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Stalling V8
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kerosene
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Joined: 21 Dec 2006
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PostPosted: Thu Nov 01, 2007 8:45 pm    Post subject: Stalling V8 Reply with quote

My SD1 is stalling.Its when i press the accelerator pedal,i'l try and describe it best i can.When the engines warmed up i press the pedal(Not hard) and the revs die and make a low sounding noise then press harder it catches up and revs normally(towards the red).Again when im not pressing the pedal, the engine ticking over, i put more pressure on the pedal(so it revs faster)the engine overcomes the stall quickly.I suspect the carbs but unsure.Anyone else had this problem and how they fixed it?.The engine has stromberg carbs.

Thanks
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Lehto
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PostPosted: Thu Nov 01, 2007 9:43 pm    Post subject: Reply with quote

My engine did that when cold... it was the automatic choke stuck at off position. So maybe your is stuck so the automatic choke is always on?

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kerosene
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PostPosted: Fri Nov 02, 2007 6:14 pm    Post subject: Reply with quote

Lehto wrote:
My engine did that when cold... it was the automatic choke stuck at off position. So maybe your is stuck so the automatic choke is always on?


Thanks for replying Lehto.I checked the automatic choke(Do you mean the F.A.S.D[Fully.Automatic.Starting.Device]?)and its not stuck or sticking.When i first start it from cold,the revs rise over 1000 rpm.Then drop after a few seconds to around 800rpm.I revved the engine (near the throttle linkage,not the pedal)and the engine was on the verge of dying.
Plus the engine is running very rich.Do you think the carbs are at fault?.Im thinking the carbs need a full rebuild and tweaking.
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Lehto
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PostPosted: Fri Nov 02, 2007 8:30 pm    Post subject: Reply with quote

kerosene wrote:
Lehto wrote:
My engine did that when cold... it was the automatic choke stuck at off position. So maybe your is stuck so the automatic choke is always on?


Thanks for replying Lehto.I checked the automatic choke(Do you mean the F.A.S.D[Fully.Automatic.Starting.Device]?)and its not stuck or sticking.When i first start it from cold,the revs rise over 1000 rpm.Then drop after a few seconds to around 800rpm.I revved the engine (near the throttle linkage,not the pedal)and the engine was on the verge of dying.
Plus the engine is running very rich.Do you think the carbs are at fault?.Im thinking the carbs need a full rebuild and tweaking.


Yes that does the trick i think Smile

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kerosene
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PostPosted: Fri Nov 02, 2007 8:42 pm    Post subject: Reply with quote

Right,Im going taking the engine out then. Smile .The bloody wiring is a mess inside the engine bay,the engine's filthy,rebuild the carbs and fix the other 14 problems around the car as well!! Shocked .God help me!.She is going to be rested for a good while.Who says owning cars is boring??
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Lehto
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PostPosted: Fri Nov 02, 2007 9:44 pm    Post subject: Reply with quote

Strip a rangie for its EFi bits and sort the problem Smile

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kerosene
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PostPosted: Sun Nov 04, 2007 6:27 pm    Post subject: Reply with quote

Thats a kick ass idea! Cool What bits would i need though/So i'd have a rough idea.
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Lehto
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PostPosted: Sun Nov 04, 2007 7:16 pm    Post subject: Reply with quote

Im about to do that myself to my car. Its not as simple as it sounds. You need SD1 efi fuel tank, fuel pump, fuel line and return line and all the induction bits. Plus you need to make a few wire changes to the fuel pump one.

Does ramon have any tutorial for this?

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kerosene
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PostPosted: Sun Nov 04, 2007 10:13 pm    Post subject: Reply with quote

Lehto wrote:
Im about to do that myself to my car. Its not as simple as it sounds. You need SD1 efi fuel tank, fuel pump, fuel line and return line and all the induction bits. Plus you need to make a few wire changes to the fuel pump one.


