TheNeedForZ Posted March 16, 2006 Share Posted March 16, 2006 Any of you turbo guys running the coolant in reverse direction (radiator->head->block->radiator)? How much have you benefited from such setup? Thanks Quote Link to comment Share on other sites More sharing options...
proxlamus© Posted March 17, 2006 Share Posted March 17, 2006 um... wouldnt you have to reverse the water pump?? Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted March 17, 2006 Author Share Posted March 17, 2006 maybe...but whatever it takes. You think it will allow a few more PSI before detonation? Quote Link to comment Share on other sites More sharing options...
proxlamus© Posted March 17, 2006 Share Posted March 17, 2006 umm.. its not the coolant that is causing detonation yes the effectivness of the coolant reduces the chances of detonation.. but the key to preventing detonation is proper air/fuel ratio and timing.. you can have pre-ignition of there is a hot spot ... or detonate with a poor mixture or high cylinder temps.. an F54 block has better webbing for improved cooling.. buy an aluminum or 4 core radiator.. and a good electric fan and you wont have to worry about anything the Nissan engineer's have it the way it is for a reason.. Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted March 17, 2006 Author Share Posted March 17, 2006 If you haven't read an article about reverse flow cooling, you should. It is very interesting. Quote Link to comment Share on other sites More sharing options...
thehelix112 Posted March 17, 2006 Share Posted March 17, 2006 Linkorban. Dave Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted March 17, 2006 Author Share Posted March 17, 2006 I read it in Engine Master annual 2006, which I heard, is not available to rude people in Australia. If you want to say something, say it out loud, like "Link or ban" not linkorban. Quote Link to comment Share on other sites More sharing options...
thehelix112 Posted March 17, 2006 Share Posted March 17, 2006 Rightio. Never met an Aussie I'm assuming? Lightenuporban. Dave Quote Link to comment Share on other sites More sharing options...
Guest JAMIE T Posted March 17, 2006 Share Posted March 17, 2006 Rightio. Never met an Aussie I'm assuming? Lightenuporban. Dave Nice I need to remember that one. Quote Link to comment Share on other sites More sharing options...
tannji Posted March 17, 2006 Share Posted March 17, 2006 OMG! lol, he IS an Aussie! Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted March 17, 2006 Author Share Posted March 17, 2006 Rightio. Never met an Aussie I'm assuming? Lightenuporban. Dave Heh, you're alright. you edited you post...was gonna give me an earful weren't you? I am cool with it, If I have Christmas in summer I'd be messed up too Quote Link to comment Share on other sites More sharing options...
mobythevan Posted March 17, 2006 Share Posted March 17, 2006 ok, I'll get you guys headed back in the right direction, here is a short paragraph from grape apes site. Reverse Flow Systems As I said earlier, it makes sense to put the coolest coolant to the hottest parts first to bring the temperatures down as much as possible, the already heated coolant can help bring the temperatures of the coolest parts higher and make everything more even. To do this the coolant must flow in reverse (compared to most systems). The problem with reverse flow systems is that the pump tends to cavitate easier (even with a good aftermarket pump). To limit cavitation, a higher boiling point of the coolant helps and so does a higher system pressure. Quote Link to comment Share on other sites More sharing options...
TheNeedForZ Posted March 17, 2006 Author Share Posted March 17, 2006 Moby, The thread finally starts. What does "cavitation at the pump" mean? Thanks Quote Link to comment Share on other sites More sharing options...
mobythevan Posted March 17, 2006 Share Posted March 17, 2006 Cavitation occurs when the pressure of the liquid changes so much that the liquid vaporizes/boils so you get air in the water around the impeller. So you lose pumping ability. Why he says it occurs more in reverse flow I am not sure. Quote Link to comment Share on other sites More sharing options...
Brad-ManQ45 Posted March 18, 2006 Share Posted March 18, 2006 Sounds like a great excuse to use an electric water pump to me.... Quote Link to comment Share on other sites More sharing options...
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