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Blanc



Member Since: 14 Jul 2016
Location: Suffolk
Posts: 30

Thanks Greeni. Very interesting.

After swapping from a cold running tdi I'm paranoid about heat. Everything to do with the V8 is so hot. It seems perfectly able to regulate itself but seems to radiate from everywhere.

The heater is very good though!

D.

Post #643505 12th Aug 2017 7:51pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

It is a massive difference than running a diesel!
I run thermo-tech on the manifolds to help, but I've found a hot spot on the bonnet, though I'm thinking of running a discreet vent to allow it to escape, I'm trying avoid a big reverse air scoop.

A friend runs a Subaru rally car and they put big holes on the back of the scoop and that helped massively. Scumbag.

Post #643515 12th Aug 2017 8:47pm
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V8GPC



Member Since: 18 Jul 2016
Location: Manchester
Posts: 117

United Kingdom 

I run a Defender 50th with the 4.0L GEMS V8 and don't have any extra cooling holes or fancy exhaust wrap; although the whole lot gets warm, the temp gauge stays where it should and the engine doesn't overheat.

It does have the proper radiator; with oil cooler. (which is bloody expensive to replace compared to others); so is either rare or has some extra cooling...

The 50th has aircon with an additional radiator for cooling the gas and twin electric fans, these are only for air con purposes and controlled by the ECU. If excessive engine temp the air con stops working, so I guess LR looked into all the cooling.

Standard viscous fan that comes in/out of locked when at normal temp, again suggests all is ok

The 50th doesn't have side vents in the wings either.

The only thing I've done is change the drivers top wing vent from solid to a grill, more for aesthetics has its a nice aluminium and stainless grill rather than plastic, so it should let some warm air out.

Extra holes will always help; but not a necessity; a radiator in good condition and a working fan should be sufficient.

Post #643602 13th Aug 2017 12:32pm
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Blanc



Member Since: 14 Jul 2016
Location: Suffolk
Posts: 30

Mine has never looked like overheating. It just kicks out heat like nothing else I've owned.

Post #643717 13th Aug 2017 9:59pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

Running temperature is spot on, everything is new so no worries there. Scumbag.

Post #643727 13th Aug 2017 10:17pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

I did a start up video for a guy on Instagram.

Nothing exciting, but V8 though Mr. Green

 Scumbag.

Post #645796 23rd Aug 2017 6:50am
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Mash



Member Since: 09 Feb 2015
Location: Where ever HRH feels I'm best placed
Posts: 1029

Guernsey 1998 Defender 90 300 Tdi HT Nato Green

Always love the sound of a V8 and yours is spectacular Greeni Thumbs Up 90 wolf - Jasmin http://www.defender2.net/forum/topic39408.html
90 V8 - Maggie http://www.defender2.net/forum/topic42564.html
D3 Hse - Fiona
Capri 2l S - Anna

Post #645805 23rd Aug 2017 7:41am
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 4018

England 

Thats my fix for tonight Very Happy Very Happy Very Happy Very Happy Very Happy many thanks GREENI Bow down 1996 Golf Blue 300Tdi 110 Pick up. Keeper.
1988 Land Rover 90 Blue (project )
McCormick International B414 Tractor.

Clayton.

Post #645963 23rd Aug 2017 9:25pm
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Pickles



Member Since: 26 May 2013
Location: Melbourne
Posts: 3147

Australia 2013 Defender 90 Puma 2.2 CSW Keswick Green

Sounds lovely Greeni,...I can't remember if you've ever put up a sound video of that V8 working really hard?..flat out drive by etc, in maybe 3rd or 4th?...don't know how many gears you have!
Pickles.

Post #645993 23rd Aug 2017 11:25pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

Thanks guys.
A mate has just bought a GoPro drone....I'll see what I can do Mr. Green Scumbag.

Post #646014 24th Aug 2017 6:34am
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L110CDL



Member Since: 31 Oct 2015
Location: Devon
Posts: 4018

England 

^^^^ Awesome Cool 1996 Golf Blue 300Tdi 110 Pick up. Keeper.
1988 Land Rover 90 Blue (project )
McCormick International B414 Tractor.

Clayton.

Post #646149 24th Aug 2017 8:51pm
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shanecl



Member Since: 20 Mar 2013
Location: Louth
Posts: 110

Ireland 1989 Defender 110 V8 Petrol PU Bonatti Grey

Looking savage Greeni, mad to get mine on the road after hearing the purr.

Been caught up in house DIY, haven't been on here in a bit Sad

Post #646243 25th Aug 2017 11:35am
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

Nice to hear from you. Hope things are good with your new addition Thumbs Up Scumbag.

Post #646342 25th Aug 2017 9:14pm
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GREENI



Member Since: 22 Aug 2010
Location: staffs
Posts: 7477

United Kingdom 1985 Defender 90 V8 Petrol ST Auto Keswick Green

JOW240725 wrote:
Does sound great! You must be cuffed!!

I know it's not really about 0-60, but I'm curious roughly what are you talking?



So I'm sat waiting for Mrs G to open up the gates and I started pressing the button on the speedo.....and found these functions Shocked Shocked Cool Cool

(The dust is a feature with never rolling the roof down )



Click image to enlarge




Click image to enlarge
 Scumbag.

Post #646603 27th Aug 2017 5:33pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 3817

United Kingdom 2006 Defender 110 Td5 SW Epsom Green

V8GPC wrote:
I run a Defender 50th with the 4.0L GEMS V8 and don't have any extra cooling holes or fancy exhaust wrap; although the whole lot gets warm, the temp gauge stays where it should and the engine doesn't overheat.


Although if the 50th is as closely related to the NAS V8's, then there will be a regulator in the temp guage loom to fool you into thinking the temperature is staying constant. It's just a voltage regulator to keep the needle somewhere in the middle Shocked Shocked Shocked

Post #646605 27th Aug 2017 5:43pm
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