Rimmers is expensive enough for these parts. I'll stick to the trobulesome carbs for now.
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88v8
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Joined: 24 Nov 2007
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PostPosted: Sat Nov 24, 2007 4:00 pm    Post subject: Arrrgh Reply with quote

I wouldn't touch an olde efi setup with a barge pole. Just a pile of problems waiting to happen.
And, with all due respect, if you can't sort carb problems, you'll not have a hope in hell of sorting an efi what with dodgy loom connections, sensors, ecu, etc.
Get rid of the FASD carbs, and get an early SU setup from an SD1 or Landrover, with manual choke. Or if you're not bothered about originality, go for a 4-barrel setup from RPI.
Keep it simple.
Smile

If you want to fix your existing carbs, overhaul them as per the Haynes Book of Half-truths. Before doing a full overhaul, you might start with checking the float level, the dashpot oil...
Have you got an exhaust gas analyser?
The Gunson is not to be sniffed at, I use it every six months to check the mixture on my carbs. You also need an airflow meter, Edelbrock do one, for balancing.
But steer clear of efi
Sad

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Lehto
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PostPosted: Sat Nov 24, 2007 6:29 pm    Post subject: Reply with quote

HAVE YOU BEEN SMOKING CRACK?!!?! EFI > Carbs any day. When your fitting an efi system to replace carbs its not a big job to go through the efi loom for bad connections. You get more power, better economy, better emissions... carb good points vs efi? Simplicity? You cant even defend the carbs price vs an efi system if your replacing SU with 4barrel because you have to buy whole new carb and intake.

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kerosene
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PostPosted: Sat Nov 24, 2007 8:45 pm    Post subject: Reply with quote

88v8 wrote:
I wouldn't touch an olde efi setup with a barge pole. Just a pile of problems waiting to happen.


Thats possibly true,it depends on how capable a person is with mechanics and wiring.

88v8 wrote:
And, with all due respect, if you can't sort carb problems, you'll not have a hope in hell of sorting an efi what with dodgy loom connections, sensors, ecu, etc.


I am capable of sorting out carbs,did you notice i said i suspected the carbs in my earlier posts?I wanted confirmation from someone,so i wouldn't end up wasting money since i'm tight for cash.

88v8 wrote:
Get rid of the FASD carbs, and get an early SU setup from an SD1 or Landrover, with manual choke. Or if you're not bothered about originality, go for a 4-barrel setup from RPI.
Keep it simple.


I have consider these options already on another forum.but thanks anyway




88v8 wrote:
If you want to fix your existing carbs, overhaul them as per the Haynes Book of Half-truths. Before doing a full overhaul, you might start with checking the float level, the dashpot oil...


i haven't checked these things yet since i am taking the engine out.

88v8 wrote:
Have you got an exhaust gas analyser?


No,my family have a basic garage(for our cars) where if we need that we take it to a local garage.i know the car is running rich,the exhaust smells heavily of petrol.

88v8 wrote:
The Gunson is not to be sniffed at, I use it every six months to check the mixture on my carbs. You also need an airflow meter, Edelbrock do one, for balancing.
But steer clear of efi


Thanks for the advice.
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ramon alban
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Joined: 14 Feb 2006
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PostPosted: Sun Nov 25, 2007 12:12 am    Post subject: Re: Arrrgh Reply with quote

88v8 wrote:
I wouldn't touch an olde efi setup with a barge pole. Just a pile of problems waiting to happen.

steer clear of efi


Ouch! Does that mean since late 1993 after I got my TP running sweet as a nut and in the meantime, two Vdp Efi's likewise, that it was all a myth, and I really have to question how on earth my TP Efi System has been pretty trouble free for 14 years with the exception of a blown ECU.

Worse, should I now be considering changing to normally aspirated induction because the future is so bleak.

Oh Dear! I feel really ill at the thought of having to learn about carburettors. In fact i dont think I could face the future either way now.

Does anyone want to buy my TP? Crying or Very sad

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Lehto
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PostPosted: Sun Nov 25, 2007 12:28 am    Post subject: Reply with quote

Mostly those ECU "blow ups" are just cold solderings and by re soldering whole board the problem goes away.

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v8driver
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PostPosted: Sun Nov 25, 2007 1:01 am    Post subject: Reply with quote

I've seen your car 'in the flesh' Ramon,I think you would enjoy ripping off one of your legs more than selling it Wink .Carbs? pass me the stone chisel please,I'm going to invent the wheel.

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