Go Back   986 Forum - for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Boxster General Discussions

Reply
 
LinkBack Thread Tools Display Modes
Old 11-22-2017, 05:06 PM   #1
Registered User
 
Join Date: Feb 2008
Location: San Francisco
Posts: 104
Am I worrying needlessly about engine temp?

A few points first. My perfect 2000 S with 33k blew up 10 years ago. Am still scarred. Baffling to my family, I bought a 2000 2.7 this year. Love this car. But worry as I sit in the horrid Bay Area traffic and watch the gauge rise into the 0 of the 180. Took it to Gavinís Porsche in Oakland (most honest mechanic Iíve ever worked with). Checked out the cooling system and fans, all good. Just wondering tho, while I donít track this car, could I beef up the cooling system by adding a lower temp thermostat and maybe a 3.2 S oil cooler?

sfkjeld is offline   Reply With Quote
Old 11-22-2017, 05:31 PM   #2
Registered User
 
Join Date: Jan 2014
Location: New Jersey
Posts: 1,231
Isn't the 0 of the 180 the normal running temperature? That's where my 2003 S is all the time. If you want more cooling you could also add the third radiator in the center up front, but you would need to have a center opening in your bumper cover.
PaulE is offline   Reply With Quote
Old 11-22-2017, 05:47 PM   #3
MWS
Registered User
 
Join Date: May 2016
Location: Northern Indiana
Posts: 410
When stuck in traffic, ever try running your heater on high? Regardless of how heat is disapated, via radiator or heater core, the result is the same....heat transfer from one environment (engine) to another (atmosphere). Granted, this works best with top down...
MWS is offline   Reply With Quote
Old 11-22-2017, 06:18 PM   #4
Registered User
 
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 5,157
Quote:
Originally Posted by sfkjeld View Post
A few points first. My perfect 2000 S with 33k blew up 10 years ago. Am still scarred. Baffling to my family, I bought a 2000 2.7 this year. Love this car. But worry as I sit in the horrid Bay Area traffic and watch the gauge rise into the 0 of the 180. Took it to Gavinís Porsche in Oakland (most honest mechanic Iíve ever worked with). Checked out the cooling system and fans, all good. Just wondering tho, while I donít track this car, could I beef up the cooling system by adding a lower temp thermostat and maybe a 3.2 S oil cooler?
Yes................
__________________
ďAnything really new is invented only in oneís youth. Later, one becomes more experienced, more famous Ė and more stupid.Ē - Albert Einstein
JFP in PA is offline   Reply With Quote
Old 11-22-2017, 06:25 PM   #5
1999 base
 
Meir's Avatar
 
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,581
Garage
Let me share my personal experience.
First Porsche- 01 boxster S. 3.2L engine, with center radiator from factory. Installed low temp stat.
Second Porsche- 99 Boxster base. 2.5L engine. No 3rd rad, no low temp stat.
Current Porsche- 02 Carrera. 3.6L engine. No 3rd rad, no low temp stat.
Go figure out why the 3.2 comes with extra cooling and the larger 3.6 donít.
Anyway, in all three cars, the needle was always between the 8 and the zero on normal driving, or right of the zero on traffic.
You have nothing to worry about.
BTW, a low temp stat is good to have, although it is not going to affect the operating temperature of your engine. Itís just going to start the cooling cycle sooner, preventing hot spot at the no1 cylinder, and will get the engine to operating temperature faster.
Meir is offline   Reply With Quote
Old 11-22-2017, 10:10 PM   #6
Certified Boxster Addict
 
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,505
If you really want to provide additional cooling, install the S model center radiator.

Porsche Boxster Center Radiator Installation - 986 / 987 (1997-08) - Pelican Parts Technical Article
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
thstone is offline   Reply With Quote
Old 11-23-2017, 05:48 AM   #7
Registered User
 
Join Date: Dec 2016
Location: Clifton, NJ
Posts: 785
Ive done all the cooling mods, including oil cooler, low temp thermostat, and third radiator and the car still gets to 104c in heavy traffic. Runs about 97c on the highway regardless of temp. On the track, no issues, stays below 100c.

In my experience, the cars just run hot.
Quadcammer is offline   Reply With Quote
Old 11-23-2017, 06:33 AM   #8
Registered User
 
jsceash's Avatar
 
Join Date: Aug 2009
Posts: 1,405
Garage
180 is the correct operating temp for these cars. I have every engine cooling trick and more on my Boxster and it runs at 180. On those days on track where it is 90+ degrees and 120+ track temp it hangs 180 - 195.

160 degree stat.
Third Radiator
Extra ducting to wheel well from front radiators (racing hack + down force)
997 Oil cooler
manual switches for cooling fans.
Oil cooler with 2 6" fans.

