2H Weakling or losing power?

[amore]

Is the 2H engine just underpowered or do I have a problem? Can't make even a modest sized climb at highway speeds without downshifting to 4th and then its still a struggle. Cruising at 70mph no problem until it has to climb.
Any suggestions for increasing power?

 

[ToyRoverlander]

I used to own an HJ60 (4speed) and it wasn't too happy with hills either. Often had to crawl up in 3rd gear. That said, I didn't like to rev its nuts off either..

More power? TURBO!!!!!!! Lots of info to be found here.

 

[kim]

Is the 2H engine just underpowered or do I have a problem? Can't make even a modest sized climb at highway speeds without downshifting to 4th and then its still a struggle. Cruising at 70mph no problem until it has to climb.
Any suggestions for increasing power?

That sounds absolutely normal. A turbo is your only option of increasing power without changing your engine.

 

[roscoFJ73]

It all depends on how many miles its done. Most of them are at least 20 years old now and will well and truly have lost their young legs.
I got to drive a HJ75 with the engine rebuilt by the owner,who was a mechanic,and it performed ok on the hills,but they still need to drop back to 4th.

If you live in North America and are used to driving large V8s, a 2H is always going to be lacking in power.
They were never designed for high speeds and are more at home bumping along a bad road with a full load at 40mph

 

[kim]

It all depends on how many miles its done. Most of them are at least 20 years old now and will well and truly have lost their young legs.
I got to drive a HJ75 with the engine rebuilt by the owner,who was a mechanic,and it performed ok on the hills,but they still need to drop back to 4th.

If you live in North America and are used to driving large V8s, a 2H is always going to be lacking in power.
They were never designed for high speeds and are more at home bumping along a bad road with a full load at 40mph

I've never had the pleasure of driving a fresh 2H but in the mountains here in BC, 3rd is your friend and 50-60 km/h is common.

 

[nlcruiser]

Yeah, I pretty much have to echo what others are saying. I have a 1989 2H with 250,000 kms, and it cruises fine on the highway until I reach a hill. If I wasn't able to get a solid run-off in preparation for an upcoming hill, if it's steep enough I have to at times drop to 50/60 km/hr. It is incredibly frustrating, especially if you are facing a head wind.

Often times it seems that all gearing down achieves for me is that it gets louder. Highway hills can often mean hazard lights speeds for me. I feel basically as if I were a fully loaded transport truck.

That being said, I did throw some fuel injector cleaner in it last week, and it did seem to have a noticable jump in its step...still not going to be getting any speeding tickets, but it did make it feel a little more livable.

 

[rchalmers3]

Can't make even a modest sized climb at highway speeds without downshifting to 4th and then its still a struggle. Cruising at 70mph no problem until it has to climb.

Are these symptoms presenting all of a sudden or did you hop in your newly purchased used truck and get a sense of disappointment?

There are solutions to offer either way, but a little direction will narrow the possibilities.

Rick

 

[2aroundtheworld]

Absolutely normal - sorry.