I CHANGED THE VACUM ADVANCE ON THE DISTRIBUTOR

1979 FORD F-150
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JUNIOR
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THE INSIDE OF THE DISTTRIBUTOR IS GOOD
Apr 22, 2012 at 2:49 PM
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JUNIOR
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I WAS DRIVEING ALONG AND LET OFF THE GAS TO TURN AND MASSHED THE GAS AND IT DOESENT HAVE ANY POWER. I HAVE CHANGED FUEL FILTER,PLUGS,ROTOR,CAP CHECKED TIMEING,CHANGED THE VACUM ADVANCE ON THE DISTRIBATOR. IDELS GOOD, BUT WHEN I DRIVE IT HAS NO POWER. DO YOU HAVE ANY IDEAS.
Apr 23, 2012 at 12:51 AM
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JACOBANDNICKOLAS
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Does it still have the catalytic converter on it?
Apr 23, 2012 at 1:56 AM
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JUNIOR
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yes it still has the catalytic converter on it. how would i check it?
Apr 23, 2012 at 2:23 PM
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CJ MEDEVAC
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THE BEST THING TO DO IS SHOP AROUND FOR A COMPETENT AND REASONABLE MUFFLER SHOP ON THE PHONE (AS FAR AS HOW MUCH TO REPLACE THE CAT)

THEN SEE IF YOU CAN "LIMP" IT DOWN THERE AND HAVE THEM CHECK IT OUT TO SEE IF IT IS DEFECTIVE.........THE PHONE THING WILL AID IN YOU NOT LIMPING IT ALL OVER THE WORLD---IT WILL BE IN THE RIGHT PLACE SHOULD IT NEED REPLACING!

IF THIS IS NOT THE CASE

I WILL SORTA GUIDE YOU THRU CHECKING YOUR TIMING AND INSURING THE MECHANICAL AND VACUUM ADVANCES ARE WORKING CORRECTLY

YOU WILL NEED A VARIETY OF SCREWDRIVERS---A PORTABLE DWELL/TACH METER---A REGULAR, PLAIN JANE TIMING LIGHT WITHOUT THE BELLS AND WHISTLES (IF YOU HAVE AN ADJUSTABLE ONE, IT WILL BE SET TO "ZERO" AND/OR IT WILL NEED TO "ACT" LIKE A TRADITIONAL TIMING LIGHT [SEE IT'S INSTRUCTION MANUAL])

WITHOUT THESE TOOLS, YOU ARE JUST WHIZZING AGAINST THE WIND!...WE CAN'T JUST "WING" SOME OF THIS STUFF, IT MUST BE ACCURATE.

A REPAIR MANUAL SHOULD HAVE BEEN THE 1ST TOOL THAT YOU BOUGHT FOR THIS RIG...SEE MY LINK

https://www.2carpros.com/questions/2007-ford-taurus-tune-up

WE REALLY NEED ACCURATE RESULTS OF YOUR TESTS---NO SENSE IN CHASING OUR TAIL FOR A WEEK AND THEN FINDING OUT IT WAS SOMETHING WE THOUGHT WAS ELIMINATED FROM THE EQUATION

SOME OF US WILL STICK WITH YOU FOR A LONG TIME TO AID YOU--WE ALSO GET FRUSTRATED WHEN THE "SYSTEMATIC ELIMINATION WAY" TURNS INTO JUMPING ALL OVER THE PLACE WITH WHAT YOUR BUDDIES ARE MONKEYING WITH (SOMETIMES COMPOUNDING THE PROBLEM)......MY FAVORITE FORUMS HERE ARE THE JEEP CJs, IN THERE YOU WILL SEE THE EXTENT I TRY TO HELP

WE DO HAVE SOME MORE TRICKS UP OUR SLEEVE, AND PICS THAT COULD BE HELPFUL

YOUR TURN.....I DID ANSWER YOUR OTHER DUPLICATE QUESTION, YOU DID NOT RESPOND....SO LET'S JUST STAY HERE ON THIS POST, YOU GOT 2 CAPABLE PERSONNEL WITH YOU NOW...AND OTHERS STILL MAY JUMP IN TO ASSIST

THE MEDIC



AIN'T THAT THE PERTTY-EST JEEP YOU EVER DID SEE? (J&N keep them comments to yerself!)
Apr 23, 2012 at 4:59 PM
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JUNIOR
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OK I TOOK OFF THE CONVERTER. I REPLACED THE ELCTRONIC MODULE. HAVE ANY MORE IDEAS?
Apr 23, 2012 at 5:16 PM
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CJ MEDEVAC
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NOT SURE ABOUT YOUR RIG---SOME FORDS HAVE SEVERAL "CATS", SOME ARE "FAT" EXHAUST PIPES CLOSE TO THE ENGINE....LETS NOT OVERLOOK ANY

