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F6 Vs Xr6t


Harry

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  • Member For: 18y 2m 4d
  • Gender: Male
  • Location: NSW

Like I've said before, I don't beleive the mag times for the F6.

Considering people have acheived low 13s in a stock BF, and that modded BFs with similar power to the FGs have clocked 12s, there is no way the mags are acurate.

Also, Test Drive on Sunday, lapped the FG F6 nearly 2 seconds quicker than an R* round their test track, which also shows a much bigger speed difference that what the mags report.

We'll know what these things can really do when we get a few members running their own 1/4 times.

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  • Member For: 21y 6m 12d
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Autotech ran up a G6T the other day and it made 239rwkw at 10psi back to 8. I would suspect that it has the same injectors as the BF so with a tune it would max out at 270rwkw at probably 10psi up top.

This would suggest that the F6 has bigger injectors. How much flow they will allow for is yet to be seen.

The F6 is worth the extra $ over the XR6T imo aside from the improved parts.

FG Turbo injectors are bigger than the BF ones, and the F6 ones are bigger again. Turbos no longer use the same injectors as the base 6 like in the BA/F.

Same bottom end now isnt it......

Pistons are now different, lower compression for F6. Everything else is the same.

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  • Member For: 19y 7m 15d
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If the F6 has lower compression, maybe it has less torque until the boost kicks in. Combine that with reasonably low boost, then maybe the extra boost while standard has not given as much of a performance boost over a stock FG Turbo. Room for improvement is greater though.

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  • Member For: 18y 2m 13d
FG Turbo injectors are bigger than the BF ones, and the F6 ones are bigger again. Turbos no longer use the same injectors as the base 6 like in the BA/F.

Plus I was under the impression that the FG turbo injectors are running at very near 100% duty cycle, meaning that the first aspect of any modding should really be addressed at fueling.

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  • Member For: 20y 27d

the old gt-ho in its day did a 14.3 quarter mile and since then we have only shaved of one and a half seconds in the last 30 years.

and most people know that when you get past 13 seconds quarter mile you will have to put alot of power into the engine to get it to go faster and 40 kws and and 30 more nm or torque will not cut it.

we were all wishing for the f6 to do under 12s but this is I think a little to much to ask.

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  • Member For: 19y 10m
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Dude.stock BF F6,s have run 12,s and so will the FG.As with your debate with a GTHO,well how much lighter do you think it is over the F6.....

HEAPS!!!!!!!!!!!!!!!

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  • Member For: 18y 2m 13d

Fuel efficiency and general manners are just 2 of the significant engine improvements over the 30 years, not to mention pretty much everything else both within the car and surrounding its development.

But I think the main point you've made is quite valid.

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Dont listen to hard to motoring journo's reviews. The F6 is a lot more car than the XR6T in desirability, handling, resale value and performance.

In fact according to the motoring sites and mags including Wheels extensive testing, the FG G6ETurbo is faster than the XR6T despite being slightly heavier, and in fact it is faster if you just put your foot down and time it.

In reality off the lights the XR6T will eat the G6ET simply because the G6E does not have an LSD. Damned acronyms.

I think you will have trouble trying to stay with the F6 in an XR6T.

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  • Member For: 21y 7m 7d
...

In reality off the lights the XR6T will eat the G6ET simply because the G6E does not have an LSD. Damned acronyms...

You know normally I'd agree with you.. and that what I first thought, but all the magazine testing has said otherwise! In fact when Wheels said they got the 0-100 time of 5.1s, they repeated it over and over and over again.

I think the XR6T will still have an advantage however on slightly uneven/bumpy surfaces where traction may become more of an issue.

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  • Member For: 21y 6m 12d
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They both have the same engines, autos, tyres etc, but the G6ET is heavier and has no LSD. Basic power to weight rules say the XR will be quicker by maybe a tenth, but all engines are different and it may have been a case of normal production variability that the G6ET they tested may have had a healthier engine than the XR, or may have been run in more, while the XR still might have been a bit tight. But line 20 G6ET's up against 20 XR's and in theory the XR would be faster probably 90% of the time due to that variability.

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