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  #21  
Old 09-05-2019, 04:16 AM
Connaught Connaught is offline
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lmfao

i was thinking along the lines of what bluenavara did to his, told the kid we should turn it into a monster truck, his eyes lit up,

wifes eyes however rolled haha


mmmmmmmmmm wonder what would blow up next with 350 horsepower...........
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  #22  
Old 09-05-2019, 09:36 AM
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You could always put a duramax in there. You might have to make the engine bay a bit wider though haha
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  #23  
Old 09-05-2019, 11:42 AM
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Grab 4 Arctic flares and mount 'em, you'll need them for the next (vital) upgrade ...


Rip both front and rear diffs out, install Nissan Titan diffs. The stock diffs won't withstand that much power. The Titan is wider than the Navara, that's what the flares are for.
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  #24  
Old 10-05-2019, 02:25 AM
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Or maybe this would tickle your fancy a bit more...

https://mr4x4.com.au/cummins-v8-to-h...eater-numbers/
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  #25  
Old 10-05-2019, 12:07 PM
Connaught Connaught is offline
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Mmm v8 conversions...... haha how hard could it be, possibly the only part of the d40 left after that would be the cab lol

You guys gotta be anlr to hear my wifes eyes roll.... hahaha,

To be fair though if it cost more than say 1k to get it running again its going to get parted out, hopefully i will find some time in the next couple weeks to tear the engine down and have a better look, mostly to see how bad the crank is
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Old 29-05-2019, 11:40 AM
Connaught Connaught is offline
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So finally got the engine out and apart far enough to confirm what happened and possibly why, as you can see when i took the harmonic balancer assembly out, i found a bolt loose, said bolt is the rear main crank bearing, the bolt is not stripped, it has come loose (at least i can thread it back in and it gets hand tight)


As yet i need to get the crank out and have a look at the bearing surfaces etc but i am quietly hopefull the beast will ride again
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  #27  
Old 29-05-2019, 12:28 PM
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I wonder if that's possibly going to happen to others? That would mean they missed torquing that bolt up. Do you think an inspection cam through the sump plug would be able to spot that?
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  #28  
Old 29-05-2019, 12:41 PM
Connaught Connaught is offline
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Yeah definetly, fish it up and over top of the balancer assembly would see it, in my case it was sticking out almost an inch, i would have thought the bolt head would have been resting against the balancer

The part i am really finding surprising is that there seems to be almost no other damage, depending on when i get time to have a look at the bearing surface after i get the crank.out,

I am assuming ecu saw a big enough difference between crank angle and cam sensors and shut it off, i dont think i could react that fast after the noise it made
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  #29  
Old 29-05-2019, 09:27 PM
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So you might get away with a big end bearing replacement?


That's a positive. It's not good that it let go at all, of course! At first you thought the crank might have broken - this is a big step up from that.


How's the bore look in that cylinder?
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  #30  
Old 29-05-2019, 10:14 PM
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Oh no, the crank is broken, so it needs one of those, but looking breifly on the interweb it looks like you can get them for a few 100 bucks on alibaba, and i need to have a better look at the main bearing kournal and cap that is in question,

but i will only need a gasket kit, instead of the full rebuild kit, sooooo maybe a grand all up, depending if i get the head reconned, (valve springs) and if i do my usual and go full stupid on it
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