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It will be interesting to see how long modified XR6T motors last for. If the motors last “forever” then good luck to them making big power.  

All of a sudden aussie car bashing goes quiet because of a turbo…….

That car would have had 90/10 shocks and other stuff to help it hook up just to go straight. U wouldnt use the same setup on the street, so it wouldnt be that fast on the street.

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"It still amazes me how advanced japanese engines are, the XR6T is a 4.0 L turbo.  

Making 250kw.  

GTR engine is only 2.6, and is very close to 250kw, even tho its stated to be 206"

You’re comparing a motor that has been in production for maybe a year to a motor that has been around for how many years?  

Development takes time and dollars. Because a motor makes xx hp/ci, doesn’t make it more technologically advanced than another. Otherwise a 350 chev would be one of the most advanced motors when it comes to hp/ci.

Upset at 10.9 from 405rwkw? Who cares how much power he made. It’s a brand new ute and it ran 10.9. Bloody good effort.

Huh? So what if the xr6t motor has only been in production for 1 year.

So was the 89 r32 GTR RB26DETT engine. Still made almost 250kw from only 2.6L.

15 years later, ford releases a 4L engine and its only making similar power...

Get what im saying now, its not power that makes it more advanced. More so when it was released.

I didnt say anything about 'because this engine makes this much power its more advanced than another'..

they dont just throw an engine together, it would have been in development for years.

the point is that the rb26dett came out in 89 (could be earlier) and compared to a new age engine that is supposed to be the best new technology it still matches up while be a smaller capacity. same for the 1jz and 2jz. therefore it goes to show just how far ahead the japanese are than the rest of the world. also that that an engine can be in production for 15 years and still be one of the best around.

Sorry, posted before i read this ^

But he sums what i was trying to say up perfectly :)

I think the XR6 Turbo would kill the XR8 if built to its capabilities but Ford wouldn't want it to kill off the sales of the XR8. that's what most Aussies love ( i said most not all)

Also, after talking to a salesman and going for a ride, he said the turbo starts at 5psi and winds down to nothing in the high rev range.

now if that doesn't leave room for mods, what does!

Oh and some more, i know pretty much nothing about which turbo is which but I've seen mine under the hood, and the Ford one was in easy view and just by eyeballing it, it looked pretty big!

I think the XR6 Turbo would kill the XR8 if built to its capabilities but Ford wouldn't want it to kill off the sales of the XR8. that's what most Aussies love ( i said most not all)

Here's a thing for you though - twin turbo the XR8 and see which one is in front then! The current Ford V8 is very underrated. You just need a hell of a lot of money to unlock the potential. Think Soarer V8 aftermarket twin turbo, it's in the same league.

guys, I own a new XR6Turbo and all I can say is WOW.

Ford detuned the T because they made a lot more power than the XR8, but to avoid loosing sales, they detuned the T to 240kw. The new series 2 is rumored to be around 260kw. There are several stock cars pulling 215RWKW on shoot6 dynos.

The have also not cracked the ECU in these cars yet, as soon as this happens we will be able to move the redline above 5800rpm as this is the biggest limit these cars have. This will then allow people to do a lot more with these engines.

To compare these engines with a RB26 is not right. The RB26 is I believe the best motor ever built, the Barra 240T is a goos engine with a hell of a lot of potential. Did you guys see the Torque figures people are getting with mods ?

APS Phase 2 engines are 650nm and 330fwkw :wassup:

I will be getting the APS phase 2 kit in the next 6 months and this will give me a 12 second car. The cost is $7600 for this upgrade and it gives you fuelpump, injectors, ecu, exhaust, valve springs and intercooler. I am not doing these mods for drag racing, but for Dutton rally next year.

I am also doing a Whiteline full kit. This will make the slug handle. Its just a pitty the car weighs over 1700kg

The RB26 would cost Nissan a lot more to build than the XR6T engine costs Ford... The RB26 has to be able to withstand much higher revs and boost from the factory so it needs closer tolerances, stronger and better balanced internals etc.

