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Team Idris

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Posts posted by Team Idris

  1. I don't regret pulling my mains and heads to ARP toques, even though I was fully aware I was probably doubling the clamping force. I had concearns and it made my ring twitch. But at the end of the day I wanted these parts pulled down harder to stop the mains walking and to increase head gasket life.

    Next time I would use rover torque settings and be happy that I was pulling more clamping force from the UNF thread. I think the honest truth is that; "you are the engine builder" when you buy aftermarket upgrades. I couldn't bring myself to condemn ARP any more than I could the billet-vernier duplex-sprocket guys, the max-torque cam, the dry sump pump or Craig Davis. When all said and done I own a machine manufactured by Steve Knight. I'm responsible for my own crazy party :)

  2. That's the same fix I just did on my winch. Yours looks great !

    First thing to note is that a helicioil doesn't spread the load like an insert does. Also the helicoil puts down some uneven forces as the thread tries to roll. Nut inserts don't do that, so that looks a cracking fix :)

    The weld could be high silicon. This reduces the chance of the weld cracking, but it would have meant that helicoil number two was in softer metal?

    If that doesn't do the job I'd keep drilling until I hit oil. Then I'd seal the thread.

    I hate helicoils, but we use them a lot at work and they are better than bare ally, even if it high magnesium alloy.

  3. Sounds like a reverse vortex coming off the front of the vehicle and working against the fans. Do the fans have a proper fan-cowl in the form of a box? (As opposed to two fans lying against the rads fins)?

    Landys have funny air flows. At 30mph a sheet rolled up in front of the vents started moving toward the bonnet edge!

  4. It would probably let go if you sat it on its back and filled the dirt seal gap with phosphoric acid. It penetrates and converts the rust.

    I suspect that I actually would have picked up a welder and given it a few runs to shrink the piston? It's my weapon of choice for most jobs ;)

  5. The flow is down to how much the pump moves per turn to give cc/rev.

    After the pump is a flow control valve which kind of tries to sort stuff out, but not in a nice way.

    Mercedes probably doubled the pressure so they could halve the flow and make all the parts smaller.

    If you think hydro-assist might be good then you probably need even more flow, so merc might be going backward? But it really is down to that cc/Rev when you are low engine speeds.

    I can't help but think that there ought to be a 3000psi valve that's slips into the column and sends oil to a steering ram, so that the PS box just becomes a manual, but I haven't seen such a thing. I also wondered what an electric flow booster pump 'teed' in would do?

  6. The 'return restrictors ' are in the return pipe. (I replaced mine with a sprung ball valve set to 4 psi). So it doesn't matter if the fuel enters left or right as they are just threaded 'T'.

    I think you could block one and just feed 4-5psi! Return pipe seems a stupid idea that doesn't fix the issue of fuel boiling in the carbs.

    The big plastic ports go to the rocker boxes. The 6mm next to them are the bowl breathers. I have one pipe on each of mine. They let some fuel out on really steep nose-downs. As long as the pipes clear the hot manifolds they are good.

  7. Yes, self latching relay. Take a normal relay and wire the output to the trigger so when it contacts it stays 'latched'. But where it is fed by a diode so it doesn't back feed the ignition wire. The thermo-switch then breaks the latch wire when it opens.

    Thermo switches come in at range of temps and NO or NC (normally open / normally closed)

  8. Well, mine works in the back, but I guess you plan for the worst with this set up. I have two 9 amp 14" sucking fans and a 3" deep ally air box so all the rad fins work equally. The box has a divider plate bit so one fan can still work if the other fails.

    If your set up already has a good cowl/box then it must be a water flow issue?

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