1983 Jeep Cj7 Weber Carb Take Off Thru Gears Seems Run Starts Sputtering

1983 JEEP CJ7
36,000 MILES
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i have a weber carb, when i take off thru the gears it seems to run ok but starts sputtering and dies! when i am at cruising speed which can be 35mph or 55mph i have the 4.2L motor any suggestions?
Nov 29, 2012 at 1:15 AM
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CJ MEDEVAC
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LOTS!

LET'S HEAR ABOUT WHAT STILL HERE AND NOT STILL THERE!

PICS OF YOUR ENGINE WITH THE BREATHER REMOVED MIGHT SAY A LOT WITH OUT SAYIN' ANYTHING!

I MYSELF FOUND THAT "TRULY" TUNING A WEBER "PERFECTLY" IS AN ART FORM

I GAVE UP AND GOT A HOLLEY------NOW THAT I LEARNED SOME MORE----I THINK I COULD DO BETTER WITH THE WEBER, IF I STILL HAD IT!

"RIGHT OUTTA THE BOX"---PROBABLY AIN'T GONNA DO GOOD

THESE FOLKS WHO SAY THEY CAN TUNE/ JET IT---THE "SPEED GUYS"----USUALLY KNOW ENOUGH TO MAKE IT RUN.........I SEARCHED A LONG TIME AROUND HERE FOR A "WEBER KNOWLEDGEABLE GUY"

..................AND NEVER FOUND HIM!

READING WAS THE BEST TEACHER---AND STUFF I'VE LEARNED SINCE

I HAVE TO RUN AND ERRAND FOR 30-45 MINUTES-----I WILL CONTINUE WHEN I ET BACK

I MAY BE ABLE TO MAKE THINGS BETTER---PRESENTLY HAVE A LOCAL GUY WITH A DGEV WEBER WE ARE ABOUT TO PUT STUFF I LEARNED IN USE ON HIS

BACK IN A BIT!

THE MEDIC
Nov 29, 2012 at 4:38 AM
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CJ MEDEVAC
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I'M BACK

JUST WANNA SHOW YOU HOW A.NAL I WAS WITH THIS WEBER

I REALLY WANNA SORTA QUALIFY MYSELF AS "TRYING HARDER THAN MOST ANYBODY"

I DIDN'T JUST GIVE UP!

WEBER ADVERTISEMENTS PROMISED A 20% INCREASE IN MPG----I WAS ALREADY ON THAT QUEST FOR HIGHER MPGs TRYING EVERY "GIMMICK" I COULD FIND.....LIKE THE OPPOSING MAGNETS ON THE FUEL LINE (THEN MY VERSION, "ATTRACTING MAGNETS ON THE FUEL LINE"), THE OLE TORNADO, ADDITIVES, TIMING CHANGES, THE LIST GOES ON

YOU KNOW, I STARTED OUT WITH NOTHING.......I STILL HAVE MOST OF IT LEFT!

THE OLE WEBER WAS NOT JUST MONEY IN MY WALLET, I HAD TO SAVE FOR IT----I WAS EXCITED WHEN I GOT IT

MY CARTER BBDs WERE GIVING ME MOSTLY 14.5-15.5 MPG, WITH AN OCCASIONAL 16-16.5 MPG

WORK WAS ABOUT 40 MILES AWAY, I WOULD NEVER EVEN CONSIDER DRIVING ANY OTHER VEHICLE, AND MY 15 GALLON TANK FORCED ME TO REFUEL, USUALLY, EVERY OTHER DAY ( I KEEP A RESERVE GERRY CAN ON THE BACK)----LATER, I INVESTED IN A 21 GALLON POLYETHYLENE TANK......ONE OF THE BEST MOVES I EVER MADE!

I'VE HAD 5 CJ 5s IN THE PAST AND NOW HAVE A '77 CJ 5 AND A 1946 WILLYS ALSO---STARTED DRIVING ON THE ROAD IN '81........NEVER CONSIDERED ANY OTHER VEHICLE AS A PRIMARY DRIVER---ANYBODY THAT KNOWS ME CONSIDERS MY JEEPS AND I AS "ONE"

I KNOW THE CJ WELL!

BUT THAT DANGED WEBER---I READ SO MANY SITES--TALKED TO SO MANY PEOPLE---TALKED TO THE PEOPLE SELLING ME PARTS---TALKED TO THE LOCAL RACING GUYS---BOUGHT AND READ BOOKS

FOR OVER A YEAR---I MADE JET CHANGES (AND OTHER CHANGES) TO THE CARB

I KEPT REAL ACCURATE RECORDS OF WHAT I DID (LIKE 11 PAGES, FRONT AND BACK) (HERE'S SEVERAL, SEE PIC 1)---I KEPT UP WITH MPG (EVERY OTHER DAY)---I'D EVEN DRIVE OUT A TANK, JUST TO SEE IF I STRUCK GOLD WITH A PROMISING COMBINATION---I KEPT UP WITH ANY AND EVERY THING I DID TO THE JEEP, WHILE I WAS AT IT......JUST SHORT OF THE WEATHER EACH DAY

I PERFORMED PLUG CUTS SO OFTEN, I WAS SCARED I'D STRIP OUT #1, SO I STAGGERED IT DOWN THE LINE.

