FG Mk1 -Already slipping?!

[KEET]

Hi Folks,

Have an FG Mk1, tuned years back quite basically to 292rwkw, also had gearbox tune (both X4). More recently I've made more mods to car and gone to 340rwkw, not too sure whether the X4 mapping is still part of the gearbox set up given that I'm now on a PCMTEC tune. 

 

Short story long; thought I was probably OK at 340rwkw without any mods to the ZF.

Before the 340rwkw tune went in, I did have the trans fully serviced.

Now about 4000km on since the 340 tune, the mid range torque feels much higher, or I shouls say DID feel higher as now some times it feels like the engine is spinning up but that is not being translated through to actual acceleration.

 

I knew very little about auto transmissions until 24hrs ago.    Having read up lightly on the ZF, I think:

 

340rwkw is still possibly problem territory as transmission has 175K on it and the torque is really the rating of interest rather than the rwkw (rwkw are just a good indicator to your peak torque).

Shifter does feel/sound a little bit clunky through the gates, not terrible, but noticeable

The acceleration (even from rolling) in a number of the gears does not feel as strong as it did when the tune went in.  I think I could be outrun by something pretty modest.

Bimbles round town ok, perhaps I touch more sluggish off the mark than I can recall in years gone by.

There is a bit of a rich sweet smell recently, certainly stronger in the last couple of weeks once I stop up and wait at lights.  I know what is coming.......get a transcooler!

 

Thinking the best thing is to first get an initial inspection look at levels,  fluid condition and debris.   Probably best scenario is that the last place didn't use the best fluid (lifeguard) or have under/overfilled it, or it is leaking. 

 

DOES ANYONE KNOW OF A REALLY GOOD ZF 6 place in Sydney?    I don't want to default to a rebuild if it is not necessary (consensus seems to be might be OK at this "power") so looking to work out whether only a light inobtrusive repair might actually address it?

 

If I have toasted something within, then thinking there is a mob/individual out of moorebank that do rebuild or rebuild with upgrades; any one used "Deni"?

 

Anyone know of which components (if fluid is not the matter) are chief candidates for letting go first up at these lower modded power levels?  Am I possibly wasting my time trying to get a zero modifications ZF deal with this power level?

 

Any thoughts very gratefully received 

 

cheers.

[gsd112]

Mate I get my ZF serviced at Precision Racing. My car has been built by them as well. Same price as my local trans shop for the service.