| [ Total Views: 1427 | Total Replies: 10 | Thread Id: 106088 ] |
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 lenny1870
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 posted on May 18th, 2014 at 12:39 PM |
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Acceleration problem
When taking off, the engine stutters and misses and I can't accelerate very well. I have trouble going up inclines, let alone hills and I don't know
what the problem is.
I have cleaned out all the jets in the carburettor (30 pict-2) and there is enough fuel reaching it....the timing is set to 7.5 dg before tdc and the
points gap is 0.4mm. I thought maybe the squirt may have been a problem, if there was not enough? But I am not sure?
I have a Bosch 0231 127 009 distributor also
Josh
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 barls
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| posted on May 18th, 2014 at 01:21 PM |
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whats your points like?
last time they were adjusted?
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lenny1870
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| posted on May 18th, 2014 at 01:56 PM |
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| Quote: | Originally
posted by barls
whats your points like?
last time they were adjusted?
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The points were adjusted this morning and there was a small improvement although the acceleration problem persists :/
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 Bizarre
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| posted on May 18th, 2014 at 02:57 PM |
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has this only just started?
Futue te ipsum!!!
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Shuffs
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| posted on May 18th, 2014 at 03:22 PM |
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More questions!
Is the miss,just like it's dropping a cylinder,or is the whole engine dying?
If it's not a fuel problem,and you have the points sorted,maybe it could be a plug lead,the plugs themselves,main lead from the coil,or the coil
itself.If you have spares of these,I would try the easy changes first (leads and coil),but don't do the lot at once and try it,because if that fixes
it,you'll never know what was at fault.
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lenny1870
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| posted on May 18th, 2014 at 04:16 PM |
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I advanced the timing by 5dg and there was a significant improvement although I'm not convinced I have fixed the problem..I took it for a test drive
up the main hills I drive and it went fine. My worry is wether or not the advance in the timing will effect anything?? Aka create more problems from
now on??
And yeah this problem only started last week...
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plimthing
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| posted on June 18th, 2014 at 11:24 AM |
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I had this on my SB. I know you said you checked the squirt for quantity but is the nozzle still there and if so is it pointing down the centre and
not aimin at the sides of the carb throat?? Mine had gone completley (|!?) and the car would just stumble on the slightest acceleration.
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Camo
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| posted on June 18th, 2014 at 12:11 PM |
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Replace the condensor.
Kev
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bajachris88
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| posted on June 18th, 2014 at 12:30 PM |
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so you have a 009 dissy you say.
well... firstly you need to time the dissy differently to the stock vac style distributors. You need to adjust it so the maximum advance is around 32
to 34 degrees. What ever it rests back down on at idle (be 7.5 deg or otherwise) is what it will rest down on. With 009's you set the max advance
limit to 'tune' the timing.
Weak spark can also cause issue. Ensure gap is not too large. Not sure on your level of experience, but remember never remove spark plugs on a hot
motor or you will damage the head threads.
With accelerator pump, easiest way to check is to turn the throttle ever so small and you should see at least a drap going in. IF you are turning the
throttle 30 deg or so before it spits out then it ain't right.
Lastly, i had a vac dissy go out similiar to the way you describe. Backfiring and carrying on. I'm not sure what the issue was but i just swapped out
to a wannabe 009 dissy. Ensure all mech advance mechanisms in the guts of your dissy and move around and spring back freely, and its cheap insurance
to swap the condenser.
(ô_!_/ô) (ô_!_/ô)
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landfall
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| posted on June 18th, 2014 at 01:03 PM |
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Do you have a tachometer?
If so, at idle, remove one spark plug lead at a time and note the drop in RPM. If there is a significant difference in any one cylinder, then first up
check the spark plug lead, ie: the faulty cylinder will not drop the RPM as much as the good ones.
You can check each lead with a multimeter set in the Ohms category 200k.
If the lead checls out OK, just to be on the sure side, check the distributor cap for any cracks or arcing.
If all this is OK, then you are left with a compression test on the cylinder that is not performing.
Ken
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oldturtle22
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| posted on June 22nd, 2014 at 11:55 AM |
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Check to see if the advance mechanism in the dizzy isn't seized or beginning to seize.
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