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td42 rebuild or conversion?

Tech Talk for Nissan owners.

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Posts: 59
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td42 rebuild or conversion?

Post by joelt »

although i haven't had a comp test done yet, pretty sure i need a rebuild. but i'm wondering whether i should get it rebuilt, by a 2nd hand td42 or go complete conversion. what does everyone think? i'm not overly cashed up which is prob going to be a bit of an issue....
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Re: td42 rebuild or conversion?

Post by bogged »

been done a few times

conversion : expensive.
Rebuild: if you get it done $7000 properly, head, cams etc (recently done by bloke in club, although he had 2 bent rods)
Used donk: they are around - probably the cheapest.
Ebay: $4000 for "rebuilt" engine.
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Post by trex »

Reco engines on ebay by East Coast 4wd $3300
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Post by bogged »

trex wrote:Reco engines on ebay by East Coast 4wd $3300
yea saw that, but cant be much of a rebuild for that price.
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td42 rebuild

Post by eighty8 »

Why do you think you need a rebuild?.
Does it blow smoke , have no power ?.
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Post by dopey »

Would be interested to know...

I have some similar desisions to make. Hopefully not rebuild, but at least turbo etc.
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Post by joelt »

blowing smoke bad, white-ish blue smoke.....i also need the injector pump re-sealed. maybe, hopefully that is causing the smoke, but somehow i doubt it.....it's got enough power but it's also blowing blow-by smoke but only lightly.
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Post by Hutch »

joelt wrote:blowing smoke bad, white-ish blue smoke.....i also need the injector pump re-sealed. maybe, hopefully that is causing the smoke, but somehow i doubt it.....it's got enough power but it's also blowing blow-by smoke but only lightly.

How many K's on the motor? Could just need a re-ring kit to get another few years. Might be a cracked compression ring if ya getting blow-by vapor. Have you had head troubles/loss of coolant? If ya gonna open the head to re-ring may as well rebuild the head as well. Thats the prob you see... once you open her up its hard to know where to stop. Do a compression test to see if that shows up anything.

Good luck with it all and keep us informed.
Here is a test to find whether your mission on earth is finished: If you’re alive it isn’t.
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Post by Big Red Toy »

bogged wrote:
trex wrote:Reco engines on ebay by East Coast 4wd $3300
yea saw that, but cant be much of a rebuild for that price.
Thats what i got, it doesn't include pump, injectors etc so thats extra

Done about 7'000km's so far & very happy so i say go for it!!!
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Post by bogged »

Big Red Toy wrote:
bogged wrote:
trex wrote:Reco engines on ebay by East Coast 4wd $3300
yea saw that, but cant be much of a rebuild for that price.
Thats what i got, it doesn't include pump, injectors etc so thats extra

Done about 7'000km's so far & very happy so i say go for it!!!
I remember Nicks parts came to more than 3k though...

glad its stayed together for u....
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Post by Hutch »

trex wrote:Reco engines on ebay by East Coast 4wd $3300
http://cgi.ebay.com.au/Nissan-Patrol-Fu ... dZViewItem
Exchange yours for an unknown?!!! :shock:
Here is a test to find whether your mission on earth is finished: If you’re alive it isn’t.
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Post by joelt »

getting a compression test done next monday. see what they say and then i'll take it from there. injectors are fine, had them checked already, need a pump overhaul as well. man, it's so demoralising :cry:
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Post by turbodave »

joelt wrote:getting a compression test done next monday. see what they say and then i'll take it from there. injectors are fine, had them checked already, need a pump overhaul as well. man, it's so demoralising :cry:
Know how you feel. I'm going through the same thing at the moment. Mine took in dust one weekend (got past the airfilter), then a little bit of water the next. Getting a comp test done next week to find out how bad it is. Still seems to drive alright, but it's just not the same.

How much would a second hand turbo intercooled TD42 from a GU go for? I'd imagine it would drop straight in.

Seen this one on eBay. $14 000!!!!!
http://cgi.ebay.com.au/NISSAN-TD42-PATR ... dZViewItem
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Post by mud4b »

turbodave wrote:
joelt wrote:getting a compression test done next monday. see what they say and then i'll take it from there. injectors are fine, had them checked already, need a pump overhaul as well. man, it's so demoralising :cry:
Know how you feel. I'm going through the same thing at the moment. Mine took in dust one weekend (got past the airfilter), then a little bit of water the next. Getting a comp test done next week to find out how bad it is. Still seems to drive alright, but it's just not the same.

How much would a second hand turbo intercooled TD42 from a GU go for? I'd imagine it would drop straight in.

Seen this one on eBay. $14 000!!!!!
http://cgi.ebay.com.au/NISSAN-TD42-PATR ... dZViewItem

i have picked a 2 gu complete engines now one was from here, i got it for $3800... the other was for $4200.. they can be had for cheap. failing that buy a rolled gu at auction.. cheap as...

cheers mark
Mud4b/ OPT, Cheap rates, Not cheap work. Search Opt- option offroad on facebook. Call or Sms 0439609525.. Sunshine coast, Eudlo, 4554.
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Post by Woop »

[remember Nicks parts came to more than 3k though...

glad its stayed together for u....[/quote]

All up, my rebuild was just over 7K. Parts alone came to 5K using all Ni$$an bits. I did all the assembly work including replacing cylinder liners.

I had a shop do the cam bearings--very difficult to replace yourself, as you need a tool to ensure oil holes are lined up. Same shop ground crank and balanced--all up came to around $1800 i think.

Cylinder head overhaul came to 2K--this included replacing all the precomp chambers,valve seats,guides and seals and valves--i also had same shop replace gudgeon bushes and ream to size.

Nick
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Post by joelt »

so got a comp test and all clear, appears to be related to the injector pump which needs to be rebuilt, which needed to be done anyways. so better than an engine rebuild!
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