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Something else to consider, I once had a 67 Charger, I replaced the radiator, thermostat, and water pump. I thought I’d put on a high volume pump since it’s a high performance 383 (with AC). When I drove it down the interstate, it would overheat, but would not overheat while driving on rural roads or city streets. I eventually consulted a mechanic, who told me that at highway speed, the high volume water pump is flowing the water through the radiator too fast, and it didn’t have enough time to get cooled by the air flow through the fins. I replaced the high volume pump with a standard pump, and my problem was solved. Happy Moparing, Mark From: Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On Behalf Of Ryan Hill ryan_hillc300@xxxxxxxxxxx [Chrysler300] Just my two cents. Not to discount the comments regarding the rad, they're certainly valid and a capable radiator is imperative to keeping the engine and transmission cool. Also though, a newly built engine will generally run a little hot until it's broken in and tuned correctly. How lean are you running with your carb settings? Are you sure your timing is dialled in? Why are you running a 160 thermostat? Isn't a 180 the recommended temp? Are you sure there's no air trapped in your system? To: chrysler300@xxxxxxxxxxxxxxx After installing the new 4 core with shroud, 7 blade fan and 160 thermo, the 300 runs hot, close to the upper limit. Have not driven it yet, only raised the idle to 2k, and the gauge dropped a bit to the left. The block is a new build with 200 or less miles, clean on the inside. The cap is a 13 #. No leaks. runs hot. Any thing look incorrect ? Thanks, Dave D. __._,_.___ Posted by: "Mark Souders" <mrs954@xxxxxxx> To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx To unsubscribe from this group, send an email to bob@xxxxxxxxxxxxx or go to https://groups.yahoo.com/neo/groups/all/manage/edit For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang __,_._,___ |
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