I pulled a newer carb apart to try and steal that spring and pump assembly and the spring and the assembly came out easily when I checked the one in my car that newer style is too small and my spring seemed strong but also seemed like it was set in place I didnt want to yank or screw it up by pulling too hard
My experience has been the rubber cup swells and causes binding. I have had this happen a couple times to me. I have changed the rubber cup and that fixes it.
My experience has been the rubber cup swells and causes binding. I have had this happen a couple times to me. I have changed the rubber cup and that fixes it.
I've seen the same. Cup dries out, hardens or swells.
Officially, Shell and Esso do not have ethanol in their premium gas; But they do have a few stations that have it nation wide - I think Shell has one station in northern Alberta that has it. I generally stick to Shell and Esso for just this reason - and when filling at a "new" station, I look before pumping, because it's supposed to be displayed.
Petro-Can has it in all of their gas... or at least I have been lead to believe that they do not have a fuel type that is purported to be ethanol-free...
IIRC there are probably three different styles of Quadrajet accelerator pumps; I have personally had these in had which had wear that would cause binding even outside of the carburetor. Best to buy a kit for that precise application number, just to pirate the accelerator pump out of it. I believe NAPA has these kits for a reasonable price.
-- Edited by unruhjonny on Thursday 20th of August 2020 03:47:59 PM
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1970 Formula 400 Carousel Red on black (std) interior "no drivetrain option" car (same base drivetrain as GTO) 1:411 1970 Firebird Formulas originally sold in Canada