THE MEDIC
Apr 23, 2012 at 5:28 PM
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JUNIOR
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IT ONLY HAS ONE . I GOT UNDER AND TOOKOFF THE EXAHST AN TOOKOFF THE CAT AN PUT THE MUFLER ON. AN IT STILL DOES NOT HAVE POWER DRIVEING
Apr 23, 2012 at 5:34 PM
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RASMATAZ
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Make sure the valve and ignition timing is correct-also check the coil's primary and secondary winding resistances, also the accelerator pump and power valve of the carbuerator
Apr 23, 2012 at 6:20 PM
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JUNIOR
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ok i checked the timeing an it is on 8BTDC like my book shows. so i went an got a carb kit to redo the carb an i let you know. I WANT TO TELL YOU THANK YOU FOR HELPING ME FIND MY PROBLUM!!!!!!
Apr 23, 2012 at 8:14 PM
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JUNIOR
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OK I REALY DONT KNOW WHAT TO DO. I HAVE CHECK THE TIMEING IS GOOD. I HAVE CHANGED THE VACUM ADVANCE ON THE DIST. I HAVE CHANGED THE ELECTRIC MODUEL. I HAVE TAKEN OFF THE CAT CONVERTER. I HAVE REDID THE CARB WITH A KIT AN ALL. IT IDEALS GOOD BUT DRIVEING IT DOESNT HAVE POWER. DO YOU HAVE ANY MORE IDEAS WHAT MIGHT BE PROBLUM?
Apr 24, 2012 at 1:20 AM
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CJ MEDEVAC
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RAZ CONTINUE ON WITH YOUR DIRECTION

I MIGHT HECKLE HERE AND THERE.....AS YOU KNOW I DO

SUCH AS...........

WE STILL DO NOT KNOW YOUR ENGINE SIZE OR TRANSMISSION TYPE????

HAVE YOU/ DO YOU KNOW HOW TO CHECK FOR VACUUM LEAKS?

HOW DOES IT RUN AT IDLE?

WHAT IS IDLE SPEED?

WAS THE VACUUM ADVANCE HOSE ON THE DISTRIBUTOR REMOVED AND PLUGGED WHILE YOU TIMED?

WAS IT AT PROPER IDLE SPEED WHILE TIMING AND ALSO WHEN YOU WERE DONE?

WHEN YOU GOT IT ON "8" AND THE CLAMP TIGHT---DID YOU WATCH THE TIMING LIGHT TO INSURE THE MARK ADVANCED FURTHER WHILE THROTTLING UP? (INSURING THE MECHANICAL ADVANCE WAS WORKING)

DID YOU PUT FULL VACUUM ON THE DISTRIBUTOR (AS A TEST ONLY) TO INSURE THE VACUUM ADVANCE WORKED---WHILE WATCHING THE TIMING LIGHT?

ARE YOUR SURE YOU HAVE THE CORRECT COIL? (INTERNAL RESISTOR OR USES AN EXTERNAL RESISTOR)

HAVE YOU TAKEN EACH PLUG WIRE IN YOUR HAND AND INSURED IT WAS IN THE CORRECT SEQUENCE?....SOMETIMES A BUDDY CHECKING BEHIND YOU COUNTERS TUNNEL VISION

OK! I BUTT OUT NOW---THESE ARE THINGS SOME PEOPLE OVERLOOK, AND STUFF DON'T WORK OUT/ MAKE SENSE AS DIAGNOSING CONTINUES

ALL YOURS AGAIN RAZ!!!!!!

THE MEDIC
Apr 24, 2012 at 1:35 AM
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JUNIOR
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IM WORKING ON A 1979 FORD F150 400ENGINE, C6 TRANS. IWAS DRIVEING DOWN THE ROAD GOOD LET OFF THE GAS TO MAKE A TURN MASHED THEGAS TO GO IT DOES NOT HAVE POWER.IT WILL IDEL SMOOTH. WHEN I DRIVE IT NO POWER. TIMEING IS GOO WITH LITE AN IT DOES ADVANCE IN LITE. I HAVE CHANGED THE MODULE ,REDID CARB, TOOKOFF CAT CONVERTER,CHECK FUEL PUMP,PUT PLUGS,ROTOR,CAP. I JUST DONT KNOW WHAT ELSE TO DO. WILL THE COIL BREAK DOWN AT HIGH RPMS? IT HAS A SMALL ELECTRIC THING IN THE DISTRB AT THE STAR WHEEL WOULD THAT BREAK DOWN AT HIGH RPMS?
Apr 24, 2012 at 3:39 PM
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RASMATAZ
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Test the pick-up coil and the coil and get back with the readings
Apr 24, 2012 at 3:53 PM
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JUNIOR
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I DONT KNOW HOW TO CHECK THE COILS. CAN YOU TELL ME HOW?
Apr 24, 2012 at 4:17 PM
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MIKE H R
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My two cents, disconnect the vacuum line and hold your finger over the end. slowely increase the speed of the engine. If you feel a vacuum on your finger Ok, With the engine running at idle sometimes it is hard to tel if there is a miss. Short out one plug at a time and listen for any change in the sound of the engine. A quick way of telling if a converter is going bad is when it is cold tap on the bottom side and listen if there is anything rattling inside.
Apr 27, 2012 at 2:05 PM