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Re: hesitation when driving |
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Home away from home 
Joined: 2005/5/20 10:20
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I spent weeks chasing the problem when my ute was running the A14 the reason it stops when the car heats up is because heat makes things expand hence a better electrical contact. also sounds electrical due to the battery dropping voltage even after a charge.
Posted on: 2011/2/25 7:55
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Don't You Just Love Owning a Road Registered GOKART
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Re: hesitation when driving |
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No life (a.k.a. DattoMaster) 
Joined: 2009/8/26 6:58
From mandurah
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as i said before mine did it too ,but mine had the choke completely romoved !
might be the cause ??
Posted on: 2011/2/22 13:35
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77 1200 ute 77mm bore a15 ,12:1 comp ported and reconed h89 head fairly aggro cam ,billet rocker spacers twin 40mm solex carbs on bpro manifold MSD 6al2 with 2 step limiter 4speed 60a box hd clutch 2 inch exhaust locked 4:11 ute diff ...
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Re: hesitation when driving |
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Home away from home 
Joined: 2006/8/20 12:39
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mine does the exact same thing and im running the same weber.. i always just thought that it was the auto chokc on the weber cause i never actually thought mine worked properly.. But if thats not the problem then my guess that it would be running rich..
quick question, what kind of fuel consumption should you get with the 32/36 weber?
Posted on: 2011/2/22 12:06
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MUNCH MUNCH PISTONS FOR LUNCH
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Re: hesitation when driving |
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No life (a.k.a. DattoMaster) 
Joined: 2009/8/26 6:58
From mandurah
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Registered Users
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ok os if it only does it when it is warming up how can it be anything to do with the coil ?? the coil and i0gniton system works the same when it first starts and when its at optimum running temp ,i think it has something to do with the timing being out abit or maybe the auto choke in the carby
not aiming it at anyone just not sure the ignition system has anything to do with it :)
good luck !
Posted on: 2011/2/22 9:47
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77 1200 ute 77mm bore a15 ,12:1 comp ported and reconed h89 head fairly aggro cam ,billet rocker spacers twin 40mm solex carbs on bpro manifold MSD 6al2 with 2 step limiter 4speed 60a box hd clutch 2 inch exhaust locked 4:11 ute diff ...
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Re: hesitation when driving |
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Quite a regular 
Joined: 2010/4/12 13:22
From SA
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i had the same problem as you by the sounds of it.
try bypassing the resistor that sits on top of the coil (my'n was white)
Posted on: 2011/2/22 8:56
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Re: hesitation when driving |
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Home away from home 
Joined: 2005/5/20 10:20
Group:
Registered Users
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check your coil
Posted on: 2011/2/22 8:28
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Don't You Just Love Owning a Road Registered GOKART
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Re: hesitation when driving |
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Home away from home 
Joined: 2006/5/21 8:00
From Melbourne
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This sort of thing was happening with mine just last week.
BAD POINTS mate. Pop off that dizzy cap, gear box to neutral turn the engine by hand and check you've got a gap appearing inbetween those points. Mine just had no gap what so ever, would run, but blipping the throttle would cause the same problem you're describing.
They're a $10 dollar part as well mate. Get a new set gap it to .020 of an inch or if you've got a dwell metre which is a great idea too, get those points to about 48-55 degrees.
Posted on: 2011/2/22 2:41
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Re: hesitation when driving |
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No life (a.k.a. DattoMaster) 
Joined: 2009/8/26 6:58
From mandurah
Group:
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maybe the timing is out a little ?
sounds like its just cold and i think most old motors do it ,mayeb try putting a timing light on it and check the timing is where it should be ,but if the problem has carryed over with the new carb then it isnt a fueling problem unless your realy unlucky
ide be checking the timing and check the choke out too ,most the time people get rid of them on dvag webers ,thats why mine ran crappy when it was cold
Posted on: 2011/2/21 14:51
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77 1200 ute 77mm bore a15 ,12:1 comp ported and reconed h89 head fairly aggro cam ,billet rocker spacers twin 40mm solex carbs on bpro manifold MSD 6al2 with 2 step limiter 4speed 60a box hd clutch 2 inch exhaust locked 4:11 ute diff ...
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Re: hesitation when driving |
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No life (a.k.a. DattoMaster) 
Joined: 2010/6/2 13:35
From Toowoomba & New Jersey USA
Group:
Registered Users
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Even though I have very very little knowledge of the mechanics of an automobile I think I have a gut feeling the hesitation has to due with an electrical problem I have had since I bought the ute. After about a week of driving or so, my battery goes flat and I have to recharge it for the next week. If I leave it in the garage without driving it the battery goes flat even sooner, about two days. For example, I haven't driven it the past 3 days and the battery went from normal (approx. 12v) down to (5v) after measuring it with my multimeter.
That being the case..totally speculating here but..The hesitation could be due to low voltage in the battery? Then after 10 minutes or so of driving the alternator brings the battery back up to its normal range and that's why the problem goes away? Could this be the root of the problem?
Posted on: 2011/2/21 13:09
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---1976 B120 "THE GENERAL REE"--- Former build---1980 B120 Vanilla Ice --- current build
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Re: hesitation when driving |
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No life (a.k.a. DattoMaster) 
Joined: 2007/1/22 23:06
From East New Britain, Papua New Guinea
Group:
Registered Users
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If it were the fuel pump I would say you would have very different symptoms.
The dizzie could have hesitant weights, dirty points, incorrect points gap, dirty nodes in the cap, bad leads, could even be the coil?
Check the spark is good and clean the spark plugs while you are at it, also check the spark plug gaps are okay. Following that check the vacuum advance is connected and working properly.
I'm not sure if you have a spare dizzie but replacing it with another unit as a trial and error is somewhat easier. Or buy an electronic one and put that in place of the stock one?
Posted on: 2011/2/8 13:46
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