General Category > Quadrajet Carb Talk and Tips

Edelbrocl 1910

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kelley555:
Cliff,I assume all the late model carbs have this trough (1".040 X .140), on top of the tall tower that extends down to the main body well. The trough you spoke of filling with epoxy is between the primary choke flap top housing & where the smr hanger enters the main body with the smr?I noticed on my  oem 1972 Q-jet didn't have this trough/slosh tower casted & my other 2 late model 1 ton carbs have it. One of the late model carbs has some kind of anti slosh shield that bolts to the 2 bolt holes in the area  & the shield extends upwards to prevent gas from sloshing over to the secondary's.Just a guess,engineer's must have known they had some sloshing problems with ruff terrain vehicles.Thanks for writing such a great book that gives you enough info to "BUILD A Q-JET CARB" with right mods & receipe's, so us rookie's don't hack the carbs up & make them junkers.Without heat,this project couldn't have been done,I used the old heat gun due to not being as steady as I once was. Along with a few common sense tricks,thanks for input for the carb project.They'll be "No" Edelbrock tag installed back on this carb.They'll not get the credit for a turning this Quadrajunk to a Sleeper/Monster/Granny 72 Chevelle with a lo-po 265ci.The carb has way too many mods. different from the Edelbrock 1910.Later Leeman

Cliff Ruggles:
For most applications the "trough" isn't an issue.  For some cars that are drag raced and launch really hard, fuel can slosh out that vent and cause a stumble.  We fill in that trough for drag racing applications, and all off road applications as well.....Cliff

kelley555:
Cliff,can I drill & tap 2 small screws,1 on each side of  the trough,in the wider boss area for a future block-off plate? In case I have a problem,I'll make a plate that will block off the trough & never even notice the block off plate.The carb will look sorta Oem. Any passages below or is it clear? If so, how deep can I drill & tap?Later Kelley

Cliff Ruggles:
I just push some Marine Tex into the trough with my thumb, takes about 3 seconds to make the repair, then 24 hours to let it dry.  I guess a plate and screws would be OK, provided they don't come loose and to thru the engine!.....Cliff

kelley555:
Ok,I'm trying the resizing program James suggested for the pictures were too big. I'll will send a few pics I took of my engine being assembled. Kelley

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