Turbo charging a TD42 engine
- Dustin
- Senior Member
- Posts: 428
- Joined: 14 Sep 2009 12:14
- Full Name: Dustin Roberts
- Nickname: Dustin
- Home Town: Port Elizabeth
- Current 4x4: Patrol-less :-(
- Home Language: English
- Location: Port Elizabeth
- Has thanked: 42 times
- Been thanked: 52 times
Turbo charging a TD42 engine
Hi all.
Once again I'm calling on the collective knowledge of the experts.
I'm in the market for a 4.2 diesel Patrol.
I had a 4.2D and though it was an awesome machine, it was seriously lazy on uphills.
My thoughts are to get a 4.2Td
I've found 2 Patrols that are potential candidates.
One is a 1999 4.2D - Lots of kit and very neat / looked after.
The other is a 2000 4.2Td that only has OME suspension, dual batteries and the engine bay looks a bit rough.
The big question is :
If I take the 4.2D, how big of a job (and costs) is it to turbo the vehicle if I do it myself ? I'm not Rockefella, I'm the other fella, so the cheapest option is the only option
I'm no slouch in the workshop and have tackled all sorts of fabrication work for previous vehicles and for friends, but I've never turbo charged anything yet.
I believe that a Mitsubishi TD05 turbo is the way to go, but so far they are proving difficult to find.
Any help or suggestions are always welcome.
Once again I'm calling on the collective knowledge of the experts.
I'm in the market for a 4.2 diesel Patrol.
I had a 4.2D and though it was an awesome machine, it was seriously lazy on uphills.
My thoughts are to get a 4.2Td
I've found 2 Patrols that are potential candidates.
One is a 1999 4.2D - Lots of kit and very neat / looked after.
The other is a 2000 4.2Td that only has OME suspension, dual batteries and the engine bay looks a bit rough.
The big question is :
If I take the 4.2D, how big of a job (and costs) is it to turbo the vehicle if I do it myself ? I'm not Rockefella, I'm the other fella, so the cheapest option is the only option
I'm no slouch in the workshop and have tackled all sorts of fabrication work for previous vehicles and for friends, but I've never turbo charged anything yet.
I believe that a Mitsubishi TD05 turbo is the way to go, but so far they are proving difficult to find.
Any help or suggestions are always welcome.
a.k.a. Datsun Dustin
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
- Tinus lotz
- Moderator
- Posts: 7579
- Joined: 29 Aug 2010 13:07
- Full Name: Tinus lotz
- Nickname: Tinus lotz
- Home Town: Centurion
- Current 4x4: Nissan patrol 4.8 GRX 2005
Toyota 2.7 legend 35 LWB 4X4 - Home Language: Afrikaans
- Has thanked: 800 times
- Been thanked: 549 times
Re: Turbo charging a TD42 engine
1 turbo 5.5k
2 manifold 3.5k second hand
3 intercooler and silicone pipes 6.5k
4 madman and sender units 6k
5 76mm exhaust 3.5k
6 getting aneriod fitted to diesel pump and calibration sone 8.5k
Ze30tipe aircleaner second hand 1.5k
2 manifold 3.5k second hand
3 intercooler and silicone pipes 6.5k
4 madman and sender units 6k
5 76mm exhaust 3.5k
6 getting aneriod fitted to diesel pump and calibration sone 8.5k
Ze30tipe aircleaner second hand 1.5k
- Tinus lotz
- Moderator
- Posts: 7579
- Joined: 29 Aug 2010 13:07
- Full Name: Tinus lotz
- Nickname: Tinus lotz
- Home Town: Centurion
- Current 4x4: Nissan patrol 4.8 GRX 2005
Toyota 2.7 legend 35 LWB 4X4 - Home Language: Afrikaans
- Has thanked: 800 times
- Been thanked: 549 times
- Dustin
- Senior Member
- Posts: 428
- Joined: 14 Sep 2009 12:14
- Full Name: Dustin Roberts
- Nickname: Dustin
- Home Town: Port Elizabeth
- Current 4x4: Patrol-less :-(
- Home Language: English
- Location: Port Elizabeth
- Has thanked: 42 times
- Been thanked: 52 times
Re: Turbo charging a TD42 engine
Eina... but I'm not sure why I am surprised
Tinus, you talk about an "Aneroid" fitted to the diesel pump. What is that exactly ?
