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Old 07-28-2011, 06:34 PM   #11
cliffyk
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I learned a long time ago to never say never; as never is a very long time.

Nonetheless, as the fan settings in the stock tune will not allow the engine to burn up it is not as I said above an absolute necessity to lower them--it does remain however the correct way of doing things if you wish to take full advantage of the lower temperature thermostat...
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Old 07-28-2011, 09:53 PM   #12
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so cliff, you're saying w/ the 180 degree t-stat you lowered the temperature for which the fan will turn on, or did you raise the kick on temperature??
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Old 07-28-2011, 10:28 PM   #13
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Quote:
Originally Posted by BLKSTANGER View Post
So I shouldn't be concerned hearing a little boiling going on when I park it? It that normal for these engines?
In my experience; that bubbling sound when you shut off the engine is the result of a coolant leak somwhere. It might be so minor that you can't see coolant seeping out but its a crack that allows air into the coolant system.

Check the pressure build up on your radiator hoses once the car is fully warmed up. If they are hard then you should be ok, but for me the bubbling sound was a cracked intake manifold.
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Old 07-28-2011, 10:47 PM   #14
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Quote:
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In my experience; that bubbling sound when you shut off the engine is the result of a coolant leak somwhere. It might be so minor that you can't see coolant seeping out but its a crack that allows air into the coolant system.

Check the pressure build up on your radiator hoses once the car is fully warmed up. If they are hard then you should be ok, but for me the bubbling sound was a cracked intake manifold.
I have a new intake on the car. The hoses are hard when warm. I found where the noise was coming from today. It's in the overflow tank. And it's more of a hissing sound from what i heard today. Very faint as I could barley hear it after a long run on the freeway. A new tank might be in my future. I screwed the cap on a little tighter and it stopped. I can't tell if it was the cap or it just happen to stop at the same time.
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Old 07-28-2011, 10:54 PM   #15
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so cliff, you're saying w/ the 180 degree t-stat you lowered the temperature for which the fan will turn on, or did you raise the kick on temperature??
I do not understand, it seems to be the same question asked from two differing perspectives?

That aside, I lowered all fan on/off scalars by 20°. Technically the difference is 30° but I found the fan ran too frequently and was annoying when I changed the values by that amount...
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Delta Force tuned, Steeda UDPs, Ralco flywheel,
RAM HDX clutch, 3.73s, 262 rwHP/305 lb-ft.

New ride (7/1/2013) 1998 Mercedes SL500-5.0L 32V VVT 326/347 HP/tq


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At its extreme it is making what you want from what you can get.

Last edited by cliffyk; 07-29-2011 at 09:59 AM.
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Old 07-29-2011, 12:03 AM   #16
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i gotcha. i said it in a weird way, now that i look at it, but i was basically asking if you raised or lowered the fan turn on/off temperature. thanks for the input!
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Old 07-29-2011, 12:03 AM
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