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TB42 Turbo vs TB48

Tech Talk for Nissan owners.

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TB42 Turbo vs TB48

Post by baggers »

Thoughts?

Seems like a similar budget for each option, and am not searching for 1000bhp, just about 150 rwkw.

Going in a GQ manual.

Couldn't be fagged with a v8 conversion, love to sound but too much work/fiddling around. I would never turbo the tb48, just needs to turn 33's and get up the hills on the highway at 110kmh.

Does the TB48 use the same engine mounts?

TB42 Turbo would be intercooled, and TB48 would have an aftermarket computer.

Any thoughts would be very appreciated. Also if anyone knows where to get a tb48 - Yes i've tried the regular Vic wreckers, but nowhere really stocks them as they sell so quickly. And yes i've searched!

Tar
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Post by bruggd »

My friend has a gu tb48 and yes it is very quick. Since he has had it put on gas we have had nothing but trouble. Engine warnins, starting problems and many sensor issues. I have heard this a lot with other tb48 owners who have mucked around with this engine. It has way to many sensors and other electronic crap to fart around with in an atempt to get it right. I also believe you may have a problem getting it to work with a manual gear box as I think the 5 speed tip tronic transmition in the gu 4.8 also is tied in with the engine management, more electronic crap to overcome. If I were you I would stick to turbo the tb42 or 45. This is tried and proven a success as you can see for your self. Do a search on the subject here and get all the info you need. You said your self you don't want to muck around.
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Post by ludacris »

The TB4.2 will turn your wheels without a Turbo and if need be change the diff ratios to 4.3 or 4.6 for more power.

Cris
Cris's 4 X 4 Accessories & Suspension 0404 736 325 Rock Sliders From $499
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Post by B.D.R »

If you want the TB48, go have a chat to Sandy at Aus4wd.

He runs one in his race truck, that from all accounts makes awsome power, and it's non-Turbo'd

Me if i HAD the money, i'd put the TB48 in, and then Turbo that, nothing beats the Mid-range on a Boosted car\4WD :twisted:
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Post by mhgill »

PM me for a price on a TB48.
GQ 5" coils 35" Muds FOR SALE
98 GU 4500 ST Stock.
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Post by baggers »

ludacris wrote:The TB4.2 will turn your wheels without a Turbo and if need be change the diff ratios to 4.3 or 4.6 for more power.

Cris
Yeah you're right, the TB42 isn't that bad, and it can turn 33's fine, but i've been driving one for a while now and was looking to have a something with a little bit more power.

Would the TB48 suffer these gas issues with vapour or liquid injection?
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Post by bigbluemav »

TB48 would be awesome!! Particularly with the auto! WAY better than V8 swap!!
Big Dave, Scarborough, Qld
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Post by cooki_monsta »

the 4.8 is good, and it can be stroked to 6L, yes thats right, 6L thats bigger then most v8's
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Post by cooki_monsta »

oh but id never give up my turbo 42
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Post by bogged »

cooki_monsta wrote:oh but id never give up my turbo 42
Turbo 6ltr GU donk?
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Post by baggers »

Has anyone had any experience with the AXT turbo kits for TB42's?
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Post by baggers »

bogged wrote:
cooki_monsta wrote:oh but id never give up my turbo 42
Turbo 6ltr GU donk?
Hmm, Eleventy billion horsepower would be handy, but I think it's tad out of my budget...
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Post by bigbluemav »

cooki_monsta wrote:the 4.8 is good, and it can be stroked to 6L, yes thats right, 6L thats bigger then most v8's
A long stroke, high capacity 6 cyl petrol! THAT would be something to see!!

Who does the crank and rods, and more importantly, how much??!!
Big Dave, Scarborough, Qld
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Post by create »

bigbluemav wrote:
cooki_monsta wrote:the 4.8 is good, and it can be stroked to 6L, yes thats right, 6L thats bigger then most v8's
A long stroke, high capacity 6 cyl petrol! THAT would be something to see!!

Who does the crank and rods, and more importantly, how much??!!
have a look here.


Do a search for Brian Crower on youtube too. There are some really crazy arabs out there
http://www.briancrower.com/makes/nissan/tb48.shtml
Nissan GQ Patrol '89
TB45 ~ LPG ~ 33' bighorns
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