It runs 180
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
jsceash is offline   Reply With Quote
Old 11-23-2017, 07:54 AM   #9
Registered User
 
Join Date: Feb 2008
Location: San Francisco
Posts: 104
Thanks for response

Lotís of good ideas here. I like the manual fan switches idea. But it seems the S oil cooler is the best bang for buck for simply keeping the engine temp down. Is it a simple bolt on proposition? Easily accessible from the top? Had an estimate of 2.5hrs labor to do install.
sfkjeld is offline   Reply With Quote
Old 11-23-2017, 08:05 AM   #10
Registered User
 
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 5,157
Quote:
Originally Posted by sfkjeld View Post
Lot’s of good ideas here. I like the manual fan switches idea. But it seems the S oil cooler is the best bang for buck for simply keeping the engine temp down. Is it a simple bolt on proposition? Easily accessible from the top? Had an estimate of 2.5hrs labor to do install.
If someone is going to take 2.5 Hrs. to do this, they are factoring in a long nap into the process.
__________________
ďAnything really new is invented only in oneís youth. Later, one becomes more experienced, more famous Ė and more stupid.Ē - Albert Einstein

Last edited by JFP in PA; 11-23-2017 at 06:43 PM.
JFP in PA is offline   Reply With Quote
Old 11-23-2017, 08:07 AM   #11
Registered User
 
Join Date: Jun 2017
Location: indiana
Posts: 33
Your car is at normal operating temperature. Just drive it and enjoy it.
xzyfsk is offline   Reply With Quote
Old 11-23-2017, 09:08 AM   #12
Registered User
 
thom4782's Avatar
 
Join Date: Sep 2010
Location: Foster City CA
Posts: 1,085
Bay area...low temp thermostat...needle is on the dash above "18" for 90%+ of the year or when the car is moving 20 mph or higher. Needle rises to the dash above the 0 when stuck in the commute moving less than 15 mph on days when the temp is 80 degrees or higher.
thom4782 is offline   Reply With Quote
Old 11-23-2017, 03:14 PM   #13
Registered User
 
jsceash's Avatar
 
Join Date: Aug 2009
Posts: 1,405
Garage
Quote:
Originally Posted by JFP in PA View Post
If someone is going to take 2.5 Hrs. to do this, the are factoring in a long nap into the process.
I like that biggest smile of the day.
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
jsceash is offline   Reply With Quote
Old 11-23-2017, 06:24 PM   #14
Registered User
 
kk2002s's Avatar
 
Join Date: Sep 2012
Location: S. New Jersey
Posts: 1,208
Garage
Normal for stop and go
Get a phone app with bluetooth ODBII sender
You can get better temp data how it relates to gauge. You also see temps the fans come on the drive speeds where temps start to go down
kk2002s is offline   Reply With Quote
Old 11-23-2017, 10:07 PM   #15
Registered User
 
Join Date: Jul 2012
Location: Whittier
Posts: 3
If your car starts to run hot, turn on the A/C...

Sounds counter productive, but it turns on the radiator cooling fan. I do that all the time when I drive in stop and go traffic. It works.
tone40 is offline   Reply With Quote
Old 11-24-2017, 12:30 AM   #16
Registered User
 
oldskool73's Avatar
 
Join Date: May 2015
Location: Sydney, Australia
Posts: 335
"Get a phone app with bluetooth ODBII sender" ... this! Worrying about anything from the inaccurate gauges is a waste of time. At least get a cheapo ELM OBD2 device from amazon ($10) and the Torque app for your phone. You'll then have all the error codes and fuel trims and other fun stuff to worry about as well!
oldskool73 is offline   Reply With Quote
Old 11-24-2017, 01:06 AM   #17
Registered User
 
Join Date: Jun 2017
Location: Visalia, Ca
Posts: 135
Am I worrying needlessly about engine temp?

Considering the boiling point of Antifreeze is approximately 223 degrees F and the normal operating temperature of combustion engines is roughly the same, I'd say 180 to 190 degrees F is worrying over nothing. Even pure water requires 212 degrees F to boil.
RobertKing is offline   Reply With Quote
Old 11-24-2017, 04:43 AM   #18
Registered User
 
kk2002s's Avatar
 
Join Date: Sep 2012
Location: S. New Jersey
Posts: 1,208
Garage
Quote:
Originally Posted by RobertKing View Post
Considering the boiling point of Antifreeze is approximately 223 degrees F and the normal operating temperature of combustion engines is roughly the same, I'd say 180 to 190 degrees F is worrying over nothing. Even pure water requires 212 degrees F to boil.
If 180 actually was 180
When my needle climbs into the 0 then rhat typically means 200+ low speed fans come on around 212-215
kk2002s is offline   Reply With Quote
Old 11-24-2017, 05:40 AM   #19
1999 base
 
Meir's Avatar
 
Join Date: Dec 2011
Location: Coral Springs FL
Posts: 1,581
Garage
Quote:
Originally Posted by tone40 View Post
Sounds counter productive, but it turns on the radiator cooling fan. I do that all the time when I drive in stop and go traffic. It works.
not only it turns the fans on, it turns it on the high speed.
Meir is offline   Reply With Quote
Old 11-24-2017, 04:00 PM   #20
Registered User
 
Join Date: Apr 2016
Location: SE Michigan
Posts: 397
Quote:
Originally Posted by Meir View Post
not only it turns the fans on, it turns it on the high speed.
AC turns the fan on at low speed. I added a 3-position toggle switch to manually control the fan at low or high speed without AC. With the low temp thermosta and proactive cooling fan at my finger tip, I can keep the temp at indicated 180F or slightly below for most of driving cond. When I let it past '0' then flip the fan at high speed, it comes down to 180F in 3-4 minutes.

__________________
1997 Boxster arctic silver/ red, XNE riveted mahogany/ leather steering wheel & 917-style wood shift knob, Benís short shifter, PSE, 996 TB, UDP, stereo/ center console delete, daily driven shine or snow.
Boxstard is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -8. The time now is 02:52 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page