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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8149
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
^^ i concur with this, i was surprised to see a coolant and egt drop. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1056715 8th Jan 2025 8:46pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 589
United Kingdom 
Most probably my mistake in that naks didn't say the coolant temp had dropped..that's just me making another assumptionšŸ˜«, and relating the coolant to the mention of a drop in exhaust gas temp...
Still find any drop in running temp odd when adjusting ratios in that way mind, but 20 deg on exhaust temp which can fluctuate wildly is possibly not meaningful..
Post #1056719 8th Jan 2025 9:16pm
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ashtrans
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Member Since: 08 Nov 2008
Location: Harpenden
Posts: 259
United Kingdom 
Naks wrote:
Finally managed to go for a highway drive after we got back from the holidays, and it is such a pleasure to drive now!

At 120kmh (speedo) it's sitting a tick over 2000rpm, running much easier than before.

EGT is also down about 20C, and oil pressure is down by about 0.2 bar.

All in all, a really nice mod, pity the transfer case didn't die sooner, this would have made a major difference to my fuel consumption over 10 years Rolling with laughter


Great feedback,

glad you are pleased with the gear set Thumbs Up Dave
Post #1056842 9th Jan 2025 8:29pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2443
Chile 2007 Defender 110 Puma 2.4 SW Chawton White
Naks wrote:
Finally managed to go for a highway drive after we got back from the holidays, and it is such a pleasure to drive now!

At 120kmh (speedo) it's sitting a tick over 2000rpm, running much easier than before.

EGT is also down about 20C, and oil pressure is down by about 0.2 bar.

All in all, a really nice mod, pity the transfer case didn't die sooner, this would have made a major difference to my fuel consumption over 10 years Rolling with laughter


Did you get to fit the larger sump? Puma 110" SW

.............................................................
Earth first. Other planets later
Post #1056884 10th Jan 2025 11:54am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2649
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
^ yes, indeed. I haven't looked at the transfer case oil temperatures though.

After a few hundred kms, I have noticed that the pre-fitment drivetrain issues have come back: the clunking when coming to a stop, the vibrations, and the high-pitched whine.

The car now also 'grabs' when I come off the accelerator, and where before I could idle in 2nd gear, it now jerks and stalls.

So not too sure if the latter is as a result of the different gear set, or if there was a fitment error, or what... --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #1058773 28th Jan 2025 6:23am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8149
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Props ref drive train knocks etc? What are they like?

You mean coast at idle revs with in 2nd? Going to that gearstick it won't pull it at those revs and will stall, function of the gearing I would have thought. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1058774 28th Jan 2025 6:53am
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2649
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
Some clunking when coming to a stop, drivetrain vibrations at 2000rpm, high-pitched whine when coming off the throttle

Yep, coast at idle in 2nd, although I do get that this is the new gearing.

But the sudden grabbing when I come off the throttle is very off-putting. --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #1058803 28th Jan 2025 2:52pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8149
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Handbrake getting warm? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1058823 28th Jan 2025 6:46pm
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Naks



Member Since: 27 Jan 2009
Location: Stellenbosch, ZA
Posts: 2649
South Africa 2010 Defender 90 Puma 2.4 SW Alpine White
^ can't say that I've noticed any increase in temps.

A bit difficult at the moment as ambient is +-40C --
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
2015 Range Rover Sport V8 Supercharged



Defender Puma Workshop Manual: https://bit.ly/2zZ1en9
Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO
Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ
Post #1058876 29th Jan 2025 1:47pm
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