Toyota models difference
Submitted: Friday, Aug 21, 2009 at 19:18
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Member - Marco T (VIC)
I have been looking at the specifications of some Toyota's.
What is the difference between the HDJ78/79 motor (380Nm) compared to the HDJ100R (430Nm)? Are they the same motor?
Thanks
Marco
Reply By: Member - ross m (WA) - Friday, Aug 21, 2009 at 20:12
Friday, Aug 21, 2009 at 20:12
Same motor ,but the HDJ100 got an intercooler. Apparently it restricted the airflow around the engine too much on a 78/79 series.
Although Toyota do have a history of giving the top shelf models more HP than the plumbers truck.
If you put a bonnet scoop on a 78/79 I cant see why the intercooler woudnt give you similar HP and Nm
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Follow Up By: Member - Timbo - Friday, Aug 21, 2009 at 21:01
Friday, Aug 21, 2009 at 21:01
Yeah, just look at the difference in figures between the new 76/78/79 and the 200 which have the same 4.5L V8! (the 200 gets an extra turbo)
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Follow Up By: Geoff (Newcastle, NSW) - Friday, Aug 21, 2009 at 21:07
Friday, Aug 21, 2009 at 21:07
Hi
Ross,
The article I have here in an older 4wd magazine has an interview with a Japanese gent who's described as the godfather of Landcruisers.
This particular fellow says there wasn't any room behind the grill of the HDJ78/79 to fit the intercooler. In that era the intercooler in the HDJ100 reside behind the grill and in front of the radiator.
In effect an air conditioned HDJ100 is 3 radiators thick in that area!
It wasn't until the addition of the V8 diesel that the intercooler moved to the top of the engine. Which is why the new 76/78/79 Series all have a grill area similar to the model they replaced.
Geoff
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Follow Up By: Members Paul and Melissa (VIC) - Friday, Aug 21, 2009 at 21:49
Friday, Aug 21, 2009 at 21:49
Aparently the pump is different too!
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Reply By: Rhys - Friday, Aug 21, 2009 at 20:16
Friday, Aug 21, 2009 at 20:16
HDJ has an intercooler fitted not sure if there are any other changes , Rhys.
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Follow Up By: Rhys - Friday, Aug 21, 2009 at 20:19
Friday, Aug 21, 2009 at 20:19
whoops to slow, Safari do a intercooler kit for them, Rhys.
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Reply By: Member - Phil G (SA) - Sunday, Aug 23, 2009 at 19:50
Sunday, Aug 23, 2009 at 19:50
As mentioned above, same 1HD-FTE motor but on HDJ78/79 is not intercooled; but other differences are there is no immobiliser on the injection pump (so the key is a simple $6 key - no transponder); and the 78/79 has a single N70 starting battery instead of the twin N50 batteries on the HDJ100.
The HDJ78/79 is the only factory TD model with a rigid front end since 1998, which is a lot of the appeal.
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380183