gu patrol gearbox continued & tuning 4.2td

Submitted: Saturday, Jan 22, 2005 at 21:54
ThreadID: 19681 Views:2433 Replies:3 FollowUps:5
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hi all
i am still waiting for spring to turn up from nissan,they tell me monday (hopefully).
the few times i have driven car i wasnt real happy with its performance
compared to my previous car which was a 80 ser cruiser with an aftermarket
turbo. a few people have suggested to me to have it tuned by (not allowed to mention name)
the tune consists of o/haul injectors,adjust tappets,adjust timing,fuel aneroid mod,turbo adjust & on road adjustments.
they claim this makes a big difference as the nissan motor isnt set up real good from factory.
i have since read other article about other diesel shops who also have tune packages for the patrol & am a little bit sceptical about claimed performance increases .(30-40%).
appreciate any advise on this.
thanks spudit
p.s car had new fuel filter in november.
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Reply By: Michael ( Moss Vale NSW) - Saturday, Jan 22, 2005 at 22:15

Saturday, Jan 22, 2005 at 22:15
Definately the place to take it, My Gu's have been there, big difference. Generally with diesels, more power means more fuel. That is after the normal tune up, pump timing , injectors etc have been seen to. depends what you want, power or economy..Michael
Patrol 4.2TDi 2003

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Follow Up By: spudit - Saturday, Jan 22, 2005 at 22:42

Saturday, Jan 22, 2005 at 22:42
thanks michael

this is the place that starts with b?
mainly after a bit more power for towing & climbing dunes,at the moment it is hard work.How is yours since having the tune?

thanks
spudit

ps they suggest to leave the standard exhaust as it is ok
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FollowupID: 353413

Follow Up By: Michael ( Moss Vale NSW) - Saturday, Jan 22, 2005 at 22:51

Saturday, Jan 22, 2005 at 22:51
I does make a huge difference, just tune. especially 4.2 td. Nissan make great engines but really cant tune them. Berrima will get the best out of it for you. michael
Patrol 4.2TDi 2003

Retired 2016 and now Out and About!

There's time to rest when you're dead,
Get out and do something instead!

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Reply By: Michael ( Moss Vale NSW) - Saturday, Jan 22, 2005 at 22:46

Saturday, Jan 22, 2005 at 22:46
Yes thats right, and only two people will work on your vehicle, Father and son, same guys every time. Both excellent and very knowledgeable guys. Like they say, they are the originals... Michael
Patrol 4.2TDi 2003

Retired 2016 and now Out and About!

There's time to rest when you're dead,
Get out and do something instead!

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AnswerID: 94470

Follow Up By: spudit - Saturday, Jan 22, 2005 at 22:50

Saturday, Jan 22, 2005 at 22:50
thanks mate

just wanted to know we were talking about the same place

spudit
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Follow Up By: Michael ( Moss Vale NSW) - Saturday, Jan 22, 2005 at 22:52

Saturday, Jan 22, 2005 at 22:52
You can say Berrima but you cant put diesel next to it.
Patrol 4.2TDi 2003

Retired 2016 and now Out and About!

There's time to rest when you're dead,
Get out and do something instead!

Member
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FollowupID: 353416

Reply By: Member - Maurice F (WA) - Sunday, Jan 23, 2005 at 00:00

Sunday, Jan 23, 2005 at 00:00
I have a 2004 4.2tdi (previously 4.2 td GQ with 2.5 '' exhaust) was dissapointed until i fitted 3'' mandrel bent exhaust plus 3'' drop pipe(A must) now goes as well as old GQ check Chri QLD same mods plus turbo boost pump mods ect he is very happy with results
Maurie
AnswerID: 94483

Follow Up By: Austravel - Sunday, Jan 23, 2005 at 11:29

Sunday, Jan 23, 2005 at 11:29
Certainly agree there. After Sevo's and Chris's threads and some discussion with them I'm heading down the same path. This weekend I fitted the 3" exhaust and modified dump pipe. Had a few dramas fitting the dump pipe and the tail pipe won't fit properly but should be able to fix this up Monday. The difference was very noticable, won't repeat what Chris and Sevo have already posted before but with out doubt the orginal exhaust does limit the performance.
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FollowupID: 353458

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