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 cool engine
#892816
06/26/08 04:59 PM
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Joined: Apr 2004
Posts: 183
OP
Wheeler
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Are there any downsides to having the 2.6 engine operating cooler? I have installed, what I believe, an original 3- row radiator from a junked out 86. What a difference it made from the 2- row.
Tom Tucker
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 Re: cool engine
[Re: tomzsix]
#892817
06/26/08 05:21 PM
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Joined: Jun 2008
Posts: 60
Getting the Wheeling Fever
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From what a mechanic told me when I installed a 325i radiator into my 1971 BMW 2002; As long as it is running in the correct range you will be fine, and colder coolant temps usually translate into more power (density of air greater). My temp gauge sits right on top of the blue which is perfect. Hope this helps
87' Raider: off road package, rebuilt engine with (new) stock tires and alloy wheels but otherwise original. 
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Re: cool engine
[Re: tomzsix]
#892818
06/26/08 08:14 PM
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Joined: Mar 2007
Posts: 950
Rock Warrior
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as long as thermostat, waterpump, lines are good then it wont make any difference.
1989 5 door montero 3.0 auto
stock original Japanese
about 200k miles
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Re: cool engine
[Re: generation_one]
#892819
06/26/08 08:15 PM
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Joined: Mar 2007
Posts: 950
Rock Warrior
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and...fan, clutch, shroud
1989 5 door montero 3.0 auto
stock original Japanese
about 200k miles
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Re: cool engine
[Re: Bhealy]
#892820
06/26/08 09:23 PM
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Joined: Apr 2004
Posts: 183
OP
Wheeler
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Also, the cooler the gasoline, the more efficient it is upon combustion. And I think the EGR will work better too, but I don't really know.
Tom Tucker
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Re: cool engine
[Re: generation_one]
#892821
06/26/08 10:02 PM
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Joined: Jun 2008
Posts: 785
Rock Warrior
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as long as thermostat, waterpump, lines are good then it wont make any difference. agreed. a larger radiator wont make it run cooler. it will however help with overheating. your engine temp is regulated by the thermostat. it doesnt matter if you have a 10 row radiator in 30? temps, the engine will still operate at the thermostats opening temp (usually 192-195)
87 Montero V6 SWB auto. dual bouncies 89 Montero V6 SWB 5 speed. dual bouncies 97 3000gt VR4 upgraded turbos, 10:1, E85 91 Stealth TT twin 18Gs, cams/heads, E85 03 cobra lightly modded <img src="/forums/images/graemlins/lol.gif" alt="" /> 91 MR2 turbo
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Re: cool engine
[Re: vr4]
#892822
06/28/08 04:55 PM
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Joined: Apr 2004
Posts: 183
OP
Wheeler
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Also less exhaust smoke from the tailpipe. After a few days driving, I am using less fuel, and the dieseling of the engine has disappeared.
Tom Tucker
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Re: cool engine
[Re: tomzsix]
#892823
06/28/08 07:58 PM
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Joined: Jun 2008
Posts: 785
Rock Warrior
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Also less exhaust smoke from the tailpipe. After a few days driving, I am using less fuel, and the dieseling of the engine has disappeared. if changing a radiator did that you have other problems and the band aid temporarily covered them up.
Last edited by vr4; 06/28/08 10:05 PM.
87 Montero V6 SWB auto. dual bouncies 89 Montero V6 SWB 5 speed. dual bouncies 97 3000gt VR4 upgraded turbos, 10:1, E85 91 Stealth TT twin 18Gs, cams/heads, E85 03 cobra lightly modded <img src="/forums/images/graemlins/lol.gif" alt="" /> 91 MR2 turbo
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Re: cool engine
[Re: vr4]
#892824
06/28/08 09:31 PM
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Joined: Apr 2004
Posts: 183
OP
Wheeler
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With cooler temps, and I mean much cooler,the fuel seems to be combusting efficiently. The heat frome the engine, I believe, affected the EGR valve and thermo valve to run hotter than normal, causing a rich fuel mixture. I dont know too much about how an engine works, but excess heat does play a part on rubber grommets, seals, and plungers.
Tom Tucker
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