Single Turbo RX-7's Questions about all aspects of single turbo setups.

Normal Temps? Intercooler Fan

Thread Tools
 
Search this Thread
 
Old 08-31-05, 12:47 PM
  #1  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
Normal Temps? Intercooler Fan

I was thinkin about putting a cheap 10" puller fan on my FMIC so it would help with the temps while sitting, either in traffic, or waiting for my run at the drags.

When my car sits while in traffic i notice the temps go higher so i figure its pulling hotair off the intercooler. Dont know if im right on this. Just thot it couldnt hurt.

So what are the normal temps you guys run at if you have an FMIC?

I also have a koyo radiator, removed the AST, fan switch, and no front fender mud guards.
On a good night: 84-85 C
Normal Day: 85-86 C
Hot day: 86-87 C
Traffic: 86-88 C

These are readings from the PowerFC.
Old 08-31-05, 01:25 PM
  #2  
development

 
dubulup's Avatar
 
Join Date: Aug 2002
Location: Lafayette, LA
Posts: 5,714
Likes: 0
Received 6 Likes on 5 Posts
those temps look fine for water. You should have no intake temp problem with a FMIC. Sitting in traffic yes temps rise, but once you get into boost/speed, wind with cool the charge.
Old 08-31-05, 03:09 PM
  #3  
Back in the 7 life again

 
su_maverick's Avatar
 
Join Date: Jun 2004
Location: NoVA
Posts: 2,389
Received 19 Likes on 11 Posts
well, would a puller fan help out or just blow more hot air onto the radiator?
Old 08-31-05, 04:16 PM
  #4  
Senior Member

iTrader: (1)
 
KevinW's Avatar
 
Join Date: Nov 2004
Location: Austin, TX
Posts: 494
Likes: 0
Received 0 Likes on 0 Posts
damn i wish i had those temps, i dont see those temps unless it's fairly cool outside
Old 08-31-05, 05:33 PM
  #5  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
maybe its those mudguards gone. hmm i also want to get a vented hood.

I think the intercooler fan should help. its only 40 bux. how could you go wrong?

I was also gonna heat wrap my downpipe, and get a blanket for the turbo.

Im gonna try to get these temps to drop to 81-83 degrees C all the time!
Old 08-31-05, 05:38 PM
  #6  
Hooray For Boobies!!!

 
RotorJoe's Avatar
 
Join Date: Sep 2002
Location: Washington
Posts: 3,570
Likes: 0
Received 1 Like on 1 Post
Do you have any air ducting?

I don't see those temps unless its 50F outside and I'm driving at 60mph. The other time I see those temps is when I run my fans on high.

Otherwise my car cycles between 92-99c.
Old 09-06-05, 04:58 AM
  #7  
BOOSTED Vert

 
Join Date: Sep 2002
Location: Miami
Posts: 2,307
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by PhatManBUD
I was thinkin about putting a cheap 10" puller fan on my FMIC so it would help with the temps while sitting, either in traffic, or waiting for my run at the drags.

When my car sits while in traffic i notice the temps go higher so i figure its pulling hotair off the intercooler. Dont know if im right on this. Just thot it couldnt hurt.

So what are the normal temps you guys run at if you have an FMIC?

I also have a koyo radiator, removed the AST, fan switch, and no front fender mud guards.
On a good night: 84-85 C
Normal Day: 85-86 C
Hot day: 86-87 C
Traffic: 86-88 C

These are readings from the PowerFC.

I get those temps and I run the stock fan. When I had the efan the temps would be on the 90's regularly.
Old 09-06-05, 10:41 AM
  #8  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by MARTIN
I get those temps and I run the stock fan. When I had the efan the temps would be on the 90's regularly.
with an efan on the intercooler it would run hotter? i dont understand
Old 09-06-05, 12:12 PM
  #9  
Sensory Experience

 
Shinobi-X's Avatar
 
Join Date: Apr 2002
Location: MD
Posts: 840
Received 1 Like on 1 Post
Originally Posted by x605p747R1
Do you have any air ducting?

I don't see those temps unless its 50F outside and I'm driving at 60mph. The other time I see those temps is when I run my fans on high.

Otherwise my car cycles between 92-99c.
Yep, same here. With current temps in the upper 80s-90F, I'm running around 94C-100C. Once the fans come on, I drop to 92C-93C and it holds steady.

PhatManBUD,
Do you have a single or dual oil cooler setup? What other mods to your cooling system do you have?
Old 09-06-05, 06:00 PM
  #10  
Senior Member

iTrader: (4)
 
r1dreamer's Avatar
 
Join Date: Feb 2003
Location: Long Island NY
Posts: 728
Likes: 0
Received 0 Likes on 0 Posts
those temps are perfect. i get the same readings, i never go above 90c even sitting in traffic on a 90+ day...intake temps are another story...85c is 185 F.. i have a 180 stat, stock rad stock ast some water wetter/water and the fans come on earlier.

brandon
Old 09-06-05, 06:26 PM
  #11  
BOOSTED Vert

 
Join Date: Sep 2002
Location: Miami
Posts: 2,307
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by PhatManBUD
with an efan on the intercooler it would run hotter? i dont understand

rad fan.
Old 09-07-05, 12:28 PM
  #12  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
Well i have a koyo Radiator, stock fans, removed the front wheel mudgards, water wetter with distilled water, single stock oil cooler, removed ac, and a FMIC. Yesterday while driving around town i hit every red and sat in loads of traffic because it was around 4:30-5 o clock. And the temps got up to 89 C so i started freakin out. I think I need to get a vented hood and a fan on that IC to keep the temps down to a 82-85 at all times hopefully
Old 09-07-05, 01:22 PM
  #13  
Hooray For Boobies!!!

