Bigbrowndog Posted January 10, 2016 Share Posted January 10, 2016 I have a Winter Racing Motor and the outlets at the front and back passenger side of the motor (on the water inlet and rear for the heater hose) are plugged shut. I am guessing doing so is okay, but want to make sure before I do the same on a stock 2.4L autocross motor. There must not be any need or benefit of circulating water through the heater hose on the outside. My only concern is really rear head cooling. Appreciate your thoughts. Thx Quote Link to comment Share on other sites More sharing options...
NewZed Posted January 10, 2016 Share Posted January 10, 2016 Here's a good thread on the issue. There's a lot out there on the topic if you're a good Googler. http://forums.hybridz.org/topic/59029-head-cooling-on-cylinder-5-solutions/ Quote Link to comment Share on other sites More sharing options...
Bigbrowndog Posted January 10, 2016 Author Share Posted January 10, 2016 Thanks. I know Winter Racing does a lot of head work on the P90 heads, I am not sure how much of this work helps with cooling at #5 or 6 or what helps or hurts earlier heads. Ty Quote Link to comment Share on other sites More sharing options...
TimZ Posted January 14, 2016 Share Posted January 14, 2016 Here's a good thread on the issue. There's a lot out there on the topic if you're a good Googler. http://forums.hybridz.org/topic/59029-head-cooling-on-cylinder-5-solutions/ It was also discussed here, and this one even ends up with a nice FZ reference! Tony D also backed up his assertions with real data - take a look at post #405 in the thread that NewZed referenced. Quote Link to comment Share on other sites More sharing options...
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