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  #1  
Old 18-12-2014, 06:05 PM
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Talking Dirty Duramax GU

Had a conversation a couple of nights ago...

Me: Do you care if I put a new motor in the Patrol?
Wife: Do I get a say?
Me: Not really.
Wife: Will it make it go?
Me: Yep!

So I take that to be the approval to start on the conversion project. She really doesn't enjoy driving anything which doesn't get up an move when you put your foot into it. I even had her drive towing the camper last trip so she knew what I was facing every time we went away.

Anyhow, on with the build I guess.

Current rig:
GU IV
ZD30 auto
Chipped, 3" exhaust, boost actuator on VNT, upgraded intercooler
Roof rack, storage drawers, 2" lift, 33" ATZ


Plan:
6.6L Duramax LBZ with 6 speed Allison
Haven't yet decided on what to do in terms of go harder bits.
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  #2  
Old 19-12-2014, 06:22 AM
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That sounds like a green light to me! Go hard!
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Old 19-12-2014, 09:44 AM
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Who's doing your conversion? You giving it a go yourself?
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Old 19-12-2014, 11:37 AM
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Andrew from On Track 4x4 in Melbourne normally services it so I'll probably get him to do it. I'm trying to source stuff at best possible prices to get everything ready. Doing my best to minimize labor costs.
Looks like I'll be able to do a heap of prep on the motor etc before I drop it off too.


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Old 20-12-2014, 04:16 PM
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Has he done one before ?
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Old 21-12-2014, 08:13 PM
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Default Dirty Duramax GU

He's doing one at the moment actually. Last year he put a duramax in an Oka.

Last week I had a look at the one in progress. There's definitely a lot in this conversion but I believe the benefits will be there too.
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  #7  
Old 03-01-2015, 04:34 PM
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ImageUploadedByTapatalk1420270383.253958.jpg
Well this is what I was greeted with yesterday morning. From what I can tell, appears that the alternator is shagged.

Shame I don't have all the parts sorted for the swap. Could have been starting early.


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Old 03-01-2015, 06:28 PM
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Yeah i can see an angle.

You - this alternator is fd
wife - how much you reakon?
you - will be heaps should put it straight into the conversion
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  #9  
Old 03-01-2015, 07:09 PM
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another duramax conversion at on track? I'm never gonna be able to get my truck in there for work again lol seriously though good choice, andrew knows his shint ... have you told him yet ?
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Old 03-01-2015, 07:18 PM
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What do you mean another one? I'm only aware of the one that's close to finished now.

I've been talking to him a bit in the last couple of months. Looked at all sorts of options and this is the only one that really makes sense.


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Old 03-01-2015, 07:23 PM
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thats what i mean. theres one in there at the moment , and yours is the new one. i been watching the build too . wish i could afford it
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Old 03-01-2015, 07:34 PM
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Not sure that I can... But I'm gonna somehow.

I'll start having parts turn up this month and spread things out a little. Make it a bit easier. It's either this or I spend more swapping for a 79 or 200 series which I like a whole lot less.


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Old 03-01-2015, 07:38 PM
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Keeping a close eye on, and subscribing to this one. Considering doing it myself but would also like to do as much as possible myself.....

Please keep us updated!

Cheers,
T
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Old 03-01-2015, 07:38 PM
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nice ! if your gu is in good condition and already got the goodies on it, it makes sense. you buy a 79 or an 200 you gotta start from scratch.... and you gotta drive a toyota loll
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Old 03-01-2015, 08:04 PM
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Yep. I did grow up in 40 and 70 series utes though.

Keep an eye on Bosvelk's thread too. He's got some good info.

Trying to decide how much to do to the motor and box before it goes in. Even a stock tune is a big upgrade but I don't know how hard the power bug will hit. My brother runs a 12.00s 1/4 in his XD ute with a 351. Thinking I might have to build something faster than that eventually.


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Old 06-01-2015, 06:40 AM
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Quote:
Originally Posted by DirtyJ View Post
Yep. I did grow up in 40 and 70 series utes though.

Keep an eye on Bosvelk's thread too. He's got some good info.

Trying to decide how much to do to the motor and box before it goes in. Even a stock tune is a big upgrade but I don't know how hard the power bug will hit. My brother runs a 12.00s 1/4 in his XD ute with a 351. Thinking I might have to build something faster than that eventually.


Sent from somewhere I wish I wasn't.
if you leave it all stock you'll never miss what you never have.
stock will go nicely and pull hard; they love to tow!
BUT all the motor needs is tunes. all you need to know is the VIN from the truck the motor came from. the trans will hate you for ever if you don't beef it up for the tunes.
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Old 06-01-2015, 11:00 AM
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Quote:
Originally Posted by VinceGU05 View Post
if you leave it all stock you'll never miss what you never have.

Yeah I know. But I also know there is big potential lurking there as well.

I do have to keep in mind that it is a daily drive as well. And the missus drives it too.

I'm definitely putting at least the Transgo Jr valves in and going for some DSP5 tunes. Just contemplating whether the head studs should be done while they're accessible or whether there is anything else that I should do while it's all accessible.


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Old 06-01-2015, 01:32 PM
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Quote:
Originally Posted by DirtyJ View Post
Yeah I know. But I also know there is big potential lurking there as well.

I do have to keep in mind that it is a daily drive as well. And the missus drives it too.

I'm definitely putting at least the Transgo Jr valves in and going for some DSP5 tunes. Just contemplating whether the head studs should be done while they're accessible or whether there is anything else that I should do while it's all accessible.


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the motor really shouldnt "need" anything. maybe a new viscous hub for the fan. head studs you could retorque them. would only replace them if the heads came off. plenty of stuff you can add to make more HP. juice it as is.. in a coupla years time rebuild with twins.
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Old 22-01-2015, 08:06 PM
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Well the motor and gearbox is being crated ready for shipping. Once I've got it, I'll have a bit better understanding of what to chew on.

Anyone got an auto shifter from a 4.8L with any bits of plastic needed to swap in place of the 3L auto shifter?


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Old 23-02-2015, 05:34 AM
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So some parts have been ordered from DHD: 3" Y bridge, 2" up pipes, LML manifold for LHS, TransgoJr, full gasket kit for the Allison, and a few bits I can't remember...

Auto is booked in for a check over and to have the Transgo bits fitted.

I'm expecting the motor and gearbox to arrive an about 2 weeks and I've located a 4.8 shifter so things are pretty well on track.



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