now, should he post up the firewall tag showing the engine code as HZ-T then a believer i will become.
x2.
Juan
Factory 1HZT (2 Viewers)
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x2.
Juan
With reduced compression, better A/F ratios and stronger pistons it'll be fine. You know, an engine that was engineered to do just that from day 1.
The opposite of taking a high compression IDI diesel and strapping a turbo on.
When you buy 1hz-t pistons and rods the compression is lowered from using 1hd-t rods.
I'm finding it a pain in the ass to find a AFR gauge at a decent price just for tuning. Everything is around the $200 mark and the usual AFR gauges only go to 20:1
...via IH8MUD app
I'm finding it a pain in the ass to find a AFR gauge at a decent price just for tuning. Everything is around the $200 mark and the usual AFR gauges only go to 20:1
...via IH8MUD app
that is the one that will probably end up with.
chappohj47
Chappo Built
Show us the fire wall tag looks like a 1hdt head to me even though bottom half might be more 1hz
crushers
post ho
that looks like a 1HZ head and block but a HDT cross over and might be a HDT turbo setup onto a 1HZ.
it isn't like the seller knows what he has, the ad says it is an isuzu engine (duh)
it isn't like the seller knows what he has, the ad says it is an isuzu engine (duh)
Read post 157.
chappohj47
Chappo Built
I was just watching my new issue of 4wd action Australia DVD issue 221 and the bloke has an 80 series and I swear he said it has a 1hz-t in it some one else watch it and double check
Probably did say that. I'm about to have a 1HZ-T in my HZJ77 but it doesn't mean it came factory that way.
There are engine rebuilders in australia turning 1HZ into 1HD T using factory and aftermarket parts. A lot of turbo companies call them 1HZ T after they have added a turbo.
DamoPeru
SILVER Star
who said you couldn't find a needle in a haystack
01/1994 TOYOTA COASTER (HZB50R-ZRMRXW1)
STD EUR RHD HRF 1HZT TD MTM 5F IV WOC
unfortunately you can't read the VIN (chassis No.) on its own, it's TWO43PB5009000097, but its clearly a HZB50. If someone knows how to crosscheck an engine number, be my guest.
this one's still running strong after 20 years, well after the guarantee period i would think
. In my search I found there are actually quite a lot of these Caetano Optimo III still running around today. That's enough evidence for me to believe that the 1HZ-T was factory engineered, produced and ultimately a success.
The 1HD-T may have been the better option for toyota to choose being DI, but that doesn't mean the 1HZ-T developed in parallel isn't a reliable option... of course I mean a real 1HZ-T with the factory internal parts that make it different from the 1HZ, not just slapping on a turbo kit.
01/1994 TOYOTA COASTER (HZB50R-ZRMRXW1)
STD EUR RHD HRF 1HZT TD MTM 5F IV WOC
unfortunately you can't read the VIN (chassis No.) on its own, it's TWO43PB5009000097, but its clearly a HZB50. If someone knows how to crosscheck an engine number, be my guest.
this one's still running strong after 20 years, well after the guarantee period i would think
. In my search I found there are actually quite a lot of these Caetano Optimo III still running around today. That's enough evidence for me to believe that the 1HZ-T was factory engineered, produced and ultimately a success. The 1HD-T may have been the better option for toyota to choose being DI, but that doesn't mean the 1HZ-T developed in parallel isn't a reliable option... of course I mean a real 1HZ-T with the factory internal parts that make it different from the 1HZ, not just slapping on a turbo kit.
crushers
post ho
Yan-Wiki will be proud of you.
Now i won't hear the end of it from him "see, i told you the Unicorn does exist"!!!
we have 3 1HZ blocks to rebuild, Yan will order in the turbo version parts for the rebuild. we can check the differences once the parts arrive.
and
we can test one against a stock 1HZ with turbo added.
thanks for the pics and the search.
Now i won't hear the end of it from him "see, i told you the Unicorn does exist"!!!
we have 3 1HZ blocks to rebuild, Yan will order in the turbo version parts for the rebuild. we can check the differences once the parts arrive.
and
we can test one against a stock 1HZ with turbo added.
thanks for the pics and the search.
Cool good find.
It would be neat to see if they ran a 1hz or 1hd-t pump on it from the factory.
It would be neat to see if they ran a 1hz or 1hd-t pump on it from the factory.
DamoPeru
SILVER Star
They used a unique pump, earlier here I posted it's tuning specs. It is a 10 mm without boost compensator.
It just seems weird that a boost comp wasn't installed.
My truck ran so much better once I added one on.
My truck ran so much better once I added one on.
DamoPeru
SILVER Star
what I find interesting is the history of turbo diesel coasters around that era:
12HT until 1989
1HDT 1990 -1992
1HZT 1993-1996
15BFT 1996 - 2006
15BFTE 1999 - 2006
so for what ever reason, the 1HDT (with boost comp.) was only offered for two years in a coaster and was then ditched from entire line of coasters in favor of the 1HZT for 3.5 years during which it was the only TD coaster manufactured, until then replaced by the 15BFT.
12HT until 1989
1HDT 1990 -1992
1HZT 1993-1996
15BFT 1996 - 2006
15BFTE 1999 - 2006
so for what ever reason, the 1HDT (with boost comp.) was only offered for two years in a coaster and was then ditched from entire line of coasters in favor of the 1HZT for 3.5 years during which it was the only TD coaster manufactured, until then replaced by the 15BFT.
Some great info you found Damien..now where are all those non believers now like Roscowho said you couldn't find a needle in a haystack
01/1994 TOYOTA COASTER (HZB50R-ZRMRXW1)
STD EUR RHD HRF 1HZT TD MTM 5F IV WOC
unfortunately you can't read the VIN (chassis No.) on its own, it's TWO43PB5009000097, but its clearly a HZB50. If someone knows how to crosscheck an engine number, be my guest.
this one's still running strong after 20 years, well after the guarantee period i would think
The 1HD-T may have been the better option for toyota to choose being DI, but that doesn't mean the 1HZ-T developed in parallel isn't a reliable option... of course I mean a real 1HZ-T with the factory internal parts that make it different from the 1HZ, not just slapping on a turbo kit.
I wonder if they feel like some humble pie ?
Akella, was this pic from a caetano or a coaster ?
crushers
post ho
tangent:
it was interesting, in the past the die hard anti jeep cruiser crowd refused to admit that the J in the description was for Jeep and not Japan.
in HZB ****, the B stands for Bus as the J stands for Jeep
carry on.
it was interesting, in the past the die hard anti jeep cruiser crowd refused to admit that the J in the description was for Jeep and not Japan.
in HZB ****, the B stands for Bus as the J stands for Jeep
carry on.
