rj Posted April 15, 2019 Share Posted April 15, 2019 Does anyone know how much coolant is needed for a K-engined S3 with no heater from dry?Think I'll go waterless and then have a smaller expansion bottle to save weight. (Or maybe it's just because there really isn't enough space for the old one) Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted April 15, 2019 Member Share Posted April 15, 2019 5.5 L, but not agreed.Jonathan Link to comment Share on other sites More sharing options...
John Vine Posted April 15, 2019 Share Posted April 15, 2019 Think I'll go waterless...Cue long discussion on pros and cons.... JV Link to comment Share on other sites More sharing options...
rj Posted April 15, 2019 Author Share Posted April 15, 2019 Con: Expensive and not easy to top up if you haven't got extra with you.Pro: Lower pressure, hence not the same need for a huge expansion bottle which is good when space is at a premium.(and smaller bottle, less coolant=lighter) Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted April 15, 2019 Member Share Posted April 15, 2019 Bounced.Jonathan Link to comment Share on other sites More sharing options...
Wrightpayne Posted April 15, 2019 Share Posted April 15, 2019 There is an F1 engineer on Pistonheads who runs a 350k + mile Porsche 996. He is not a big fan of the stuff and wrote a long explanation why. I’ll see if I can find it. Link to comment Share on other sites More sharing options...
rj Posted April 15, 2019 Author Share Posted April 15, 2019 Thanks Ian Link to comment Share on other sites More sharing options...
rj Posted April 15, 2019 Author Share Posted April 15, 2019 I've just realised that it's flamable.Back to the drawing board. Or at least to re-consider if this is a good idea. Being an ex-fireman I am a bit paranoid on fires. Link to comment Share on other sites More sharing options...
Wrightpayne Posted April 15, 2019 Share Posted April 15, 2019 Still looking (its a long thread) - flammable was one of the reasons! Link to comment Share on other sites More sharing options...
Wrightpayne Posted April 15, 2019 Share Posted April 15, 2019 Here is the thread page re waterless coolant. The guy has similar attention to detail as you !! Worth a read if you have a spare couple of hours !One of his comments is that F1 still use water for cooling which says it all really!https://www.pistonheads.com/gassing/topic.asp?h=0&f=47&t=1601182&i=680 Link to comment Share on other sites More sharing options...
elie boone Posted April 16, 2019 Share Posted April 16, 2019 i have seen a Dodge Viper GT1 that had no header tank, dunno exactly how it works and how to configuration or how to bleed the system and i can't find any info online. Link to comment Share on other sites More sharing options...
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