ratter Member 6,793 Member For: 18y 10m 21d Gender: Male Location: @ my laptop Posted 04/04/14 01:50 AM Share Posted 04/04/14 01:50 AM from what I have been told by several ZF specialists is that oil flow is critical, the factory cooler lines are something like 12-13 mm (maybe 1/2") most aftermarket oil to air coolers are only 3/8 internal size and this will restrict flow, even if large size hoses are used to the cooler. Not saying this is your issue but could be a starting point. Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463447 Share on other sites More sharing options...
arronm Dropping a turd Gold Donating Members 9,520 Member For: 17y 5m 21d Gender: Male Location: Perth Posted 04/04/14 01:51 AM Share Posted 04/04/14 01:51 AM Those coolers are mostly barb 10mm. Not really enough for ZFJust noticed my cooler has nice rubber mounts. Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463448 Share on other sites More sharing options...
sct911 Member 848 Member For: 12y 5m 11d Gender: Male Posted 04/04/14 02:14 AM Share Posted 04/04/14 02:14 AM (edited) FARK I paid $700 installed, was hoping it would be good enough. Any sort of wind deflector that can be made to force air through the damn thing?Looks like PWR will be my next option whenever funds allow.Ratter, when I go home I will take pics of cooler lines and try to measure size Edited 04/04/14 02:16 AM by sct911 Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463450 Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 10m 21d Gender: Male Location: @ my laptop Posted 04/04/14 04:13 AM Share Posted 04/04/14 04:13 AM arronm, agree about the barbed ones but there are some coolers that take dash type fittings that are still small internally, most people do not even realise the size required Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463472 Share on other sites More sharing options...
old_mate Member 767 Member For: 19y 2m 4d Gender: Male Location: Brisbane Posted 04/04/14 05:56 AM Share Posted 04/04/14 05:56 AM Have you spoken with joe? Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463494 Share on other sites More sharing options...
sct911 Member 848 Member For: 12y 5m 11d Gender: Male Posted 04/04/14 06:46 AM Share Posted 04/04/14 06:46 AM (edited) Not yet mate, just wanted to make sure if its normal or not because other customers of his have never had a problem, including vevapower with 535rwkw.Also saving for a new tune, I want the actuator preload tighter. Once I have enough dough for a new tune I will drop the car in and mention ZF overheating issues Edited 04/04/14 06:50 AM by sct911 Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463501 Share on other sites More sharing options...
rednose RNS10S Donating Members 2,229 Member For: 18y 8m 1d Gender: Male Posted 04/04/14 07:00 AM Share Posted 04/04/14 07:00 AM I would be sorting the Zf asap, otherwise it could be an unnecessary costly rebuild. Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463507 Share on other sites More sharing options...
sct911 Member 848 Member For: 12y 5m 11d Gender: Male Posted 04/04/14 07:07 AM Share Posted 04/04/14 07:07 AM with normal grandma style driving, overheating warning doesnt come on . Will tame the right foot until it's sorted. Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463508 Share on other sites More sharing options...
Bellato Donating Members 2,713 Member For: 14y 5m 29d Posted 04/04/14 09:44 AM Share Posted 04/04/14 09:44 AM I have an external trans cooler on mine behind the fog light installed 12 months ago and it slowly developed a flare from 2nd to 3rd and now sometimes 3rd doesn't shift straight away, it holds the gear for 2 seconds then shifts. This is every day driving stuff, seems to shift fine at wot. Thoughts on whether it is the trans cooler or possibly something else like oil level? Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463545 Share on other sites More sharing options...
Bulletime Donating Members 937 Member For: 14y 3m 8d Gender: Male Posted 04/04/14 09:53 AM Share Posted 04/04/14 09:53 AM Oil level is a good bet, or at least first thing to rule out. Beyond that maybe pressures from the changed hoses, or just too many burn outs but since so many ppl have the external cooler without issue it sounds like fluid level could be the cause Link to comment https://www.fordxr6turbo.com/forum/topic/87822-pwr-heat-exchanger-or-air-to-air-in-zf/page/5/#findComment-1463547 Share on other sites More sharing options...
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