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08-31-2002, 12:21 AM
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#1 |
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Registered User
Join Date: Jan 2000
Location: Petersburg, Virginia
Posts: 178
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Problem Help
250 ENGINE idles okay, but put it in gear and it shakes and misses...........plugs, cap, wires and fuel filters have been changed too............. Funny thing is it will bogg down on take off be once it is moving not to bad............... Also, it seemed to run worse when this stuff was changed.
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71 GMC Stepside 250/350 Turbo better known as "Fred Sanford 77 240 Mercedes Benz 92 300E Mercedes Benz 70 Firebird 400 85 600 Ninja |
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08-31-2002, 12:37 AM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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You checked the timing, fuel filter and air filter?
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08-31-2002, 01:13 AM
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#3 |
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72 Cheyenne
Join Date: Oct 2001
Location: San Diego
Posts: 2,086
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Try a major cleaning on the carb.
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08-31-2002, 01:41 AM
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#4 |
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Jostrans68
Join Date: Mar 2001
Location: Bloomington indiana
Posts: 1,182
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also look for air leaks
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 [CGTW Memberformer 67-72 now with a 96 silverado |
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08-31-2002, 09:39 AM
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#5 |
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Registered User
Join Date: Jan 2001
Location: Killingworth, CT. USA
Posts: 3,378
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Check for vaccum leaks where the intake meets the head and the base of the carb. Spray carb cleaner or w-D40 around those areas while the engine is running, if there is a leak there you will hear the engine rpm change. Also check the dist shaft for wear and play, check this with a dwell meter or manualy wiggle the shaft rotor is attached to, should be no play side to side.
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1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist. |
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08-31-2002, 02:49 PM
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#6 |
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Registered User
 
Join Date: Aug 2001
Location: SOMERSET KY.
Posts: 6,425
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IF IT'S A POINTS TYPE DISTRIBUTOR, CHECK & MAKE SURE YOU HAVE THE POINTS SEATED PROPERLY. DID THIS PROBLEM JUST START AFTER YOUR TUNEUP?? WHEN YOU HEAR HOOFBEATS.... DON'T LOOK AROUND EXPECTING ZEBRAS
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junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE.  THERES ROOM FOR ALL OF GODS CREATURES RIGHT NEXT TO MY MASHED POTATOES//LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST |
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