For the price, the XR6T engine is bloody good, and imagine what you could pull if you rebuilt it to withstand higher revs and boost, ran aftermarket management and ran more boost through it

You also have to remember that other parts of the drivetrain may only be rated to a certain torque which limits the amount of power and torque you can let the engine make, and a 4 litre turbo is certainly going to make a mountain anyway

Talking about power per litres etc, what about the BMW M3 CSL? 3.2ltr, Straight Six, N/A 265kw's - that's what i call impressive. No turbo, same number of cylinders, less litres than the Ford. Plus a shiteload of carbon fibre :cheers: Carbon fibre roof anyone? :)

Posted by knore

It still amazes me how advanced japanese engines are, the XR6T is a 4.0 L turbo.  

Making 250kw.  

GTR engine is only 2.6, and is very close to 250kw, even tho its stated to be 206

Huh? So what if the xr6t motor has only been in production for 1 year.  

So was the 89 r32 GTR RB26DETT engine. Still made almost 250kw from only 2.6L.

15 years later, ford releases a 4L engine and its only making similar power...  

2.6 litre DOHC making 206 kw on 9 psi, or 250 kw on 14.5 psi.

4.0 litre DOHC making 250 kw on 5-6 psi.

What is wrong with those figures...? I don't see an anomaly.

Apart from the peak power figures of the two engines, there is not much alike.

One is a torque monster with maximum torque available from just about idle.

The other is a high revving alternative with not much under 3500 rpm.

Ford didn't start building turbocharged engines last year, there just wasn't a justifiable market in Australia. Sierra Cosworth and RS500 were making a considerable amount of power from 2 litres in 1986-87.

The XR6T engine uses an internallt gated GT40 BB turbo that runs a max of 5 psi. It has a tiny cooler and a HUGE amount of room for mods and African American HP as can be seen from plenty of cars that are making big power already with these engines. The 10.9 was run by the C&V Performance orange XR6 sedan when it had 385rwkw. It now has 405rwkw.

At Drag Combat there was a white XR6T tray-back ute that was street driven and on street tyres that ran plenty of 12.1's then ran an 11.9. Not bad for a daily on street tyres.

2.6 litre DOHC making 206 kw on 9 psi, or 250 kw on 14.5 psi.

4.0 litre DOHC making 250 kw on 5-6 psi.

What is wrong with those figures...? I don't see an anomaly.

Apart from the peak power figures of the two engines, there is not much alike.

One is a torque monster with maximum torque available from just about idle.

The other is a high revving alternative with not much under 3500 rpm.

Ford didn't start building turbocharged engines last year, there just wasn't a justifiable market in Australia. Sierra Cosworth and RS500 were making a considerable amount of power from 2 litres in 1986-87.

I dont know what your talking about.. anomaly?

But the RB26DETT made alot closer to 250kw on standard boost, not 1 bar.

Its stated to have 206kw, but so is the 2jz supra, nsx, etc etc it was just an approx agreement on a power figure.

So what if there isnt a justifyable market for turbos in australia, Ford is one of the, if not the biggest and most profitable motor company in the world, therefor you would think they would be making the most technelogically advanced cars available.

Look, all im saying is ofcourse a 4L turbo is going to be crazy. Ford had the right idea, but then put it in a 1700kg car?

Ford and holden are too concerned on making there heavy cars go faster. They need to design lighter cars and then they will wreak havok.

If Nissan can make a car with a 12sec standard QM time in 1989, then ford and holden are WAY behind when it comes to performance vehicles.

So what if there isnt a justifyable market for turbos in australia, Ford is one of the, if not the biggest and most profitable motor company in the world, therefor you would think they would be making the most technelogically advanced cars available

I agree with you on much of what you have said, but i think you missed the point here. They may be one of the most profitable but that doesn't mean their cars have to be the most technologically advanced. I think they got where they are by selling affordable and practical cars.

The knore post above sounds more close minded than a Holden bogan.

If its not a Nissan its not a car right? And I still don’t know how a motor with 15 years of aftermarket development and xx millions dollars spent on aftermarket GFB, is more technologically advance because it makes more kw/l than a ford 6 from factory. When we aren’t even comparing cars from the factory anyway!

