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Old 02-23-09, 09:32 AM
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submariner409 submariner409 is offline
If it won't run, chrome it.....
Cadillac(s): 2002 Cadillac F55 STS/53000mi., 2004 Ford F150 Super cab 4x4
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Join Date: Feb 2006
Location: Maryland upper Eastern Shore
Age: 69
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Re: rebuilding 72 carb: is this the egr? (and advice)

The last pic, blue and yellow ----bowl vents........ just as they are. Red circle is a ported vacuum tap --- the cap indicates that it may not have been used in this application. The larger tube, in the base, with what looks like white tape on it, is the PCV hose hookup. The hose with screw in it is probably part of a choke or accelerator return modulator hookup (or maybe part of the secondary air valve lockout mechanism).

I think the black plastic piece is a splash/surge suppressor in the primary bowl - prevents fuel from sloshing side to side. The piston, rods, and hairpin clip in the black plastic piece cutout are the primary metering rods - careful - don't lose or bend anything - that piston should move up and down freely.

For the larger parts, carb cleaner and a toothbrush. Shoot carb cleaner through all ports and passages.

Call Frank Linster or Joe at Automotive Rebuilders in Bensalem, PA and see what a rebuilt carb would cost. 215 639 6511