2004 - 2008 F-150
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Old Dec 4, 2007 | 03:18 PM
  #31  
NCSU_05_FX4's Avatar
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From: Lexington, KY
Originally Posted by azmidget91
wow i really doubt that these engines make max power at 200* let alone all gas engines, ive been racing cars since i was 5 and a rule of thumb was dont run over 200* we wanted to be between 140-180

The difference is probably due to the difference between race cars and mass production daily drivers. Do your race cars run on standard 87 octane?

- NCSU
 
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Old Dec 4, 2007 | 03:32 PM
  #32  
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Originally Posted by azmidget91
wow i really doubt that these engines make max power at 200* let alone all gas engines, ive been racing cars since i was 5 and a rule of thumb was dont run over 200* we wanted to be between 140-180

now i dont know about you guys but i feel a much bigger increase in power between water temps then when i put on my jlt intake and xcal2.....
 
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Old Dec 4, 2007 | 03:47 PM
  #33  
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Why me?
I have been drag racing, built race engines (both gas and alcohol) and generally wrenched on cars for over 40 years and I also had the mind set that an engine would perform better below 200 degrees. After witnessing hundreds of dyno pulls on these F-150's including mine which has spent far too much time on the dyno ( over 35 pulls) I have been converted.
My truck makes peek power right at 200 degrees. Both before and after the blower install...I have my e-fans set at 202 for the low temp, and 209 for the high temp. Go figure.
 
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Old Dec 4, 2007 | 04:38 PM
  #34  
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Originally Posted by Marc Carpenter
Why me?
I have been drag racing, built race engines (both gas and alcohol) and generally wrenched on cars for over 40 years and I also had the mind set that an engine would perform better below 200 degrees. After witnessing hundreds of dyno pulls on these F-150's including mine which has spent far too much time on the dyno ( over 35 pulls) I have been converted.
My truck makes peek power right at 200 degrees. Both before and after the blower install...I have my e-fans set at 202 for the low temp, and 209 for the high temp. Go figure.
With lower temps you can add more spark.

Obviously if you didn't modify the oem ECT advance and multipliers you wouldn't show any power change as there is hardly any spark added.
 
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Old Dec 5, 2007 | 01:22 AM
  #35  
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Originally Posted by i.ride.suzuki
With lower temps you can add more spark.

Obviously if you didn't modify the oem ECT advance and multipliers you wouldn't show any power change as there is hardly any spark added.

so do lower temps help?
 
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Old Dec 5, 2007 | 01:25 AM
  #36  
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Originally Posted by 06Titan
so do lower temps help?
Yes.
 
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Old Dec 5, 2007 | 02:48 PM
  #37  
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ok after driving around last night in 40* weather and engine temps under 150 most the time i threw a code(temps were too low, and even i knew that, under 150 is too cold) so i went to the blue restrictor and set my fans to 170
 
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Old Dec 5, 2007 | 03:20 PM
  #38  
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Originally Posted by azmidget91
ok after driving around last night in 40* weather and engine temps under 150 most the time i threw a code(temps were too low, and even i knew that, under 150 is too cold) so i went to the blue restrictor and set my fans to 170

I think 170 would better better then 150, and i bet you still fill that responsive feeling.
 
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Old Dec 5, 2007 | 05:16 PM
  #39  
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Did you notice much of a performance increase? How about at 170*? Lastly, how is the heater @ 170, I'm assuming it works well as my truck works fine at 170.
 
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Old Dec 5, 2007 | 05:20 PM
  #40  
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At 170 the engine is only adding in less than one degree of spark.
So gains are very minimal unless you had your spark advanced.
These engines a very retarded from the factory.
 
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Old Dec 5, 2007 | 05:54 PM
  #41  
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From: Maricopa, AZ
Originally Posted by i.ride.suzuki
At 170 the engine is only adding in less than one degree of spark.
So gains are very minimal unless you had your spark advanced.
These engines a very retarded from the factory.
what temp would you recomend(i finally put my second efan in so i can fine tune my temps now)

sorry guys i never drove it at 170 just let it idle for like 10 min in the driveway....
 
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Old Dec 6, 2007 | 02:41 PM
  #42  
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Bump

Bump
 
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Old Dec 7, 2007 | 05:14 PM
  #43  
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ok well the blue restrictor doesnt do so well either, i might try the red one but probably will just put the thermostat back in untill i here from suzuki about the mustang thermostats
 
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Old Dec 7, 2007 | 10:31 PM
  #44  
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Originally Posted by azmidget91
ok well the blue restrictor doesnt do so well either, i might try the red one but probably will just put the thermostat back in untill i here from suzuki about the mustang thermostats
Don't quit now, follow through with the last of your 3 part restrictor test.
 
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Old Dec 8, 2007 | 01:32 AM
  #45  
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Originally Posted by anaheim_drew
Don't quit now, follow through with the last of your 3 part restrictor test.
you being serious or a smart ***? i cant tell

the problem im having is that the efans turn on with the heater and it brings it down to 150 again but at 170 the heater works pretty good and the power is there, no lag like over 200*
 
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