I understand the mechanics involved for turbocharging a petrol engine, but not so sure on diesel.
On petrol you have the turbo creating boost, the waste gate is set to a boost pressure threshold and you have the engine management system taking inlet manifold pressure, exhaust gas temperature, engine revs and inlet air temperature.
I'm not so sure how an old donkey mechanical diesel setup would work in controlling boost and waste gate.
I'm not sure how you control the system to open the waste gate and dump boost pressure when you drop throttle to go for the next gear, if there's no engine management system. Or is there.
You mention engine mods.
What mods would they be ?
Luckily I've got a lot of contacts that still owe me big, including a performance shop that builds rally cars and have a dyno
And I've got full access to large bore mandrel pipe benders, CNC machinery, high frequency tig welders, lathes, milling machines, polyurethane and silicone.
I'm sure I can make something happen for a few bucks less
Tinus, you talk about an "Aneroid" fitted to the diesel pump. What is that exactly ?
I understand the mechanics involved for turbocharging a petrol engine, but not so sure on diesel.
On petrol you have the turbo creating boost, the waste gate is set to a boost pressure threshold and you have the engine management system taking inlet manifold pressure, exhaust gas temperature, engine revs and inlet air temperature.
I'm not so sure how an old donkey mechanical diesel setup would work in controlling boost and waste gate.
I'm not sure how you control the system to open the waste gate and dump boost pressure when you drop throttle to go for the next gear, if there's no engine management system. Or is there.
You mention engine mods.
What mods would they be ?
Luckily I've got a lot of contacts that still owe me big, including a performance shop that builds rally cars and have a dyno
And I've got full access to large bore mandrel pipe benders, CNC machinery, high frequency tig welders, lathes, milling machines, polyurethane and silicone.
I'm sure I can make something happen for a few bucks less
a.k.a. Datsun Dustin
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
- Michael
- Moderator
- Posts: 2479
- Joined: 05 Mar 2014 14:39
- Full Name: Michael
- Nickname: Steyn
- Home Town: Centurion
- Current 4x4: Patrol GU 4.2 Turbo Diesel
- Home Language: Afrikaans
- Location: Centurion, PTA
- Has thanked: 189 times
- Been thanked: 336 times
Re: Turbo charging a TD42 engine
Here is a link to give you an explenation of exactly what the aneroid/boost compensator does.Dustin wrote: Tinus, you talk about an "Aneroid" fitted to the diesel pump. What is that exactly ?
But in short it mechanically gives more fuel to match the more air that is being forced into the engine via the turbo
https://www.tillix.com.au/mechanical-di ... ne-tuning/
"The Just shall live by Faith" Rom1:17
Check out my build here My Patrol
And my engine rebuild here mostly engine related stuff
Check out my build here My Patrol
And my engine rebuild here mostly engine related stuff
- Tinus lotz
- Moderator
- Posts: 7579
- Joined: 29 Aug 2010 13:07
- Full Name: Tinus lotz
- Nickname: Tinus lotz
- Home Town: Centurion
- Current 4x4: Nissan patrol 4.8 GRX 2005
Toyota 2.7 legend 35 LWB 4X4 - Home Language: Afrikaans
- Has thanked: 800 times
- Been thanked: 549 times
Re: Turbo charging a TD42 engine
Look iam no expert but i more or less watch Micheal work every day on my way home .....lol WWW
The aneriod comes on top of your feul pump to give more feul as the boost goes up . It makes your rack in pump move along the feul pin cam without you putting your foot down .it keeps all the levels of feul to air correct
The aneriod comes on top of your feul pump to give more feul as the boost goes up . It makes your rack in pump move along the feul pin cam without you putting your foot down .it keeps all the levels of feul to air correct
- Dustin
- Senior Member
- Posts: 428
- Joined: 14 Sep 2009 12:14
- Full Name: Dustin Roberts
- Nickname: Dustin
- Home Town: Port Elizabeth
- Current 4x4: Patrol-less :-(
- Home Language: English
- Location: Port Elizabeth
- Has thanked: 42 times
- Been thanked: 52 times
Re: Turbo charging a TD42 engine
I've been looking online for turbo kits and builds on TD42 motors.
