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#27723 08/04/2003 2:59 PM | Joined: Jan 2002 Posts: 2,839 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,839 | Now that I've been using my truck almost on a daily basis I have noticed that every once in awhile (maybe every 10 times), when turning off the engine it backfires (not sure if this is the correct description) or burps during its last couple seconds of life, so much that the hood flaps up at the top and the wiper blades shoot up to 12:00 o'clock position. Kinda reminds me when having eaten too much ice cream the nite before, developing too much compression.
What's the cause ?
Sincerely
Ivanna burp alot
Craig My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
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#27724 08/04/2003 3:18 PM | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | rollin on the floor w/ that description!  good one! opens the old guys eyes, eh? check yer compression, sounds like maybe a burnt valve? only does it when that cylinder winds down at the right time, and then it fires, but fired by heat rather than spark w/ the force having to go out the carb cuz the piston has too much resistance [crank about stopped] - or maybe timing? or you could quit feeding the poor truck cucumbers Bill | | |
#27725 08/04/2003 3:47 PM | Joined: Jan 2003 Posts: 687 Shop Shark | | Shop Shark Joined: Jan 2003 Posts: 687 | cmayna: Sounds like timing to me!! Also what kind of gas you feeding that thing radishes  popcorn The truth is Out There (Truck eats veggies?) | | |
#27726 08/04/2003 5:19 PM | Joined: Dec 2001 Posts: 1,745 Member | | Member Joined: Dec 2001 Posts: 1,745 | A can of beano with every fillup should fix it...
54 3100 with 235
62 flatbed dump C60 with 261
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#27727 08/05/2003 12:52 PM | Joined: Jan 2000 Posts: 206 Member | | Member Joined: Jan 2000 Posts: 206 | Try lowering the idle speed. | | |
#27728 08/05/2003 1:33 PM | Joined: May 2003 Posts: 1,271 Shop Shark | | Shop Shark Joined: May 2003 Posts: 1,271 | Mine was doing that ... my gas mix was to rich. I leaned the carb down and it hasn't happened since.
~~ Alan Horvath 1954 Chevy PickupSinging his praises in thePassing Lane | | |
#27729 08/05/2003 2:03 PM | Joined: Jan 2002 Posts: 2,839 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,839 | sixpack, Funny you mention idle speed for my truck has been idling too high for the past 3-4 months (around 1,000 rpm) unless I quickly tromp on the pedal which then it drops to around 800. Thinking I might need to rebuild the carb.
Craig My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear My truck ....... Respect The Rust If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.
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#27730 08/05/2003 5:33 PM | Joined: Dec 2001 Posts: 1,745 Member | | Member Joined: Dec 2001 Posts: 1,745 | Most throttle release problems with these seem to be linkage related. I put two springs on mine and it still does it sometimes.
54 3100 with 235
62 flatbed dump C60 with 261
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