Why Turbo?

[Gold Boy]

Are turbines more trouble then they are worth for hard working off road diesel engines?
That heat issue seems to be worring a lot of people out there?

Thanks

GB

[Eric Winkworth]

no not at all, people just wanna get the most out of there turbo, although I do think that you can reck a motor pretty easy if you don't watch those EGT's. My 3b doesn't have a turbo and will never have a turbo, but I like the power it has, she is a nice truck to drive when you know just how much to give it and when to shift. IMO!

I just like how she climbs hills in 4 lo!

On the other hand, I sure do wish she was a 13bt, but I don't care enough to spend the money on a turbo. When the 3b dies we will see!

[Gold Boy]

I have a 13BT, sure I like it lots. But my BJ74 13BT has only "ok "high end power (she is n great condition) and great low end... uuumm seems a little like your 3B Eric? I have to admit that more cubes and less turbos and stuff is the way for me.

Thanks

GB

[brownbear]

Originally Posted by Gold Boy

I have to admit that more cubes and less turbos and stuff is the way for me.

GB

no way for me! I like smaller engines that consume less fuel and can be dialed up for optimum performance. the big v8's and stuff no longer interest me.

turbo's arn't a hassle. but people love to tune. If you want more power just crank up the boost a bit and add some fuel.

the reason temps are noted is cause in order to get the extra power you need to monitor it with a pyro gauge. Which even non turbo'd guys should have. a regular ole 3b can still get super hot, hot enough to fawk the engine life.

that is regardless of turbos.

heat is a diesel thing.

[Gold Boy]

Thanks Brown Bear do you think a turbo could contribute to more to engine problems than when you do not have one as it is one extra moving part?

GB

[brownbear]

oh for sure, a turbo would be one extra part in a simple system. it could fail.

but many feel a diesel with out one is only half an engine. diesel's are made for a turbo.

A turbo can give you much lower temps.(egt) enabling you to push harder. But if you drive it like you would the normal 3b, it would be running much better, probably extending engine life.

but having the extra power it will get used. so that effect is probably lost.

Currently Iam putting on a turbo, but driving before I had lots of hills that really got the temps up, a turbo would definately help it breath and be cooler.

[Island Moose]

Originally Posted by Eric Winkworth

When the 3b dies we will see!

See you in 2020!

[Gold Boy]

turbo can give you much lower temps.

This is true BB, however its turbo itself which gets hot and can fail? I have a freind who has over 400000 kms on the clock with 3b engine, so may be it is possible to get 500000 or 600000 kms with a turbo?


Thanks

GB

[silvercrusher]

A turbo is just like any other piece of equipment it has bearings that will fail when its there time or you cook them by not idling for awhile on shutdown. They are easily rebuilt and the pro's far outweigh the con's. I am one who believes all diesels are meant to be turbo'd,and blown,and intercooled, but hey i'm a diesel lover.

As for your low end problem get the propane on there. Propane is a catalyst for diesel which allows it to flash easier. The less energy you put into the burning of the fuel the more you are going to get to the wheels and the faster that turbo spools up. Just do it . You won't regret it. Unless of course your chicken. Haha

Cheers

Challis

[tmarx]

Hi Guys.I am stil an infant when it comes to all the Tech but i am learning all the time. I wanted to do an engine swap on my 105 1HZ but have decided to go for an AXT Turbo with the optional OIL Cooler. Any advice?What are the advantages of"adding extra silicone oil to visco fan"? Thanks THEO

[Gold Boy]

I do not want to give wrong impession here that I am totaly against turbos and there benefits, after all I am 13 BT owner and quite like my water cooled turbo. Thoe I wonder how much a small diesel engine that revs up to make its HP puts out in pollution?
Propane (104 octane) injection works well with diesel and has far less moving parts (are there any moving parts?) high compresion and propane are good friends. Do you think the stock valve seats in a 13BT are can handle the heat of propane injection? Where do you locate the propane tank?

But what do I know

GB

[Gold Boy]

I am just a rookie....