Does anyone know why some would run the turbo direct to the intake manifold and not through an intercooler ?
Is there any advantage to this, because I can't see how that can be good for the engine.
Does anyone know why some would run the turbo direct to the intake manifold and not through an intercooler ?
Is there any advantage to this, because I can't see how that can be good for the engine.
a.k.a. Datsun Dustin
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
View my Patrol's story here : http://patrol4x4.co.za/viewtopic.php?f=43&t=6478
No hill too steep, no donga too deep !
GO PATROL !!!
- Tinus lotz
- Moderator
- Posts: 7579
- Joined: 29 Aug 2010 13:07
- Full Name: Tinus lotz
- Nickname: Tinus lotz
- Home Town: Centurion
- Current 4x4: Nissan patrol 4.8 GRX 2005
Toyota 2.7 legend 35 LWB 4X4 - Home Language: Afrikaans
- Has thanked: 800 times
- Been thanked: 549 times
Re: Turbo charging a TD42 engine
Less work when you buy a bolt on kit ....the biggest work on my 4.2 was to fit the cooler ....the UD 40 lorrie also runs without a cooler . You use more feul . Oom mac gets 7 with his and i get 8 km per liter. def more performance out of cooler air efficiency wise but yes can work without it
- ricster
- Patrolman 1000+
- Posts: 5850
- Joined: 13 Jan 2010 11:16
- Full Name: Cedric Warner
- Nickname: Cedric
- Home Town: Alberton Gauteng
- Current 4x4: '99 Nissan Patrol 4.2 Turbo Diesel
- Home Language: English
- Location: LA..... No not Los Angles ..... Lower Alberton, Gauteng
- Has thanked: 591 times
- Been thanked: 468 times
Re: Turbo charging a TD42 engine
The money to do it is a lot for sure.... but there is a load of satisfaction, and it doesn't matter how old one is, but when that turbo whistles on spool up and gives you a whoosh between gear changes...... it's like looking at those hidden magazines you know you shouldn't be looking at.....hahahaha.... very..... ummmmm .... shall we say uplifting??
Some of the Aussies run theirs without an intercooler, but personally I would definitively have one, with a fan (if top mount ) to assist with slow speed hard driving.
Aneroid ( compensator ) is pretty much what the other guys have said. It controls the fueling when under no boost or when boost is achieved. There will be a thin pipe from the compressor side of the turbo connected to a "T" piece where one side connects to the turbo waste gate actuator, and the other connects to the injector pump aneroid ( compensator ) ( excuse the oil on my turbo.... but she is a little tired now and needs some attention )
Some of the Aussies run theirs without an intercooler, but personally I would definitively have one, with a fan (if top mount ) to assist with slow speed hard driving.