A PLUG CUT IS WHEN YOU DRIVE AT "A SPEED", FOR LIKE 10 MINUTES OR SO (I DID,ANYWAY) CUT THE KEY OFF---PUSH THE CLUTCH IN---COAST TO THE SIDE OF THE ROAD---"PULL A PLUG" EXAMINE IT FOR BEING "TOO RICH"--"TOO LEAN"--OR A GOOD BURN IN-BETWEEN

THE KICKER HERE IS "IN-BETWEEN" SORTA-KINDA LOOKS ALL THE SAME (AT LEAST TO ME). THIS IS WHERE ONE MUST SELECT THE THE BEST JET----THERE ARE ALSO "AIR BLEEDS" WHICH IN COMBINATION WITH A JET AND EMULSION TUBES, TURNS THE AIR/FUEL MIX INTO, WELL, BASICALLY A "FOG", FOR LACK OF A BETTER TERM-----ALL OF THIS IS A COMPLICATED BREW

PICS 2 AND 3 ARE PICS OF "GOODIES" I STILL HAVE, AFTER GETTING RID OF THE CARB. BY THE WAY, I HAD THAT TOP OFF SO MANY TIMES, I STRIPPED 2 OF THE SCREWS-----JUST THESE GOODIES ALONE, COST AS MUCH AS THE DARN CARB

THEN THERE'S THE BOOKS---HERE'S A PIC OF ALL I HAVE LEFT---MINUS THE CARB---MINUS A PACK OF PAPER OF CRAP FROM THE INTERNET (PIC 4)

NOW THE OBJECT OF THE GAME FOR ME WAS MEGA MPGs-------I WAS NOT GETTING ANY BETTER THAN MY BBD---AND I WAS PULLING MY HAIR OUT---I HAD JUST AS MUCH TIME FOOLING WITH THE WEBER AS I HAD WORKING AS A PLUMBER!

THE WHOLE KEY TO MPGs IS GETTING AS CLOSE TO A 14.7 TO 1 AIR/FUEL MIX, AS POSSIBLE "MECHANICALLY" SETTING UP THE CARB

A NEW CAR HAS A COMPUTER THAT CAN KEEP IT ALMOST ON THE MONEY--ALL OF THE TIME

WITH THE CARB, IT'S GETTING JUST THE RIGHT PARTS WORKING IN UNISON, TO MAKE A CARB DO THE BEST IT CAN.....USUALLY "SET" TO WHAT THE VEHICLE DOES THE MOST (HIGHWAY CONSTANT SPEED---RACING---POWER) USUALLY YOU DON'T GET IT ALL IN ONE PACKAGE

NOW THAT I HAVE THE HOLLEY AND FOUND OUT SOME REALLY WELL EXPLAINED STUFF, EVEN A TOUCH OF THE MODERN CAR----I GET 18 MPG!!!

NOT EXACTLY WHAT I WAS GRABBING AT----BUT IT'S 3 MPGs BETTER THAN THE BBD!!!!

I SHOULD BE HAPPY-----I WANT MORE!

IF YOU HAVE THE WEBER 32/36 "PROGRESSIVE" CARB------ONE MUST 1ST GET THE PRIMARY BARREL TO PERFECTION----BEFORE YOU CAN EVEN THINK ABOUT SCREWIN' WITH THE SECONDARY------THE SECOND BARREL MUST "COMPLIMENT" THE 1ST ONE IN "MIXTURE", AS IT OPENS

YOU WOULD TRIP OUT , IF YOU SAW HOW MANY TIMES, I FLOORED IT, AND IT FELL FLAT ON IT'S FACE AS I ATTEMPTED TO JET IT RIGHT

LOOKING BACK............... IF I HAD THE "TECHNOLOGY" I USED ON MY HOLLEY, I COULD PROBABLY MAKE THE WEBER WORK A WHOLE LOT BETTER

ARE YOU BORED NOW?

WANNA HEAR MORE?

THE WEBER BOOKS ARE INFORMATIVE---THE HAYNES EXPLAINED A LOT---THE DGEV SECTION WAS NOT THAT GREAT---BUT LOOKING AT HOW THEIR "FAVORITES" OR MORE POPULAR CARBS, I WAS ABLE TO LEARN MORE ABOUT HOW THE AIR/ FUEL MIX COULD BE "MIXED" USING DIFFERENT PIECES, FOR DIFFERENT (I GUESS "DURATION")---SPEEDS--RPMs---ETC

IF YOU ARE GONNA BE A WEBER GUY--BEST GET 'EM AND START READING!---IT'S REAL SCIENTIFIC----AND BORING----YOU WILL NEED THIS KNOWLEDGE (AT LEAST HOWs AND WHYs) FOR 2 REASONS----ONE YOU'LL BE WELL ON YOUR WAY, WHEN IT ALL "CLICKS TOGETHER" IN YOUR HEAD!------YOU MUST BE KNOWLEDGEABLE ENOUGH TO BE ABLE TO "DELETE" MIS-INFORMATION THAT WANNA-BEs FEED YOU! -----DOING THIS "RIGHT" WILL BE A TASK---JUST HAVING IT RUNNING, WAS NOT ACCEPTABLE TO ME

I KNOW I'M NOT THE AUTHORITY BY NO MEANS---I CAN GIVE YOU SOME OF THE "SUPERB" INFO I HAVE FINALLY STUMBLED ACROSS THAT WILL DEFINITELY AID IN TUNING A "PERFORMANCE TYPE" CARB

ARE YOU "IN" OR "OUT"

THE MEDIC



Nov 29, 2012 at 7:16 AM
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