Dougal

Why would you want either of these flawed engines when you can get a third gen 4Runner (which apart from LBJs is in all ways a better vehicle than a second gen) with the near flawless 3RZ or 5VZ engines? And the left-handed configuration to suit...

I made a sticky thread on 4btswaps with that info all in a nice place: OM606 Turbo Sizing. - https://www.4btswaps.com/threads/om606-turbo-sizing.112018/

Is the manifold flat with a straight-edge check? If not get a machine shop to face it. MLS gaskets are used because they're the only thing that lasts and allows the movement necessary.

I don't think an air to air would be less work, but ask me when I'm done. I like that the factory water to air setup is OEM, charge piping is tight and tidy. With how tight the spaces are in this truck, it would take a lot of work for me to get...

What are the wheel measurements on the HE250 and which engine is it off? One big problem with the Toyota turbos is no published compressor or turbine maps. But we can estimate them pretty well from measurements. The biggest problem with the...

'Just get rid of the ACSD'. A common reply on the forum - if this is your firmly held opinion, you may not wish to read any further. I'm not trying to persuade anyone to do one thing or another, just interested to discuss/learn about the...

FYI, your choice of text colour is totally unreadable for anyone who uses the dark screen option for viewing Mud

Yeah the TD05-16G large (48.5mm inducer) is too large and always runs in an area of low efficiency. You need a better sized compressor. 16G small (46.5mm inducer) is better but still not a good fit for these engines. Also 7cm turbine housing is...

Would a front air/air intercooler be less work and more cab space than making a new dog-house?

Finally had a free weekend to work on the truck. I haven’t been great with updates here, it takes time, but figured I’d give a quick rundown of where I’m at. I decided to get my radiator recored and the end tanks modified so the inlet/outlet...

Turbos normally have labyrinth seals which always leak. On a healthy turbo they leak inwards. So exhaust and boost leaks into the core, down the drain and into the crankcase. If the engine has too much crankcase pressure then the turbo will...

Reposting this from the other thread: 1HDT BEBs Unique Problem - https://forum.ih8mud.com/threads/1hdt-bebs-unique-problem.1366720/ Yes it's a cavitation/resonance problem that causes the damage and it's probably at that rpm. I think the...

3% fuel is a lot after 3000 miles. Are you doing a lot of short and cold running?

Yes it's a cavitation/resonance problem that causes the damage and it's probably at that rpm. I think the reason Australia found this problem early and NZ didn't was because Australians spend a long time at constant speed where Kiwi's don't...

The better your turbo is the less time you spend off-boost.

I’m selling mine sadly but I have a 1990 1hdt hdj81 I did the g turbo grunter the pdi intercooler with custom air box and snorkel from moonlight fabrication. I did sea performance exhaust. I rebuilt the injection pump and did new injectors and...

The cooling problems are related to the rich tune. Diesels get a lot of their cooling from excess air and the richer they run the hotter they run. IDI diesels also run hotter than others. Running a leaner tune really helps the heat. VW tdi is...

Boost isn't the problem. A/F ratio is. It's the combination of boost, fuel and timing that kills engines. 7psi isn't enough. I'd go 10psi. At 7psi you can only safely increase fuel by 10% (18:1 under load) which will give you a whopping...

Remote turbos are the worst idea on diesels. They don't have the high exhaust energy/temp that petrols have so response would really really suck. The problem with the 2L engines (and other japanese IDI) is they run at stoich under full load...

At this point, the oil cooler and oil cooler cover have been replace, the head resurfaces and a new Toyota head gasket installed and the turbo coolant lines have been bypassed. Made several round trips to town (1 hour each way) and a 100 mile...

You might have noticed that all heavy machinery run donaldson or equivalent cyclonic filters. Because nothing beats them for the ability to throw out dust and keep filtering. The 4wd action test was using 5 micron particles which are relatively...

Stretched 300mm

It's a cavitation problem in the crank, so they need regular replacement. Oil analysis will show anything loose, but it won't show a chunk of bearing material that's fatigued and about to let go. Change them every 100,000km.

Is that an old 165 still doing the job?

You and me both! I've got a clutch to do on a TD42 in the next few weeks so I'll weigh that while it's out. It will be interesting to see how the competition compares. A place I work has a few old 2Hs sitting in the yard. From memory they're...