el_freddo

You’ve missed the point of the HG blowing @Checkerboard Comet - it’s the next chapter, not the end! Time to EJ it! You will fall in love with it again!! Cheers Bennie

Not a test, but I want you to get a proper temp gauge. Did the thermo fan(s) cycle in that time? Cheers Bennie

There’s a difference in the v belt and ribbed belt water pump - something to do with the length from the pump/engine mount face to the face of the pulley mount. Cheers Bennie

Nice find! It looks odd, what’s going on with the back end? Is it a cut down hatch? More pics definitely needed! Cheers Bennie

MYs didn’t have an overflow bottle. An overflow bottle is only good if you have a coolant return cap. Cheers Bennie

It’s also good to do the rad fill, run and bubbles check with the front of the vehicle on car ramps - it generally gets the radiator higher than the engine and can help with burping the cooling system. Cheers Bennie

Temp gauge could be a few things - check the wire is plugged snugly onto the sender at the thermostat area (this is where you’ll find it). Unplug the engine harness plug near the coil (it could be on the other side for the USDM, but I don’t know exactly), check for corrosion etc. it’s worth scratching up the pin sets to ensure a good connection. If everything under the bonnet checks out but the gauge doesn’t move, you can ground the temp wire and that gauge should go sky high if it works. If it doesn’t work I’m stumped - fit an aftermarket gauge (these are accurate rather than just an indication of temp). Cheers Bennie

Yep... Cheers Bennie

Ummm... but the EA81 exhaust had exactly the same thing minus a turbo and a “better” engine. If you replace the exhaust and make the prerunners or the exhaust manifold/extractors too large you’ll effect the peak power output in the rev range. Too large and you lose the scavenging effect low down in the rev range. Too small and you choke it in the top end. But we’re talking about an EA81... pretty hard to muck it up. An exhaust builder mate of mine says the Subaru Y pipe is too large right from the head for the size of engine. Same for the EJ22... Cheers Bennie

Ok, no gauge makes it tricky but there’s a list of things you can do, many already mentioned by DaveT and idosubaru, I’ll list them all here, but coolant blasting out of the overflow bottle is usually a “good” indication that you’ve got a HG issue. - have the coolant system tested for the presence of exhaust gasses. - radiator - check for air blockage through the fins. You should be able to see through the radiator fins when you’re 100% perpendicular to the radiator. - radiator -check water flow through the core. If it’s the original unit it could be worth having one end tank removed and the channels “rodded” to remove any crud that’s deposited itself in there. The all brass/copper radiator is good until corrosion kills them. - radiator cap. If it’s old, or history is unknown, get a quality new one - thermostat. Test/replace with a new genuine unit - back flow the heater core and ensure the “H” tap isn’t blocked when redirecting coolant back to the engine instead of through the heater core. - check the system for leaks. Any hoses or clamps that need replacing, replace them! On your radiator there’s a plug on the RHS (vehicle’s rhs), it’ll be a single wire plug with a yellow wire to the plug. This is the thermo fan switch. There should also be a small wire on the top of the radiator that’s also screwed to the body work. ^ this system is the factory EA81 thermo fan trigger system. Someone has bypassed this and either hard wired the trigger wire (yellow wire), or they’ve just hard wired the fan to the ignition “on” system. With some investigation you should be able to work out this setup and get it running right. Cheers Bennie

HGs aren’t “rare” on the EA81. They’re not super common but they do happen from time to time. My immediate thought on the issue is that your head gaskets are toast. But, checking those areas as identified by skishop - blocked radiator will have hot and cold patches at full operating temp. Thermostat could be stuck. Use genuine. Also try tightening your fan belt, this will increase contact on the water pump pulley and reduce slip if there is any. Cheers Bennie

Ummm... I think you’ve got this backwards! Ok, now I’m confused. You’ve got a right hand drive beat/brumby that you want to convert to left hand drive - and you’re in the states? Is this a language translation error? Cheers Bennie

Yeah?! Well, we get snow if the weather is right and you happen to be in the small alpine area we have - and you’d be lucky if you drive through a drift over here, unless the conditions were freakishly bad! Cheers Bennie

And it doesn’t have to be from a BRAT, any MY series will have all the bits you need. You just need to find someone willing to part with the bits you need and ship them to you. Cheers Bennie

Did you check to see how the wiring plugged into the main harness? I still reckon your wiring has the plugs to run the seats wiring system. My old brumby from the 80’s has the plug under the dashboard for the electric windows from the touring wagon of the same model shape. They’ve been doing it for THAT long! Cheers Bennie

Black and gummy = dirty. I hope you cleaned it before replacing it. I doubt the coolant over engine has anything to do with it. How badly over heated was it? Engine gauge get a little hot or engine stop because it got too hot? Check the timing belt hasn’t skipped several teeth on one of the cams or the crank (both cams line up but crank doesn’t). Cheers Bennie

I too was thinking IACV issue. One that is stuck open will make it hard to start too. I wouldn’t junk it just yet. But that’s me... Cheers Bennie

Hello Mark. I visited google translate and dropped this in the quote above for others to read in English. What you want to do is very achieveable. And it seems you have all the parts listed except maybe for pedal box and cables (if infact different to the RHD units). All the best in finding someone to help you out. Cheers Bennie

Dunno about dealer. Just good quality Japanese bearings. And remove the “seals”, then pack/replace with quality high temp grease. Replace one “seal” on the bearing and install with the open side facing into the middle of the hub. Throw a bit of grease in the centre area of the hub, then the spacer followed by the other bearing. Then your actual hub seals then the drive shaft. Don’t forget to prime the seals with some rubber grease so they don’t burn out. I do hope the bearings are the issue. As they’re relatively easy to fix. As for the four water crossings a day, that’s interesting. If they’re shallow (under the hub), you should be right, if they’re deeper than hub height and you’ve been on the brakes or straight off a main rd, you might want to consider cooling the hubs off before you cross through the water. Cheers Bennie

My question is what brand of front wheel bearings did you use? And has the inner seal been compromised/have you done any 4wdn involving deep mud or water crossings? All of these situations can kill the front bearings if a seal is toast or the hubs are hot when they hit cold water or in exteme cases, mud slurry is sucked into the bearings. Cheers Bennie

The curved spokes are the issue as FerGloyal has stated. They rub on the caliper. What you want is the set with spokes that have a much sharper bend in them with a flatter “face” of the spokes to hub surface. These clear the L series calipers. And don’t be fooled if they fit and you have worn brake pads. They can fit and work until you put fresh pads on, then the rim sits on the caliper or vice versa depending on your view of the matter Cheers Bennie

I thought you were going to say an EJ under the bonnet! Every L series owner definitely needs one! Cheers Bennie

It doesn’t look right. And it’s missing a plate in there so you’ve got a weak point at the bottom side of that lift block. Mine is a bit different, but the same principal applies - mine uses the standard plate in its original position, where as yours has it on a tower, giving it more leverage on the bolts. Add a second stock bracing plate where the K frame meets the lift block and I reckon you’ll strengthen this section up good and proper. Cheers Bennie

Don’t forget no filler neck on the BRZ radiator Cheers Bennie

Jono, you’ve pretty much nailed all the ways to do this from what I’ve tried/done myself. I’m currently running with a set of home made adaptors and use a cut down of the two EJ radiator hoses and one EA hose to make the setup work. It will be very similar to the EA81 setup - but I’m also running a lift so I have a bit more length to play with. I like your idea of turning that adaptor down. That’d be a neat solution. A custom pipe would be awesome but I don’t know of anyone who does this. Cheers Bennie