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Disco-Ron

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Posts posted by Disco-Ron

    Radiator for 4.6v8 90

    in Defender Forum (1983 - 2016)

    Posted

    I have just fitted one of item no 281675579909 to my 3.9. ..... complete with an alloy shroud and two 11 inch electric fans.... which are thermostatically controlled. ..

    it does the job perfectly. .. in fact I'm just about to fit a new thermostat as it won't warm up fully. ... its four core not three like most

    I also have a very accurate temp gauge. .. not an original one.

    Might be worth asking if he has any more of the rads... the packaging alone was worth what I paid! !

    Strange vibration

    in Discovery Forum

    Posted

    Check the bushes on both axles. ... could be the front hockey stick bushes allowing the axle to rotate as you brake to a halt making the diff angle change. ....you'd be surprised how much they can move even if in good condition! !

    3.9 v8 efi auto cooling. ....

    in Defender Forum (1983 - 2016)

    Posted

    I don't currently have the fans cowled. They are pinned basically straight to the rad. I could fit the fans to a shield and box in the back of the rad..... didn't really want to do that as I fear that the iil coolers will lose airflow when the fans are not running. ...

    doug. Hopefully the timing is about right. The timing marks are incorrect so its done by ear... I can't guarantee its right as the exhaust is too loud to hear it det...... so I'm being cautious. .

    3.9 v8 efi auto cooling. ....

    in Defender Forum (1983 - 2016)

    Posted

    Been out trialing today. And whilst it was quite warm it wasn't the hottest day on record. ..

    admittedly when trialing I wouldn't expect anything other than it getting hot. But even at 50+ getting there and back its still warmer than I would like. ..

    I'm running standard cast manifolds with the cats cut out. ..

    I have drilled a few holes 28mm in the back sides of the bonnet. ... hopefully that will assist slightly. .. also tweaking the mixture til I get it somewhere near. ...

    3.9 v8 efi auto cooling. ....

    in Defender Forum (1983 - 2016)

    Posted

    Having finished the build and got it running properly I have another slight problem. ..

    I have installed a dedicated water radiator with oil and transmission cooler in front of the rad. The rad has twin 11 inch fans thermostatically switched. .. when burbling around today the fans are on continuously. .. and the temp gauge got up to about 98 at one point. ...

    what have others done to aid cooling??...

    Not a fan of bonnet scoop s..... but I suspect that half of the issue is the heat not getting out of the under bonnet area...

    your ideas would be welcome. ..

    fuel gauge playing silly bu66ers

    in Defender Forum (1983 - 2016)

    Posted

    Ign on wires dangling. No reading

    earth wire continuity to earth tested. Good!

    White wire earthed. Reads empty/light on.

    Green/blk wiee earthed. Gauge reads full.

    trouble is that even with the sensor out of the tank. I can't get an empty or full reading on the gauge. ..

    however I think the tests have proved its a sensor fault....

    Hence why I bought a new one.

    So unless I have connected that wrong that is faulty too.....??

    fuel gauge playing silly bu66ers

    in Defender Forum (1983 - 2016)

    Posted

    Under seat tank in my 90

    currently the gauge never goes to the E... or the F.

    even with the sensor out it still won't register each end of the scale.

    Bought a new one. And this one registers empty and the light is on. But move it slowly up and as soon as the light goes off the gauge drops back down to the off position. ....

    any ideas..

    gauge faulty? .. wiring? . Or both sensors? ?

    3.9 v8 efi auto in defender. ....

    in International Forum

    Posted

    First thing this morning 7 of the 8 were quite dark. And the 8th was fully black. Compression test proved it isn't a mechanical issue. ... decent spark out of the cylinder with another plug. So new plugs and touch wood it seems fine.

    The thermostat is present and operating correctly. .. I have a capillary temp gauge so I know exactly what it's doing temp wise.

    I suspect that doing a lot of tinkering in the garage has led to killing at least one of the plugs due to it running in choke mode for too long.....

    now its hopefully fixed it will get used rather than tinkered with. ...

    I drove it about ten miles this morning with the diagnostic program plugged in and everything was working fine. ... There's no apparent oil usage. .. so hopefully it will stay that way. ...

    Thanks for all the input. ... hopefully it'll remain fixed for a while. ... I'll carry a set of plugs. .....

    3.9 v8 efi auto in defender. ....

    in International Forum

    Posted

    Thanks for the suggestions guys.......

    everything is connected as it was in the discovery pipe wise etc. I used the discovery fuel lines along the chassis to the defender tank and connected from there. ...

    This morning I have fitted another set of plugs. Still bpr6es ...... and given it a bit of advance and touch wood after ten miles it hasn't missed a beat..... all very bizarre. ..

    is it possible that running the engine for short times could kill pugs??.....

    3.9 v8 efi auto in defender. ....

    in International Forum

    Posted

    Have recently finished building my truck around the above engine from a late 200 shape discovery.

    Have had smooth running issues since.

    The list of bits I've changed is getting excessive. .

    lambdas

    stepper motor

    temp sensor

    plugs ngk bpr6es

    leads genuine

    Cap lucas.

    rotor arm lucas.

    coil bosch.

    amplifier

    ecu loom checked for continuity

    different ecu tried.

    Its decatted but running cat map as suggested by a well known tuner..

    symptoms are.

    slightly uneven idle. Feels slightly ss if its holding back. ..

    drives ok ish until its warm then it misses and occasionaly backfires at wider throttle setting. ....

    always use shell super and it drinks it as fast as you can put it in the tank. ...

    plugs are sooty. And the timing has been checked. ... have also checked the timing marks are actually in the right place. ....

    any help appreciated as I'm toying with chucking a match on it!!

    Tyre changer, any good????

    in Tools and Fabrication

    Posted

    I have exactly the item asked about.

    Bead breaker bent the first time I used it....

    I use a hi lift.... but it sometimes takes a few applications around the rim. ...

    I bolt mine to two chunks of crossed timber when I want to use it and one leg is longer to park a land rover on to secure it.....

    I mainly use mine for steel rims and mud tyres. The taller the sidewall the easier it is to remove the tyre.

    I bought the bar for alloys which works well. And have done a few car tyres but its hard work with low profile ones!!

    I can now remove and fit four tyres in about an hour. The biggest problem for me is I'm 8 miles from the nearest tyre fitter. And four wheel and tyres won't fit in the pick up. So it means two trips. .. and paying. ... this thing has pd for itself over and over again. ..

    for the cost its also worth getting a tub of tyre soap and a brush. .... I bought a bag of 50 valves too...... they've nearly gone! !

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