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Fg Heat Exchanger Genuine Vs Aftermarket (Eg:pwr)


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  • WOT?
  • Moderating Team
  • Member For: 11y 9m 18d
  • Gender: Male
  • Location: Frankston, 3199
Ok. Let me put it this way. I getting my zf built. What should I do

Or - listen to what the guy building your ZF recommends

Edited by Rab
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  • Sandtrap Motorsport
  • Donating Members
  • Member For: 16y 18d
  • Gender: Male
  • Location: Perth

Study the information presented,do your research and make an informed decision. All you'll get from this thread is conflicting opinions.

Go holinger to avoid any of these issues

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  • Manual mode ________________________ All day, erryday
  • Donating Members
  • Member For: 17y 18d
  • Gender: Male
  • Location: Probably above atmospheric pressure

Don't build cars to avoid countless more issues hahaha

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  • 3 weeks later...
  • Member
  • Member For: 11y 1m 3d
  • Gender: Male
  • Location: Gold Coast

reviving this topic for some advice if anyone can help... ?

Iv decided to go a different route.. still risking the milkshake but added bonus of actually cooling both oil/trans fluid when needed..

Im going to replace the factory exchanger with an orange dot and continue to use this for the purposes of heating up etc so the zf wont freak out ..

BUT also add this bloke to help cool temps of both trans fluid AND oil too at the same time.. (4 passes for the trans and 2 passes for oil)

track days and a good booting on lap days will see both of these temps rise a lot and I cooked my oil last track day and lost a decent amount of oil pressure so I dont want to keep changing the oil as it broke down a fair bit..

going to plumb it in under the passenger seat and tuck it up there..

My question is : what line would be better to plumb the cooler into from the heat exchanger ? to give the most accurate reading before or after the exchanger has done its job ?

the front or the rear line and which is which ??

hopefully this gets me a good cooling system when im into it .. will be set up with a Davies Craig digital thermo controller and set to about 93-95 degrees on the trans side and it will cool the oil too when the trans temp rises.. total cost about $700 all installed with new orange dot item too..

post-74588-0-33611700-1441795972_thumb.j

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  • Dropping a turd
  • Gold Donating Members
  • Member For: 17y 1m 16d
  • Gender: Male
  • Location: Perth

Drop the fan temp down to 80-85c. Run the oil first through the factory heat exchanger and then the cooler.

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  • Member
  • Member For: 11y 1m 3d
  • Gender: Male
  • Location: Gold Coast

Cool that's what I was thinking too..

But which line is which ?? Plumb into front or rear line on the exchanger ??

And temps that low ?? I really didn't want the fan to work unless in a situation where it's getting too hot.. The flow underneath the car should give it enough cooling without needing to use the fan all the time yeah ?? I thought the trannys liked to work on 90deg..

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  • Dropping a turd
  • Gold Donating Members
  • Member For: 17y 1m 16d
  • Gender: Male
  • Location: Perth

Bottom fitting on the gearbox is the outlet. Take the oil through the heat exchanger first then through the air oil cooler. This is the same way ford do it.

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