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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 338

United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
Turbo Actuator Rod
Heloo, Can someone tell me what the best pressure for a stage two remap is on a td5, what the limit is, and which way you wind the Act rod to get this up.
Post #251872 17th Jul 2013 2:23pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Shorter for more boost. Stage 2 is generally 9/10 threads showing, less will give you more boost but your engine will go bang Big Cry Big Cry You have been warned. Be best to check with who fitted your stage 2 though as it should compliment your fueling Thumbs Up
Post #251882 17th Jul 2013 3:06pm
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diesel_jim



Member Since: 13 Oct 2008
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Posts: 6037

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
And unless you've got a boost box (or the ECU has been modified inside, or maybe a special tuning file) then as soon as you raise the boost, it'll go into limp home mode.

With the instructions you get with most boostboxes, the optimimum pressure seems to be around the 18~19psi area.

The only accurate way to measure it is to get a pressure guage. Yes, you can shorten the rod, but you don't know where you're starting from.
Post #251884 17th Jul 2013 3:08pm
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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 338

United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
yep i have a boost box and i have a turbo guage, oil temp and pres guage you name it, thanks for the advice i just need to get an oil cooler now as i am Censored scared or knackering my engine even though it is Bloody fast!.
Post #251890 17th Jul 2013 3:15pm
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diesel_jim



Member Since: 13 Oct 2008
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Posts: 6037

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Engine oil cooler? it's already got one, bolted to the side of the block, under the oil filter housing.
Post #251891 17th Jul 2013 3:16pm
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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 338

United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
really, why do race td5 have an oil cooler then, (at least two from the LRO and at perth hill rally a few had'em) i thought that you needed one, that is great news if i dont....
Post #251892 17th Jul 2013 3:18pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
Too much boost causes the head to float (even though the latter TD5 engines have dowls). Quality oil, genuine filters and changes 6000 should see you right.
Post #251893 17th Jul 2013 3:19pm
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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 338

United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
ok cool. dod you know much about back pressure, does this affect the engine at all, ie atm, it only has the back sound mod, but if i take it off and make it straight through will it affect it much?
Post #251894 17th Jul 2013 3:21pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
It'll hurt your ears plenty !!!! and why ? For off road use ok but on road ??? I'm sure the police will appreciate it and stop you regularly, and I doubt it will be to admire and compliment you Rolling with laughter
On a TD5 it should make no difference, Back pressure as I understand affects the puma's as they have more electronics due to controlling emissions.
Regards your oil cooler- Yes you will be able to get an upgraded cooler as you have seen, but a competition vehicle will be driven and set up very different to a daily.
Post #251896 17th Jul 2013 3:34pm
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Will.I.AM



Member Since: 16 May 2013
Location: Hertfordshire
Posts: 338

United Kingdom 2005 Defender 130 Td5 HCPU Kaikoura Stone
kape, i guess mine is a daily runner but it isnt a normal daily runner in the sense that i race most hot hatches and whip their pants down standing!!!!c dont believe me, ask ironman 19 or bigsteve!!
Post #251902 17th Jul 2013 3:54pm
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