Bawwxay Member 60 Member For: 2y 9m 1d Posted 03/07/23 11:35 AM Share Posted 03/07/23 11:35 AM With all the knowledge everyone has acquired over the years, what would the best transmission fluid be to put in a 2005 BA XR6 T5 manual transmission that’s behind a 240kw Barra turbo? I know they recommend DEXRON 2 and some sort of additive but I was thinking Penrite 75w80 gear oil? (As recommended by the penrite page ha) I am about to service the gearbox and not sure what to put in it as it’s out of a standard xr6 non turbo and I want to make sure the fluid helps preserve the gearbox as best as possible whilst giving the smoothest shifts. recommendations please 🙏 (I realise the best solution is a t56 but that’s later on lol) Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/ Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,407 Member For: 17y 5d Gender: Male Location: Melbourne Posted 03/07/23 02:38 PM Share Posted 03/07/23 02:38 PM Dexron 3 is the recommended fluid. It's a manual, shifts are never going to be amazing Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719332 Share on other sites More sharing options...
Bawwxay Member 60 Member For: 2y 9m 1d Posted 03/07/23 09:49 PM Author Share Posted 03/07/23 09:49 PM Surely there is a better fluid to use these days other than dex3? Does it still require an additive? Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719333 Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,407 Member For: 17y 5d Gender: Male Location: Melbourne Posted 03/07/23 10:31 PM Share Posted 03/07/23 10:31 PM It's just dex3 by itself. That's all you need, no additive. It's fine for the purpose of use in a T5 Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719335 Share on other sites More sharing options...
Tom Tucker Donating Members 701 Member For: 5y 9m 16d Posted 03/07/23 11:34 PM Share Posted 03/07/23 11:34 PM I've run both Dex 3 and the Penrite Pro gear oil (different cars, same TR6060 box) and haven't noticed any real difference in shift quality 1 Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719336 Share on other sites More sharing options...
Bawwxay Member 60 Member For: 2y 9m 1d Posted 24/07/23 03:57 AM Author Share Posted 24/07/23 03:57 AM (edited) Would it be perfectly safe and fine to run Penrite transgear 75w80 semi synth (as the penrite website recommends)? would it also be safe and would there be any downside or issues running Penrite progear 70w75 full synth? I just want to service the box and make sure it’s in tip top shape for being a daily as best I can, without knowing what fluid has been used in it already. pushing 240+kw in a 182 t5 I want to make the right choice 😅 Edited 24/07/23 04:00 AM by Bawwxay Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719555 Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,407 Member For: 17y 5d Gender: Male Location: Melbourne Posted 24/07/23 04:08 AM Share Posted 24/07/23 04:08 AM They're probably all fine, it's a manual... as long as you're easy on the synchro's you should be fine with basically anything... the fluid won't help it survive torque of the extra power. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719556 Share on other sites More sharing options...
Bawwxay Member 60 Member For: 2y 9m 1d Posted 24/07/23 04:10 AM Author Share Posted 24/07/23 04:10 AM Thanks, that explains a lot haha which of the two would be better to go for smoother shifts then and regular servicing? Since nursing the extra power is the safest bet to keep the t5 happy. Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719558 Share on other sites More sharing options...
Tom Tucker Donating Members 701 Member For: 5y 9m 16d Posted 24/07/23 06:51 AM Share Posted 24/07/23 06:51 AM The Progear man Link to comment https://www.fordxr6turbo.com/forum/topic/97020-best-fluid-for-t5-manual-in-an-xr6-turbo/#findComment-1719562 Share on other sites More sharing options...
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