Hi guys I haven’t posted on here in sometime . I hope this is in right area . I have 53 chevy pickup 235 6 cyl Carb rebuilt put it on hooked up fine And runs pretty good Problem is its idleing to fast Try to turn down and it dies out It has plastic spacer between carb And Manifold I sprayed wd 40 on all looking for vacum leak .all good except When I spray around plastic spacer Engine speeds. Up so I think. That’s problem Does not appear to be cracked just does it around base Can these go bad ? Maybe warp or something ? Do I need to just get new one and die they need gaskets and any kind of sealer . Any ideas on what y should do ?thanks in advance .
I am not familiar with that spacer but you’ve found your problem . Remove the carb and spacer. Find yourself a piece of glass and some fine sandpaper. Cover the glass with the sheet of sandpaper and sand the mating surfaces of the spacer and carb. Also find a good flat piece of wood and sand the manifold mating surface. After that get yourself some fuel resistant gasket material and make some gaskets.
It’s an insulator. try the sand paper method it you want to. im assuming it has a gasket for the manifold and carb side. That could possibly be the issue. I dont think mine has one.
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