cooling issues

[grumpyvette]

just some info too think thru

 

the engines state of tune effects the heat generated, vacuum leaks tend to increase heat, octane used effects the heat, your ignition timing curve effects the heat

 

the type of coolant effects the rate heats transfered

 

the amount ant type of oil effects the temp transfer rates

 

a larger oil filter, and larger capacity baffeled oil pan, tends to reduce temps due to exposing a larger surface area to the air flow

 

anything that reduces airflow thru the radiator reduces its efficiency

 

the water pump and T-stat both effect the rate heats transfered, high flow water pumps can help

 

the electric fans work off a sensor and the temp they turn on at can be modified, larger or additional electrical fans can be added

 

on an auto trans car,the transmission fluid adds a good deal of heat to the radiator, adding a seperate ADDITIONAL trans cooler with a seperate ellectric fan,removes a good deal of the load from the radiator

 

oil in the engine flowing over parts absorbs and transfers heat , having a larger baffled oil pan hanging down in the airflow under the engine helps cool the engine

 

headers remove heat faster than stock exhaust manifolds

 

aftermarket aluminum radiators can be far more efficient

 

the dia. of the pullies your using does effect the coolant flow

 

running the correct T-stat can help cooling, generally the 180F-190F is the best compromize

 

http://www.digitalcorvettes.com/forums/showthread.php?t=81691

 

http://www.becool.com/

 

http://www.dewitts.com/pages/categoryresults.asp?catID=19

 

http://www.kevko.net/images/1090_full.gif

 

http://www.kevko.net/wetsump_chevy.htm

 

http://www.stefs.com/products/oilpans/circletrackwetsump.htm

 

http://www.radiatorbarn.com/?source=overture

 

engine oil needs to reach and stay at about 215F-240f to lube and clean correctly and burn off moisture

 

trans fluid I try to keep under 160F,surely below 180F ,

 

 

Ideally I try to keep engine coolant in the engine in the 190F-200F range but don,t get overly worried below 230F. BTW I run a 190F t-stat, temp ranges should be kept within these ranges or the wear and emmissions won,t give you the long engine and trans life and low emmission levels you expect , drop the coolant temps lower and you may gain a few hp but the wear tends to get worse as the fluids can,t opperate correctly, drop the oil temp below 211 F and acids can form in the oil (bad for bearings)

 

 

[COZY Z COLE]

 

 

Ideally I try to keep engine coolant in the engine in the 190F-200F range but don,t get overly worried below 230F. BTW I run a 190F t-stat, temp ranges should be kept within these ranges or the wear and emmissions won,t give you the long engine and trans life and low emmission levels you expect , drop the coolant temps lower and you may gain a few hp but the wear tends to get worse as the fluids can,t opperate correctly, drop the oil temp below 211 F and acids can form in the oil (bad for bearings)

 

 

 

I've posted many times that in the last 5 years I run between 192*-200* all day long and for people not to be concerned about that operating temp. I'm glad you've reaffirmed my position on operating temperture ranges in a modded Z.

 

LARRY