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Turboing GU 4.2 straight diesel 1998 model

Tech Talk for Nissan owners.

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Turboing GU 4.2 straight diesel 1998 model

Post by boydsierra »

hey guys

just wondering i have heard that the 98 straight diesels go when they get turbos on them? just wondering if anyone have any info?

cheers boyd
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Post by brad-chevlux »

sorry, i don't understand the question.


'Go' as in go like cut snake?

'Go' as in blow up?

please provide more info
http://www.mothfukle-engineering.com/
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Post by boydsierra »

sorry mate

i meant go as in like blow up. apprently they run different pistons to the GQ and newer GU motors?

cheers
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Post by chpd80 »

As far as I know the td42 non-turbo motors are all the same,

You may be getting mixed up with the tb42 and tb45?? as the tb45 has weaker rods and different pistons.
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Post by boydsierra »

oh ok

nah i got told the td42
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Post by THICKNICK »

have heard there is a difference something to do with emission standards.
someone will know surely
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Post by dat383 »

gu 4.2 diesels had lighter pistons in them than earlier gq 4.2.

it was to try and make the engines a bit quieter,they are a bit weaker though.

boost should be kept at about 12psi max.
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Post by twodiffs »

http://www.outerlimits4x4.com/ftopic791 ... highlight=

Read this thread, it'll answer just about everything for ya.

Early td42's before changes had a silver rocker cover, after that they were/are black top.
1991 GQ TD42 Safari, 5spd, 4" Lift, 35" shovels, Locked & Loaded.
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Post by boydsierra »

oh ok

so u recon it would be safe if i ran stock boost it should be sweet

cheers
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Post by J.Dixon80 »

hey dude its josh, i reckon you'll be sweet runnin like 10 psi through it and i know a few boys who could put it all on and everything, and yeah the non factory turby diesels have like a smaller crank and shit but its all good.
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