Eddie Tassone’s VH makes 246 hp/l. Is his motor more technologically advanced than an RBxx. I think not.

To say one is more advanced than another based purely on power out put is not valid.

You couldnt be further off the truth, i like any car that that has been built well. If u read the start i said i like it.

I think its good they are taking a step towards turbo performance again.

Once more for the people who keep disecting what im saying.....

I was simply saying that japanese engines are so much more advanced in performance terms than what ford and holden make here, ok?!

Now back to the xr6t,

theres was a good article recently in zoom i think that talks about how 'disabled'

they released it. That it would of seriously been right up there in the performance competition if they had some more leniency towards the power output.

I dont know what your talking about.. anomaly?

Anomaly : Deviation or departure from the normal or common order, form, or rule.

Haven't you watched Matrix...?

Here are some factory outputs for you :

DOHC 2.6 litre running 0.6 bar = 4.16 litre = 206 kw

DOHC 2.6 litre running 1 bar = 5.2 litre = 250kw

DOHC 4.0 litre running 0.35 bar = 5.4 litre = 250kw

DOHC 2.0 litre running 0.6 bar = 3.2 litre = 160kw

But the RB26DETT made alot closer to 250kw on standard boost, not 1 bar.

I must have been duped, my GTR only had about 206kw from the factory. Farken Nissan ripped me off !

So what if there isnt a justifyable market for turbos in australia, Ford is one of the, if not the biggest and most profitable motor company in the world, therefor you would think they would be making the most technelogically advanced cars available.

Did you read my post above...?

Have you heard of the Sierra Cosworth and RS500 that came out in 1986-87...?

Once more for the people who keep disecting what im saying.....

I was simply saying that japanese engines are so much more advanced in performance terms than what ford and holden make here, ok?!

Don't feel so privileged.

Only your utter nonsense draws attention, not much else.

Ford owns Aston Martin, Jaguar, Land Rover, Volvo, Lincoln, Mercury and a percentage of Mazda.

In the meantime, Nissan had to sell %15 of its' shares to Renault to survive.

Ford Australia stopped producing all performance vehicles in the 80s and didn't even produce V8s till the 90s. They never had a bail out from the government.

In the meantime, Nissan Australia closed its' doors in Australia and are importing every car from Japan. Mitsubishi Australia is about to follow the same route.

Hmmm... Why do you think that is...?

Nissan started concentrating on 4 door sedans lately, i wonder why...? Maybe they don't want to sell another %15 to Renault in 3 years time.

Ford have been involved in Indycars, World Rally and F1 for years, where does Nissan stand in the world of Motorsport...?

I am a Nissan man just as much as you are, i've owned Nissans for the past 15 years. That doesn't mean i should spit out shite like you have been. Take your blinkers off and look around once in a while.

omg u need to relax :slap:

where did all this come from u weirdo, when have i said anything thats "utter nonsense"?

what shit have i spat out ? ;)

personally i dont give a ****, we are all here to share information and ideas on a common interest, so dont get so worked up about it

and dont be a smart ass

PS can we stop hijacking this thread now

where did all this come from u weirdo, when have i said anything thats "utter nonsense"?

what shit have i spat out ?

Do you want to stop hijacking the thread or do you want me to show you your "utter nonsense"...?

It still amazes me how advanced japanese engines are, the XR6T is a 4.0 L turbo.

Making 250kw.

GTR engine is only 2.6, and is very close to 250kw, even tho its stated to be 206

Hayabusa makes 114 kw from 1.3 litres. Those Japs are far too advanced.

15 years later, ford releases a 4L engine and its only making similar power...

Did you want it to make 400kw...?

But the RB26DETT made alot closer to 250kw on standard boost, not 1 bar.

No it didn't.

So what if there isnt a justifyable market for turbos in australia, Ford is one of the, if not the biggest and most profitable motor company in the world, therefor you would think they would be making the most technelogically advanced cars available.

See my post above

Ford and holden are too concerned on making there heavy cars go faster. They need to design lighter cars and then they will wreak havok.

See my post above.

This is getting way too repetitive.

If you like to go around circles, go to an amusement park and hop on a merry-go-around.

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