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</head><body><blockquote><p></p></blockquote><p>Just curious. Is this an engine that sits a lot, with a long time since last disassembly and boiling? Wouldn't engines with corrosion in the water channels may need additional coaxing to cool enough? <br></p><p><br></p><p>Like Randall, I run a stock water pump and don't have problems with overheating during the hottest days of summer (it can get 90's even in NH). <br></p><p><br></p><p>Terry<br></p><p><br></p><blockquote><p>On May 9, 2017 at 5:26 PM Randall <TR3driver@ca.rr.com> wrote:</p><blockquote><p>My TR3 is in need of a water pump. It's a stock car. But I live in middle<br>Georgia. HOT Summers</p><p>I see upgraded 5 and 6 blade impellers. Any opinions as to a replacement ?<br>Or will stock suffice?</p></blockquote><p>IMO, stock will do fine as long as you don't have some other cooling<br>problem.</p><p>I've fought lots of TR3 cooling problems, and never found that lack of<br>coolant flow was the issue. I've also tried "uprated" pumps when I was<br>having a problem and they didn't help at all. Now I run a stock pump (with<br>other cooling upgrades like an electric fan) and the engine stays cool even<br>when it's 115F. The driver overheats before the engine does!</p><p>-- Randall<br>56 TR3 TS13571L daily driver<br>71 Stag LE1473 - awaiting engine rebuild<br>71-2-3 Stag - awaiting gearbox rebuild</p><p>** triumphs@autox.team.net **</p><p>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/terryrs@comcast.net">http://autox.team.net/mailman/options/triumphs/terryrs@comcast.net</a><br></p></blockquote></body></html>