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Team Idris

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Posts posted by Team Idris

  1. Don't panick :)

    You know when you've hydraulic'd, it's a hell of a bang.

    But even if you have, If it's not banging as it turns over it should start. After all, you'ld be going well to bend all 8 con rods! And even if you bent one he'd still start.

    Could easily have water in the fuel? Try him with a snort of etha.

    Apart from the known and common faults it's a robust engine badly made. A bit of oily water won't kill it.

    Fixes;

    I run a cheap £5 compressor on the dash that pushes fresh air into the distributer to keep the steam out. I carefully drilled the body for a pipe. If you want to go further, there are two drain holes in the bottom of the body. You can run a hose to one of them and block the other (really, really carefull job due to bob weight frame inside)

    Also check the dipstick seal, valey gasket, carb breathers, rear block breather intake, auto box dipstick seal and rad cap as points of water ingress, as applicable to your truck :)

    Anything that isn't sealed really :i-m_so_happy:

    I hope he fixes easy and you can back out there :D

  2. I suppose Whitbread, but with a tube chassis instead of box, like Red-line-mikes. Or maybe an 80mm tube chassis like some bloke who's name I have forgotten.

    Alan Burns, thats him :) I liked that truck design a lot. It survived going end over end on a comp okay, so it would be strong for winching.

    I guess Malcolm would build either for you?

  3. Atter recently stripping down two 3.5 RV8's with wrecked standard cams I wouldn't be fitting anything but 'good' cam parts :)

    The bits of metal that got through the strainer and badly scored the inside of the pump housing and on one, jammed the relief valve open. So I've put the piper max-torque in.

    And a duplex chain :wub:

    Though is probably going too far ?

  4. 6" won't be any good for main cooling, but fine as boosters.

    Place them by the inlet port or at least by the inlet header tank. Heat exchangers are rated in watts per degree. The greater the temperature difference between ambient air and incoming fluid, the better the performance. So you blast the fins with air where they are hottest.

    6" are more for oxford/intercal coolers. If you are replacing the main fan then you want two 12" with a proper air box/cowling to make the whole core work hard. Then trigger them with the biased thermo switch you have.

    Sucking fans give a more even air flow than blowing fans, which have a dead area in front of the hub.

  5. Mines the same with 3/8" unc helicoils. Except in the front, where they are M10 helicoils, which was due to an instalation error on my part resulting in some in-event damage :blush:

    So if you do kill the threads I'll vouch that they will helicoil M10 :) even if its a bit naughty.

    They partly work like studs, in that the aluminium thread is only recieving a pulling force rather than the pulling and sliding force of a bolt placed direct into the ally. (same effect seems to apply to tracks?)

    And they also work because the thread in the ally might be about 12mm for an M10 bolt, so the pull force is spread over more aluminium area.

    Being able to stand more removals is a good argument, but only if they don't rust. I hate them :angry2: I'd rather have a threaded nut insert with the location spikes ^_^

  6. You definately need 3 TONNE and not 3 tonne if you know what I mean :)

    My 3 tonne jack is the bigger style with the cog release, and it has a carp release valve that jams easily.

    I'm not sure what a good 3 tonne trolley jack looks like, but I recon it's over £200 ;)

  7. I was on a tunnel job where they winched two dumper trucks up and down the embankment all day long loaded up. Tow motor was a recovery truck. I was suprised they didn't knock the cranks out of the dumper engines it was that steep :) Can you do the same with a tractor winch?

    What about buying the bald tyres and putting chains through the wheel holes?

    I'd buy a buldozer and drag a sledge though meself. Then flog it at the end of the job :)

  8. Rebuilding depends on the dust seal seat. If it's rotted away then they arn't really any good. If they are okay, the rangy ones are a pain to rebuild, as all brake clapers to be difficult. Its a good argument for buying new :)

    I fitted Zeus pistons which are aledgedly stainless? I'm not sure what grade. I'm sure they will be better in the long run than 'badly chromed'.

    Rangy 4 pot calipers have two pipes for a two stage master cylinder. So I say the master cylinder should match the calipers. (sounds fair?)

    As far as I can make out there are only minor mods to the swivel housing and that the basic caliper mounting structure is the same on the coil sprung chrome ball axels. Thats through prefix 'A', prefix 'B' and metric. Which seems unlikely given the tinkering on stub axels and casings?

  9. Thats another nice install :)

    And if your reading this as a newbie, that tensioning pulley really is a lot better on the slack side of the belt. I've pushed my luck and put it on the 'pull' side before, but it isn't as good.

    To make it work on the 'pull' side the tensioner pulley has to be very strong to take the drive load without flexing. But on the slack side all it really has to do is take out the slack.

  10. If it's too shallow, why not fit a spacer plate with 2 timing cover gaskets?

    I know the obvious answer is that the serps oil pump won't drive right, but it's going to depend how much more room is needed for the duplex chain and how far the pump and front pulley can be tweeked forward.

    Or the lack of chain space might mean some case welding, but it is weldable.

    Don't get me wrong on this, I havn't seen one and don't know the exact issues :)

    (But I have created some unlikely amalgamations by a bit of sideways thinking)

  11. No, seemed okay, and seems okay with this new engine. I presumed I had more chance than with a front UJ prop shaft.

    It's not static balenced on the crank or anything technical like that.

    I need to start shoving some bits back on it and do some cleaning. The indoor 4x4 show at Stafford approaches rapidly.........

  12. http://forums.lr4x4.com/index.php?showtopic=70986

    Has the CAD download for it. RRC RV8 has a front crank boss with 6 bolts and a large spiggot to mount the pulleys. I left a hole up the middle for the crank bolt.

    I was lucky and got a new 3 sheave cast pulley from Dunsfold to replace my twin sheave set up. No idea what its off, as all 3 are different diameters?

    A better drive option would be standard Spider drive flex http://www.jbj.co.uk/spidercouplings.html where the one half is machined into the crank adapter.

    I like my blue train joint, but I may have trouble with replacements :wacko:

  13. "Are you advocating the use of new lubricating oil for rust prevention in cavities and the like as opposed to commercially available corrosion inhibitors?"

    No :)

    I'm talking 'already rusty' rust prevention.

    As in; rust is hiding in inacessible structures or between spot welded items.

    Nothing comercial is going to penetrate the rust and clay crust on the inside of my rangy chassis.

    And it's looking like oil is the only thing that has any chance of keeping my 1991 transit going.

    Both, realistically, are terminal cases :) It is 'when' not 'if'..........

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