80 series, Multivalve or not is it worth the $$$

[Surfin Alec]

Thinking of getting a turbo 80. Been looking around and found some 92 - 94 models that seem to be good value. The 95 - 96 multivalves are rare as (as I am after an auto) and still cost a bomb. Is there a big difference (ie: power / economy).

Also what year 80's had the big end bearing problem??

Thanks,

Alec

[Shadow]

your talking about the 1HDT and 1HDFT engines

the 1HDFET is only found in late 100series and the E represents the electronic injection.

[Surfin Alec]

Bump,

Someone must have experience with the 2 types of Turbo diesels...

Alec

[MQ080]

Bump,

Someone must have experience with the 2 types of Turbo diesels...

Alec

PM dumbdance he currently has 1HDFT and has worked on a few of the 1HDTs in his time.

[alchemist]

Hi mate

I own a multivalve 97 40th anniversary turbo diesel 80 series...

In my opinion the 1HD-FT Multivalve is a great motor, heaps more grunt than the 1HD-T but can consume a bit more fuel than the 1HD-T (but I can't talk, i run 5 inch lift and 35's so that doesn't help)

The 1HD-FT has more things that can go wrong with it... roller rockers for example... the motor is built for revving but there is such things called 'collets' which get worn and can cause you to drop a valve like what happened to me a while ago... 1HD-T had shims/buckets and won't rev as much...

The 1HD-FT is a much nicer quieter sounding motor as well... which is a bonus... sounds like a petrol engine at times!!

The big end problems only existed in the 90-93 model 1HD-T 80 series cruisers... if you buy 1HD-T make sure you replace them anyways, it's only about a $500-$700 job but it's worth while...

If you have any Q's please don't hesitate to ask.. I'm an 80 series nut...

Check out my rig at http://www.western4x4.net/viewtopic.php?t=4 and also on page 2 were my engine rebuild pics

All the best...

Cheers
Dave

[Simo63]

Bump,

Someone must have experience with the 2 types of Turbo diesels...

Alec

I've had both an 93 1HDT and a 97 1HDFT. Personally I preferred the earlier motor as I found it to be torquier ... I know this is contradictory to what alchemist is saying but I can only say from my personal experience .. maybe I had a great 1HDT and a crappy 1HDFT, I don't know but I preferrred towing with the earlier model.

I can confirm what Alchemist is saying that the later 1HDFT is a bit more thirsty than the earlier one. The 97 only had 119K's on it but I did have my tappets adjusted on the it because it was unusually quiet when I first purchased it and I thought they might be tight and that was contributing to the lack of performance but that was not the case, some were tight but ony a few thou apparently. Anyway it didn't go any better once they were all reset.

I was present when the mechanic was adjusting the tappets and I was amazed at how jewel-like the upper rocker gear was .. bloody beautiful and a work of art ... also looked bloody expensive so if you get one, keep up the servicing.

Anyway, hope this helps. By the way, we are selling our 93 80 series auto turbo diesel. If you are interested, pm me.

Cheers
Simo

[HIL01X]

Arrrrgh, I just saw this after dragging up an old post, bugger it

Whats the life expectancy of these motors (96 multivalve)
Looking at one with 320 000k'ms on it.
What should I look for?
And in an 80series in general with that many K's?

[dumbdunce]

alec it is probably worth cutting and pasting my PM into this thread.

contrary to they other guys who have posted, my experience is that the 1HD-FT is by far the more economical and more powerful engine, although it may well need some tuning to get it there. my 80 (96 1HD-FT, 6" lift, 35's, steel barwork all round, winch etc) consistently delivers around 12 litres/100km, and most 1HD-T owners I know can only dream about anything lower than 14. If I take it easy, 11 litres/100km is possible. And the power and highway performance is awesome. the only place it might be slightly wussier than the 12 valve motor is right off the starting line, even with the fuel set up spot on, it has noticable lag.

the 1HD-FT was available in 80 series from 1995 to 1998, and although they are far less likely to suffer big end bearing failures, there are reported cases, and it's best to have it done. Anything over about $400 to have the BEB's replaced is robbery, it is not difficult and can be accomplished in 4 hours, the parts cost is about $100 for ACL brand bearings.


And as for noise yes there is no comparison, at anything above about 1700 rpm the 1HD-FT loses the direct-injecton rattle and I am pretty sure at highway speeds it is quieter than the petrol models.