Bellato Donating Members 2,713 Member For: 14y 7m 3d Posted 22/08/14 11:11 AM Author Share Posted 22/08/14 11:11 AM On 20/08/2014 at 8:11 AM, Wilko16 said: Maybe your oil is to cold. How big is the external cooler you put on?And are the lines big enough, remember longer cooler lines need to be bigger as wellCooler isn't that big and last service it wasn't filled up based on L, but supposedly the correct fill method. Lines should be big enough, its the kit my tuner uses on all their falconsSounds like I'm going to have to get the oil level check again! Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1494453 Share on other sites More sharing options...
Bomber Carnage on the Garage Floor Donating Members 3,994 Member For: 15y 11d Gender: Male Location: Gold Coast Posted 23/08/14 01:25 AM Share Posted 23/08/14 01:25 AM and... maybe change your coils. Did mine and noticed the quirky cold stuff was nowhere near as prevalent this morning. Could be a coincidence however. Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1494541 Share on other sites More sharing options...
turbotrana Member 2,586 Member For: 22y 1m 22d Gender: Male Posted 23/08/14 07:23 AM Share Posted 23/08/14 07:23 AM A strong ignition system definately helps Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1494589 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 29d Gender: Male Location: Perth Posted 23/08/14 08:30 AM Share Posted 23/08/14 08:30 AM Yup, running stock gap and a spark booster of some description is the way to go imho. These cars drive so much better with decent gaps and strong spark. 1 Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1494606 Share on other sites More sharing options...
VippiN Member 94 Member For: 16y 4m 15d Gender: Male Location: Adelaide, Australia Posted 23/08/14 08:51 AM Share Posted 23/08/14 08:51 AM I had the same fluctuating rpm after my trans cooler was installed. Turned out the people that did it didn't top the oil back up. After it drank about 800ml of life guard it's been fine every since, even when stone cold in the morning at 3c. Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1494608 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 7m 3d Posted 25/08/14 04:47 AM Author Share Posted 25/08/14 04:47 AM Yea but we get down to -5c here and the car hates early morning and late night starts lolBooked the car in for next wednesday. Without seeing it they think either an oil related issue or converter issue. Never heard of problems with converters so hopefully its not thatCheers for the input guys Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1495005 Share on other sites More sharing options...
FiftyOne Bronze Donating Members 1,145 Member For: 11y 10m 21d Gender: Male Posted 25/08/14 10:36 AM Share Posted 25/08/14 10:36 AM +1 oil & not convertor. Never heard of a convertor issue Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1495130 Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 11m 25d Gender: Male Location: @ my laptop Posted 25/08/14 11:30 AM Share Posted 25/08/14 11:30 AM I've heard of a convertor issue, actually seen it as well, required a trans rebuild and a new convertor Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1495149 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 7m 3d Posted 25/08/14 12:19 PM Author Share Posted 25/08/14 12:19 PM Any idea of what the symptoms were on the converter failing? Or what the cause was? Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1495163 Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 11m 25d Gender: Male Location: @ my laptop Posted 25/08/14 12:58 PM Share Posted 25/08/14 12:58 PM Looks like it was the lock up clutch failing, ended making the box do some weird stuff when the rubbish went through it but the engine revs would fluctuate a couple if hundred revs at steady road speed Link to comment https://www.fordxr6turbo.com/forum/topic/89011-zf-revs-fluctuate/page/2/#findComment-1495172 Share on other sites More sharing options...
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