kasin Posted February 22, 2021 Share Posted February 22, 2021 HiI am now in the process of modifying my K – series cooling system. I have bought a PRRT and will be mounting this. I also have a heater that I need to be able to use, as it gets quite chilly over here in Norway. Would it be fine to leave all the original bypass hoses that goes to the heater with the PRRT mod? I have seen some refereces to some people running both the normal bypass and the PRRT bypass. Or would the twin bypass system rob to much flow out of the radiator?Kristoffer Link to comment Share on other sites More sharing options...
Wrightpayne Posted February 23, 2021 Share Posted February 23, 2021 Did you find this in the archives...https://www.lotus7.club/forum/techtalk/fitting-prrt-k-series Link to comment Share on other sites More sharing options...
kasin Posted February 23, 2021 Author Share Posted February 23, 2021 Yes, I had a look at that, but still wasnt sure. Link to comment Share on other sites More sharing options...
JonT Posted February 23, 2021 Share Posted February 23, 2021 I have a PRRT as shown in the linked thread, post #3 and still have the heater and it works fine for me - at least down to ~0C. Link to comment Share on other sites More sharing options...
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