Aneroid ( compensator ) is pretty much what the other guys have said. It controls the fueling when under no boost or when boost is achieved. There will be a thin pipe from the compressor side of the turbo connected to a "T" piece where one side connects to the turbo waste gate actuator, and the other connects to the injector pump aneroid ( compensator ) ( excuse the oil on my turbo.... but she is a little tired now and needs some attention )
Regards
Cedric
Nissan Patrol GL 4.2 Diesel Turbo (Iron Maiden)
Nissan SANI 3.0 V6 4x4 (SOLD)
Isuzu KB 280 DT 2x4 ('ol Smokey) - SOLD
Suzuki TL 1000R "V twin" (Growler) - SOLD
Cedric
Nissan Patrol GL 4.2 Diesel Turbo (Iron Maiden)
Nissan SANI 3.0 V6 4x4 (SOLD)
Isuzu KB 280 DT 2x4 ('ol Smokey) - SOLD
Suzuki TL 1000R "V twin" (Growler) - SOLD
- ChristoSlang
- Patrolman
- Posts: 851
- Joined: 07 Apr 2009 16:54
- Full Name: Christo van Rensburg
- Nickname: ChristoSlang
- Home Town: Pretoria, ZA
- Current 4x4: Nissan 4.2 GL Patrol
- Home Language: Afrikaans
- Location: Garsfontein, Pretoria
- Has thanked: 17 times
- Been thanked: 116 times
Re: Turbo charging a TD42 engine
You'll also be fine without the boost compensator (an "aneroid" really sounds like something you should be taking pills for!)...
The problem when tuning the engine without an android is that the diesel pump won't increase it's delivery according to the boost level (which is what you want), so you have to optimise the pump delivery for either on-boost or off-boost. Obviously you'll adjust it for on-boost fueling, which means that the pump will supply too much fuel when the turbo is off-boost. That causes momentary over-fueling, resulting in some smoke when pulling away briskly.
Because the puff of smoke is always behind me (unless I storm off in reverse gear!) and it only happens for a brief moment, I am very happy to save the money I would have spent on an android and rather spend it on nice set of tires, a fridge/freezer, or something for my wife (how did this end at the back of the sentence?). As you may have guessed by now my TD42 does not have a hemorrhoid...
PS: This is a problem that only afflicts the old TD42 engines. The later engines had an ECU that controlled the fuel delivery based on air-flow, accelerator pedal position, engine temperature, phase of the moon, etc. It also took all the fun out of endlessly fussing with the fuel screw on the diesel pump
PPS: Inter-coolers cool the turbo-charged air down, allowing for higher boost than without them (yes, please!), and for increased engine life (cold air is less likely to result in detonation, overheating, etc.).
PPPS: There's no need to worry about blow-off valves for your turbo on the TD42 engine, because the engine does not have a butterfly valve on the intake manifold. As a result there is never a chance of boost building up (like it would on a petrol engine when you release the pedal), unless the engine stalls. Boost level is controlled by the turbo's wastegate, and that is controlled only via the wastegate actuator. Unless you drive a 3.0 diesel, in which case the ECU gets involved big time in controlling boost levels...
The problem when tuning the engine without an android is that the diesel pump won't increase it's delivery according to the boost level (which is what you want), so you have to optimise the pump delivery for either on-boost or off-boost. Obviously you'll adjust it for on-boost fueling, which means that the pump will supply too much fuel when the turbo is off-boost. That causes momentary over-fueling, resulting in some smoke when pulling away briskly.
Because the puff of smoke is always behind me (unless I storm off in reverse gear!) and it only happens for a brief moment, I am very happy to save the money I would have spent on an android and rather spend it on nice set of tires, a fridge/freezer, or something for my wife (how did this end at the back of the sentence?). As you may have guessed by now my TD42 does not have a hemorrhoid...
PS: This is a problem that only afflicts the old TD42 engines. The later engines had an ECU that controlled the fuel delivery based on air-flow, accelerator pedal position, engine temperature, phase of the moon, etc. It also took all the fun out of endlessly fussing with the fuel screw on the diesel pump
PPS: Inter-coolers cool the turbo-charged air down, allowing for higher boost than without them (yes, please!), and for increased engine life (cold air is less likely to result in detonation, overheating, etc.).
PPPS: There's no need to worry about blow-off valves for your turbo on the TD42 engine, because the engine does not have a butterfly valve on the intake manifold. As a result there is never a chance of boost building up (like it would on a petrol engine when you release the pedal), unless the engine stalls. Boost level is controlled by the turbo's wastegate, and that is controlled only via the wastegate actuator. Unless you drive a 3.0 diesel, in which case the ECU gets involved big time in controlling boost levels...
Who is online
Users browsing this forum: No registered users and 33 guests