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Old 07-06-2004, 05:37   #1 (permalink)
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ef 6 vs vn v6

Hey guys im just wondering if my ef 6cyl falcon will beat my mates vn v6. He wants to give me a drag but i know if he wins he won't shut up about it so im not sure. His car feels a lot more responsive down low and off the line. Both are autos.
Also my car only revs to 4600 flat out in auto mode with car in normal (not economy mode) is that normal??? Thanks guys.
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Old 07-06-2004, 05:51   #2 (permalink)
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Re: ef 6 vs vn v6

the VN will probably have you off the line because of the 3.08 diff in your falcon

you should catch him over a quater mile though

dunno about the 4600rpm though, my EF rev's to the redline which is 5500rpm i think
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Old 07-06-2004, 05:54   #3 (permalink)
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Re: ef 6 vs vn v6

His feels better off the line because commos have better first gears. Should reel him in with 2nd and 3rd though, provided you have a long enough piece of private road.

Saying that, my mate wanted to drag me in his VN, until I took him for a spin one night.
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Old 07-06-2004, 05:55   #4 (permalink)
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Re: ef 6 vs vn v6

The EF should change at 5500rpm at wide open throttle when in normal mode, and 5000rpm when in economy mode..
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Old 07-06-2004, 06:45   #5 (permalink)
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Re: ef 6 vs vn v6

yup, yagz is right about the rev limits. 4600 is definately not the highest it can go!

A VN will beat you off the line, but you will definately catch up and beat it. if you cant beat it, get your car to a mechanic!
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Old 07-06-2004, 07:29   #6 (permalink)
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Re: ef 6 vs vn v6

back2thefutura, are you the guy who works at the numberplate rego office?
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Old 07-06-2004, 10:48   #7 (permalink)
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Re: ef 6 vs vn v6

Forgive me for going off topic here, but why does a bigger ratio diff better, does it spin the wheels faster or something, or provide better grip and traction? Also since mine is making a noise and I'm looking to replace it, what would you suggest getting, and is there like a top of the line diff for falcons?
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Old 07-06-2004, 15:25   #8 (permalink)
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Re: ef 6 vs vn v6

the ratio is how many times the drive shaft spins for every rotation of the wheels... the easiest example is a bike... put it in a high gear and you can move very far for ever rotation and the pedals. Put it in a low gear and you can spin your pedals really fast and get going quickly. same is the engine, but the lower the diff ratio, the higher the gear is. So if you put a 3.45:1 ratio on, the engine has to spin alot quicker, but youll get going really quick. compared to a 3.08:1, your take offs will be slower, but the wheels spin more for every rotation at the engine, so you rev your engine less and you have better fuel economy, at the expense of speed.

and i dont think that a higher diff ratio would give any of us better traction
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Old 07-06-2004, 15:26   #9 (permalink)
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Re: ef 6 vs vn v6

Quote:
Originally Posted by EFXR6_Yagz
back2thefutura, are you the guy who works at the numberplate rego office?
you're looking for Blackout.
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Old 07-06-2004, 16:47   #10 (permalink)
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Re: ef 6 vs vn v6

Quote:
Originally Posted by mute
the VN will probably have you off the line because of the 3.08 diff in your falcon
VNs have a 3.08 diff as well. So it's not because of the diff, it's because of the short first gear in the Commodore.

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