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3rd September 2019, 08:02 AM
#61
Daily Lurker
That sounds about right mate, how many car manufacturers have you seen where emmisions get propped up at a cost to performance.
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3rd September 2019 08:02 AM
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3rd September 2019, 08:26 AM
#62
I know with mine, until the engine reaches operating temp it will puff out a lot more black smoke than usual. My last snow trip past Marysville, the water temps got down as low as 45c on the downhill run and then along the flats out of there it was like puffing billy until the water temps got back up there. The weather is warming so I wont even bother with putting a hotter stat in. But then again, Im curious to see if a hotter stat will benefit or not during the warmer months.
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3rd September 2019, 08:42 AM
#63
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What is a TD42’s official operating temp Mark mate? That was one of my first queries I believe?
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3rd September 2019, 02:57 PM
#64
Patrol Guru
Originally Posted by
mudski
I know with mine, until the engine reaches operating temp it will puff out a lot more black smoke than usual. My last snow trip past Marysville, the water temps got down as low as 45c on the downhill run and then along the flats out of there it was like puffing billy until the water temps got back up there. The weather is warming so I wont even bother with putting a hotter stat in. But then again, Im curious to see if a hotter stat will benefit or not during the warmer months.
This goes along with what I was thinking though.. surely even if you put a hotter stat in the cooling system will still work at the same efficiency.. i.e. you would have the same chance of overheating with a 76deg or 88deg stat.
Yes the water gets warmer in the engine.. but it also has more chance to cool in the radiator..
I've never tested this but it makes sense in my head.
2003 GU TD42 with a few extra ponies
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3rd September 2019, 03:03 PM
#65
Originally Posted by
MB
What is a TD42’s official operating temp Mark mate? That was one of my first queries I believe?
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Water temp? What ever the stat is rated at would think.
Originally Posted by
0-TJ-0
This goes along with what I was thinking though.. surely even if you put a hotter stat in the cooling system will still work at the same efficiency.. i.e. you would have the same chance of overheating with a 76deg or 88deg stat.
Yes the water gets warmer in the engine.. but it also has more chance to cool in the radiator..
I've never tested this but it makes sense in my head.
Not so much of having more chance once the water cools to the stats range it will shut anyway. So a higher rated stat means it will shut earlier when trying to cool down, only cooling the water in the radiator and not the engine. IF the stat is shut that is. But by then its cool enough anyways.
confusing shite...
Last edited by mudski; 3rd September 2019 at 03:19 PM.
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3rd September 2019, 04:05 PM
#66
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I think I posted earlier that my 6.5Chev manual clears states its operating temp (water) as 88C and its max at 125C before catastrophic failure I guess:-) It also states other temps like oil etc...
I believe I have read unofficially somewhere that a TD42 max operating temp was something like 117C but buggered if I have been able to find Nissan’s operating temp?
I believe most tropical TD42 drivers with 76.5C thermostats find in reality they run full open and in the 80’s somewhere as a minimum and much higher under demanding conditions anyway?
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3rd September 2019, 04:17 PM
#67
Originally Posted by
MB
I think I posted earlier that my 6.5Chev manual clears states its operating temp (water) as 88C and its max at 125C before catastrophic failure I guess:-) It also states other temps like oil etc...
I believe I have read unofficially somewhere that a TD42 max operating temp was something like 117C but buggered if I have been able to find Nissan’s operating temp?
I believe most tropical TD42 drivers with 76.5C thermostats find in reality they run full open and in the 80’s somewhere as a minimum and much higher under demanding conditions anyway?
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Ah ok... Yeah without looking I think it is 117c is their danger level. I've had mine past that. Dragging the camper through the snowy mountains, crawling up massive inclines near Corryong in 44c temps. Wasn't fun.
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3rd September 2019, 05:33 PM
#68
my brother bought a diesel vw last year and it sits on 99-100 degrees and gets 5 lph . i think that the older cars engines being bigger and not as efficient put out more heat and keeping the engine temps low ( 76d ), in hot ambient temps would make the car more comfortable to ride in and help the air con do its job. i have a mate with a old xp falcon ( no air con ) and it got uncomfortably hot to ride in , so much so that he put insulation on the inside of the firewall and it helped quite noticeably
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4th September 2019, 07:27 PM
#69
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20th September 2019, 11:18 PM
#70
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TD42 - All Variants Aussie Water Thermostats
Finally some half decent weather down here earlier today to record some more TD27 88C winter thermostat findings in the old TD42Test.
As per last highway runs record it appears to have now increased all numbers by approximately 1-2C.
So previous range of 80/90/100/110kmph with temps of 88/89/90/91C have today now jumped to 89/90/91/92C and a sneak into 93C at one short blip up and back.
Off highway/freeway gave it another top flogging 575EGT’s up our test hill and did manage to score 96C briefly.
Not too stressed at this stage as previous 88C TS pot tests showed full open wasn’t until 98C.
EDIT: Idle has now come up to 89C too IIRC
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Last edited by MB; 20th September 2019 at 11:22 PM.
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