Rebuilding Zf's

[keg444]

Hi All

Some awesome info here, good to see there are actually people out there who know there stuff about the ZF's.

Im having drama's with my ZF 6SP in my 06 BF MKII XR6T, not running as much power as you guys but she goes alright (340kwrw). 115k's on the clock.

Very unnerving whirring sound when on juice, when in drive it sometimes wont shift up a gear and stay in 3rd.

I have had it go in to protective mode twice after giving it a bit, wont engage any gears with the gear select flashing.

When in tip mode theres about a 3 second lag between shifts in 1 to 2nd not so bad through 2nd to 3rd.

Havent driven in about 10 days now, too scared too, appreciate if anyone could reccomend any one in sydney or NSW, or should I just bight the bullet and take it down to Dave at Kewish.

[qik1]

If ya have the time to wait due to transport time, send ya g/box to rob & brett at mte in perth. Price wise there more than competitive & quality wise there second to none. Ive done over 15000klm, a full track day & uncountable dyno pulls & its still performing like the day we put it in. Its due for a service but is all good. We're gonna try & do a couple of track days, runs down the 1/4 plus a sh!t load more dyno pulls so we'll give it a real hiding/test. There an outstanding box & when it does go (not if it when) I wont be disappointed. Will send it back to wa get them to work there magic & have a go at really breaking it lol

[Pazzo]

RVO in dandenong speak to dave, charges about $3500 to $4000 for a fully rebuilt to handle more power. and knows what he is doing, has rebuilt heaps of them.

[kovac]

This may sound like a noob but I was told that u can get a zf 6sp rebuilt with ceramic gears which hold more torque for $10,000 it doesnt sound right to me but has anyone else heard this

[FORDCRAZY]

All the info posted here is awesome. Now for the drag strip, it sounds like all the pieces to the puzzle are here to get the zf to perform on the strip. I'm guessing getting box rebuilt by monsta torque, 3000rpm stall min so your right on boost (my car makes 700rwnm @ 3000 and boosting it's max 13psi) on with it, then get xft to do edit and tune it for the task at hand (drag racing) add diff ratio upgrade M/T's and should see big improvement in times. Can anyone point out if there is a flaw in this hypothetical assumption. As I'm trying to get the most of my 357rwkw on the drag strip. Cheers

[45T-XR]

Great thread mate, looking to rebuild mine also soon, Be interesting to see far theses can be pushed with the new input shaft and ZF software.

[45T-XR]

Also can you uses the upgraded clutches for a rebuilding these, as in are the thickness of the plates and clutches the same? If so they should go straight in. But if this was done will the shift pressures/etc have to be modified to suit the altered slip characteristics of the new clutches?

[g6t]

bult zfs does anyone no if they have found or make stronger input shafts & r they fitting them as I have read of high hp car breaking them.

Edited 27/10/11 02:07 AM by g6t

[sexual harrassment panda]

as far as I know the fg's got a better input shaft than the bf's. BF ones are iffy above 350rwkw.

the one that you are talking about has massive torque, with the standard g6et/fg xr6t turbo you won't twist/snap an input shaft

[g6t]

  On 27/10/2011 at 2:43 AM, sexual harrassment panda said:

as far as I know the fg's got a better input shaft than the bf's. BF ones are iffy above 350rwkw.

the one that you are talking about has massive torque, with the standard g6et/fg xr6t turbo you won't twist/snap an input shaft

^^ just snapped my input shaft my in my yellow f6 321rwkw & yes it used 2 have 359rwkw on 100 octane fuel, 321 at moment of broken shaft its probably been twisted 4 a while, im just looking at getting new shaft fitted as car is 4sale any 1 help on prices I have a toxic f6 with a built zf from mt it was $2700. I had 1 quote $2300 I thought it was a bit much considering price of built 1.

Edited 05/05/12 08:11 AM by SPYDR