Thread: Dead Cylinder
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Old 04-19-2010, 06:18 PM
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Rick Parker Rick Parker is offline
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Join Date: May 2001
Location: California, Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
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Suggestion: Try this before you drop the cash for new ignition parts. On a cold engine, drain the fuel from the suspect carb. remove the idle and main jet holders. Spray some carb cleaner in the holes where the jets screw into. Then disassemble the jets and holders and spray THEM with carb cleaner, pay close attention to the small hole in the end of the idle jet. THEN when you reassemble the idle jet in its holder do not fully bottom the parts out when you insert one in the other. Then mark the taperd face of the idle jet with a felt marker or machinists dye, do the same with the tapered face of the main jet. When you screw them into the carb body the jets will first bottom out in the wells, marking the faces of the jets, pull them out and inspect the markings. They must seal in the bottom of the wells or fuel will not flow correctly. Sometimes over the winter some of the fuel can go bad and plug very small passageways. Check it out and report back.
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