 
RotorJoe's Avatar
 
Join Date: Sep 2002
Location: Washington
Posts: 3,570
Likes: 0
Received 1 Like on 1 Post
110C=230F
99C=210.2F
90C=194F
85C=185F
82C=179.5F
80C=176F

99C (or even 89C) is nothing to worry about. I don't see how you can only hit 89C sitting in traffic unless you're running your fans and/or switched (datalogit) the temperature at which they come on. At 82C your thermostat is just opening. That’s almost (key word, almost) too cold for me.
Old 09-07-05, 01:30 PM
  #14  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
i know, but i just freak out when hte temps start rising cause you never know they just might keep going...thats how i lost the motor the first time...

the temps when up higher then normal on a hot day then the next thing you know i look down and they just started climbing then i pulled over and shut it down and let the fans run, and when it cooled down i get back in the add coolant light was on and i added coolant and drove home and when i checked the coolant the next day it swallowed what i put in and there were no leaks. so everyday for the next 3 months i had to add coolant each time i drove it, til the point it got so bad that adding coolant wouldnt help cause it would eat it so fast. and starting up the car was really hard. took alot of cranking
Old 09-10-05, 07:57 PM
  #15  
Sensory Experience

 
Shinobi-X's Avatar
 
Join Date: Apr 2002
Location: MD
Posts: 840
Received 1 Like on 1 Post
Originally Posted by PhatManBUD
i know, but i just freak out when hte temps start rising cause you never know they just might keep going...thats how i lost the motor the first time...

the temps when up higher then normal on a hot day then the next thing you know i look down and they just started climbing then i pulled over and shut it down and let the fans run, and when it cooled down i get back in the add coolant light was on and i added coolant and drove home and when i checked the coolant the next day it swallowed what i put in and there were no leaks. so everyday for the next 3 months i had to add coolant each time i drove it, til the point it got so bad that adding coolant wouldnt help cause it would eat it so fast. and starting up the car was really hard. took alot of cranking
I lost my engine the same way the first time, but it was do to one of the lines leading to the overflow coming off. I caught it early, but the damage had been done seeing as how the original engine was in the 100k mile range already.

I'm surprised your temps are so low with no addition of a second oil cooler, ducting or a vented hood. My temps now are pretty stable at 92c, but don't climb past 95c on a normal day. Before the original engine went (and the FMIC), my temps like most FD's were stable between 180F-190F. I wouldn't be too worried about them reaching the 90c temp range, as your still within the safe zone.
Old 09-10-05, 08:40 PM
  #16  
Rotary Enthusiast

 
1sicsol's Avatar
 
Join Date: Dec 2003
Location: N/A
Posts: 1,109
Likes: 0
Received 0 Likes on 0 Posts
The PFC water temp is not 100% accurate.
Old 09-10-05, 11:11 PM
  #17  
Sensory Experience

 
Shinobi-X's Avatar
 
Join Date: Apr 2002
Location: MD
Posts: 840
Received 1 Like on 1 Post
Originally Posted by 1sicsol
The PFC water temp is not 100% accurate.
What would be the margin of error?
Old 09-11-05, 07:52 AM
  #18  
Rotary Enthusiast

 
1sicsol's Avatar
 
Join Date: Dec 2003
Location: N/A
Posts: 1,109
Likes: 0
Received 0 Likes on 0 Posts
The PFC is slow to respond in changes of water temp with the stock sensor. Personally I dont trust the readings because they never match with an aftermarket water temp. The aftermarket water temp would read about 5-10c higher.


80-89c with a FMIC is really low..I wish I had those temps.
Old 09-12-05, 04:44 PM
  #19  
Rotary Enthusiast

Thread Starter
 
PhatManBUD's Avatar
 
Join Date: Oct 2002
Location: S.Cali, OC!
Posts: 1,468
Likes: 0
Received 0 Likes on 0 Posts
Well theres still lots of things i have to do! get a vented hood, that fan, wrap the DP, get a blanket for the hotside of the turbo. I wanna see if its possible to get temps down to 80 C. Is there ever a point of running too cool?
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jeff20B
1st Generation Specific (1979-1985)
73
09-16-18 07:16 PM
troym55
3rd Generation Specific (1993-2002)
23
05-25-16 12:42 PM
ZaqAtaq
New Member RX-7 Technical
2
09-05-15 08:57 PM



Quick Reply: Normal Temps? Intercooler Fan



All times are GMT -5. The time now is 01:08 AM.