Thanks

GB

[Vegard]

Here's a 3B which had 500 000 kms in 2004. The previous owner used it for hauling a trailer with his sled dogs. From what I heard, the gearbox was rebuilt within the last year. They can go far also without a turbo, no doubt.
http://cc.oulu.fi/~thu/LC/Photos/1989BJ75LV-MRW/

[Gold Boy]

Thats great! Hows does she run now?

Thanks

GB

[Vegard]

Since it was sold, I don't know. But assume it works just fine. I will ask the previous owner if he knows anything about it next time I talk to him.

[Gold Boy]

That would be interesting.

Thanks

GB

[crushers]

Originally Posted by Gold Boy

. Do you think the stock valve seats in a 13BT are can handle the heat of propane injection? Where do you locate the propane tank?

But what do I know

GB

propane injection actually runs COOLER not hotter...
cheers

[Gold Boy]

Thanks Wayne

Would like to find out more.

GB

[blownbj]

Any engine can fail with or without turbo. My 3B actually busted the cam shaft the first time around with no modification what so ever. It had under 200000km on it and it just spin the cam bearing and pop went the cam shaft. Any thing can fail at any time but the key to longevity is taking care. The little bj sports a big AXT kit and I'm currently pushing high boost pressure and the engine never seemed to run better.

[eurotrash]

I have owned several yota diesels like the 2L, 2L-T, 13BT etc. Driven them for years and years, so did most of my friends.
I also used to work a lot on those engines (so i could finance my yota hobby), putting turbo's and intercoolers on, fiddling with the injection pumps etc. etc. until I got a 4R and switched to gas.
From my 15 years and several 100.000 km's of experience I can say only this:
the amount of abuse you give her determines the lifespan of the engine, not the turbo. The turbo makes life a lot easier for the engine.
Warming the engine up before using it hard (or letting the turbo spool down before shutdown) seem to be the most important factors here.

On a side note: NA diesels are not that common in Europe, only the very old ones are. The majority of diesels have a turbo and most of those have an intercooler too. Not just Toyota's, even the Ford's, Daewoo's and all other crap.

[Towpack]

When you buy a vehicle with a standard OE factory turbo installation your getting a powerplant that's pretty well sorted.When you start trying to tweak the turbo or the fuelling or retro fit a turbo to an engine that wasn't designed to take one you're going to hit problems.Yes,you may be able to extract more power and torque but sooner or later there'll be reliability issues.

That's just my thoughts on the matter.

[Gold Boy]

Wow, I had no idea folk would be so passionate about turbines. Please more opinions, I am learning a lot of stuff.

Thanks a lot

GB

[Gold Boy]

Here is question. Do you have to lower the compresion in 3B engine for a turbo?

GB

[Deny]

Gold Boy,
Try talking a local BJ42 or BJ60 guy into swaping trucks for a test drive. I don't know if you have ever had a non-turbo diesel, but driving any long distance with hills is a bit of a pain. If you don't mind shifting down to 2nd gear and taking your time, than non turbo is ok, hell it is ok now, but I can not wait for a turbo, it just makes life so much nicer.
Cheers,
Deny

[Gold Boy]

Hi Deny,

I will confess having never driven a non turbo diesel.. Now the cat is out of the bag.

Thanks

GB

[Eric Winkworth]

I have never drivin a LC turbo diesel, I have driving new Sterlings at work with every variation of motor and turbo, but it just doesn't compare to the feeling of getting in the little BJ and driving it away. I think it is almost a good thing I don't have a turbo diesel LC to compare too.

lol, I can spend my money on a lift!

[Gold Boy]

Eric

Its a TLC thing, but don't tell anyone I also like my 78 chev pick which is chev thing LOL.

[Vegard]

Originally Posted by Gold Boy

That would be interesting.

Thanks

GB

Asked about this 500 000 km 3B in the 75, here's the answer I got:

He wanted it to replace
his very old Mitsubishi pick-up to be used mainly for moose hunting and minor transport tasks around
the house. He is retired and I can't imagine him using the 75 for any long-distance driving, so I
suspect that it has got only a few more km on the clock since change of owner, when it had about
510.000 km.