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Turbo on a GQ 4.2

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Posts: 159
Joined: Tue Apr 27, 2004 12:15 pm
Location: WA

Turbo on a GQ 4.2

Post by GQAndrew »

Hi Guys,

This is something I would consider putting on my GQ If i suddenly came across some cash. I am intereste to know what Turbo's people have put on their 4.2 Diesels, and what the power output changed to, I think the stock is 85kw and 264Nm. :)

Thanks

Andrew
Posts: 263
Joined: Thu Mar 06, 2003 7:55 pm
Location: Bayswater

Post by Fathillbilly »

i use one that goes wizzssss.

seriously both DTS and Denco are good, and since your in WA and they both have distributers there i would be looking at them.

but make sure you get a boost compensator, makes lots of differance

Stu
[quote="COOP"] By the way Mr engineering Guru maybe you better get another calculator or learn how to use it![/quote]
www.indurooffroad.com
44mm and 38mm Roll Cage Tube
Eibach Springs SAW Shocks
Posts: 527
Joined: Fri Apr 23, 2004 5:43 am
Location: Auckland, NZ

Post by GQ TROL »

Hey Andrew,
I run a CT26 turbo from a Celica GT-4. Power is probably around 120-130kw, but haven't dyno'ed it to be sure. Used a home made "plenum chamber" exhaust manifold and a 3" exhaust. Fuel pump has been adjusted accordingly.

Cheers
Posts: 305
Joined: Mon Jan 13, 2003 10:51 am
Location: Melbourne

Post by getdirty »

Sandy at Aus4wd has been making custom extractor manifolds for TD42's and mounting massive turbos on them with big front mount coolers.

Not sure on exact power outputs but they are friggen quick! Almost enough to convert me to a diesel fan.....
Posts: 527
Joined: Fri Apr 23, 2004 5:43 am
Location: Auckland, NZ

Post by GQ TROL »

Sandy at Aus4wd has been making custom extractor manifolds for TD42's and mounting massive turbos on them with big front mount coolers.


Do you happen to know how much they are selling the manifolds for??

Cheers
Mitch
Posts: 2492
Joined: Sun Nov 24, 2002 8:57 pm
Location: Melbourne

Post by bazzle »

My Safari with Intercooler makes 94kw at back wheels (35" tyre) at 2200 rpm. (100 kph)
Prev about 55kw before.

Engine output who knows, doesnt matter .

Aneroid would be nice but an extra grand plus or minus...

Bazzle :lol:
Posts: 4275
Joined: Fri Nov 22, 2002 6:41 pm
Location: Western Australia

Post by Hoonz »

94kw at the wheels with 35z ... :shock:

have a dyno sheet here some where 165kw on 32z
safari turbo and intercooler on a diesel
would having my 35's on reduce the power that much?
H( * )( * )NZ loves B( * )( * )BIES
if a fat lady falls in the forest do the trees laugh?
[quote="RUFF"]although i didnt mean to, i squealed like a girl :armsup:[/quote]
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Post by bogged »

Terrafirma wrote:94kw at the wheels with 35z ... :shock:

have a dyno sheet here some where 165kw on 32z
safari turbo and intercooler on a diesel
would having my 35's on reduce the power that much?


What diffs?

I think it could lose 40kw MAYBE...

32 and 35' LARGE difference..
Posts: 4275
Joined: Fri Nov 22, 2002 6:41 pm
Location: Western Australia

Post by Hoonz »

standard diffs ... 4.1 gearing
but my ute still had alot of poke still even with the 35z on
H( * )( * )NZ loves B( * )( * )BIES
if a fat lady falls in the forest do the trees laugh?
[quote="RUFF"]although i didnt mean to, i squealed like a girl :armsup:[/quote]
Posts: 805
Joined: Thu Sep 18, 2003 6:07 pm
Location: lost

Post by fatassgq »

Dyno figures are a waste of time anyway. There are too many varitations between dyno machines so they are only really usefull for comparison when using the same truck on the same dyno.

I think mine out of tune and in need of pump and injectors was about 80 kw rear wheels with true 35s on but put it on a different dyno and figures would most likely be different!!!!

You know driving it if it goes well or not lol
Posts: 2979
Joined: Mon Feb 24, 2003 7:03 pm
Location: Melbourne

Post by robbie »

I agree, dyno figures dont always mean everything..

they just change a few numbers on the dyno machine such as air temp etc & it "works out" whats the HP should be..

every dyno would give you a different reading guaranteed..
Posts: 125
Joined: Sun Oct 05, 2008 6:34 pm
Location: N/E Victoria

Post by 12ht »

Fathillbilly wrote:i use one that goes wizzssss.

seriously both DTS and Denco are good, and since your in WA and they both have distributers there i would be looking at them.

but make sure you get a boost compensator, makes lots of differance

Stu
the pump off a factory turbo gu will fit straight on 2
Posts: 57
Joined: Thu Apr 27, 2006 7:56 pm
Location: Mackay, QLD

Re: Turbo on a GQ 4.2

Post by C.A.Moseley »

yeah mine was running a GU pump and 18 pound, till it called it quits and melted and cracked everything including block and head on saturday! a mate that worked at a dyno shop was tell me tyres dont affect the reading the computer works it all out?
'78 2 door Rangie, 3.9L , 2" body, 4" long travel, 35s, rear locker, disco auto, caged. GQ 4.2 18psi, 5" lift, ARB lockers, 33s,
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