yours is quite deformed, fixing the hole and repainting the tube should suffice for all but a show car.
Geg Surfas
Cadillac Kid-Greg Surfas
Director Modified Chapter CLC
CLC #15364
66 Coupe deVille (now gone to the UK)
72 Eldo Cpe  (now cruising the sands in Quatar)
73 Coupe deVille
75 Coupe deElegance
76 Coupe deVille
79 Coupe de ville with "Paris" (pick up) option and 472 motor
514 inch motor now in '73-

benji808

#2
July 24, 2022, 11:23:49 PM
Good advice!

V63

#3
August 12, 2022, 08:53:28 AM
When looking for replacement  ...  be advised cars with HEI (like yours) are different to accommodate the larger HEI distributor.

Big Fins

#4
August 13, 2022, 12:52:45 PM
I would get a set of 1976 crank and water pump pulleys and block the holes in the heads with plugs, therefore eliminating the AIR fiasco.

That's if you aren't after total correctness.
Current:
1976 Eldorado Convertible in Crystal Blue FireMist with white interior and top. (Misty Blue

Past and much missed:
1977 Brougham de Elegance
1976 Eldorado Convertible
1972 Fleetwood Brougham
1971 Sedan de Ville
1970 de Ville Convertible
1969 Fleetwood Brougham
1969 Sedan de Ville
1959 Sedan deVille

V63

#5
August 13, 2022, 02:29:16 PM
Quote from: Big Fins on August 13, 2022, 12:52:45 PMI would get a set of 1976 crank and water pump pulleys and block the holes in the heads with plugs, therefore eliminating the AIR fiasco.

That's if you aren't after total correctness.

Agreed,  because the air pump can be at issue anymore and it's failure causes the car to be non function as the water pump is dependent on it due to drive belt.
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