Low temp thermostat

[CSH-HQ]

Ohh, hmm, I think I've read that one, like had to replace it several times f
from the binding falling apart.
Mybe even a li

>For some reason I feel like I'm in a hornets nest, but this has been
>discussed before. Here is a quote from: The Chevrolet Racing Engine,
>by Bill Jenkins, 1976, p17. (please read several times)
>
>"Overall temperature control is important because heat means
>horsepower. In our drag engines we like to see a water temp
>of about 180 to 190 F and preferably the temp will be fairly
>stable or equal around all the cylinders. At the time we launch
>the car is is absolutely essential to build heat in the cylinders as
>rapidly as possible. Naturally, you have to avoid boiling and
>we believe that 200 to 205 F is about the peak temperature
>point when leaving the starting line. This is with an all-iron
>engine. If the engine material is alloy aluminum in the heads
>or block the optimum temperature range is around 225 F.
>The increase is necessary to compensate for the very rapid
>dissipation of aluminum."
>
>BobR.
>
>Apologies in advance to Bruce for using his post. . .
>
>CSH-HQ wrote:
>
>> Funny how agreement goes.
>> OK, all the NASCAR teams are wrong.
>> BTW, I have tried to optimize fuel and spark curves so the following
>> statemnt is wrong since you used the word all,
>> OK, my next comment will be about GMECM, this is flat getting ridiculous.
>> Grumpy
>>
>> >
>> > All of us who have tried to optimize fuel and spark curves have learned 
that
>> >cooler water temps allow you to run more aggressive spark advance, thereby
>> >making more power... it's a simple function of cylinder head temperatures,
>> >which dictate which temperature is optimal for combustion without 
overheating
>> >the mixture.  From the factory, combustion temps are kept higher than 
optimum
>> >for power and use a conservative spark curve, because this way they can 
ensure
>> >a more complete burn, at the cost of power.  Remember the old trick for 
passing
>> >emissions by retarding timing?  Increasing combustion temps achieves the 
same
>> >effect, up to a point.  Good for the environment, not necessarily good for
>> >power.
>> > Daniel
>