General Category > Quadrajet Carb Talk and Tips

17085004

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Cliff Ruggles:
The caps over the mixtures screws are easy to remove.  I use a fine hacksaw blade and "notch" the bottom of the throttle body slightly on either side of them, then drive them out with a punch smacking them forward and breaking out the "notched" area at the same time.

At most I'd consider going one size larger on main jetting, for the stock 454.  This new fuel has less energy, and it helps to put more of it in there to keep the engine happy.  I'd leave the rest of the carb stock, other than upgrading it with one of our kits.....Cliff

429bbf:
main jets are .075 prim.rods 58s   sec.rods CN  hanger K idle tude .034    idle down hole .055 main air bleed (air horn ).051   upper air leed in body .069 lower is .060    idle mixture screw holes .060 bleed holes in base plate .075 4 barrel holes over flaps .051 hes going to remove the emission garbage . please tell me what to order  thanks dean

Cliff Ruggles:
The calibration is fine.  I would order our SR kit, and add a secondary cam/spring to it.  Also test the choke pull-off to make sure it holds vacuum, and the electric choke to make sure it's heating up....thanks....Cliff

429bbf:
cliff thanks for all the help. i called the shop and left a message. gave the carb no.my name asked for a sr kit and a choke pulloff . thanks again dean

429bbf:
one last dumb question are all secondary cam and springs the same? (E4ME----17085004  I didnt need the cam or spring on the elctronic carb . that car only has 19,000 miles and it was perfect. thanks again dean

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