Thermostat in or out at start up - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Brave71 · 11-02-2014, 12:21 PM

Getting ready to start new crate engine...is it better to leave therm out for the 20 minute break in ?

cdowns · 11-02-2014, 12:51 PM

I leave the themostat out for initial breakins

**wesmigletz** · 11-02-2014, 01:26 PM

I run them, but I dill four 1/8" holes at 12:00, 3:00, 6:00, and 9:00. This allows any trapped air to escape.

dfrank · 11-02-2014, 01:31 PM

Quote:

Originally Posted by wesmigletz

I run them, but I dill four 1/8" holes at 12:00, 3:00, 6:00, and 9:00. This allows any trapped air to escape.

I drill a 1/8th" hole in my thermostats to allow trapped air to escape as well, but I only drill one. Four seems a little excessive.

11-02-2014, 12:21 PM	#1
Brave71 Registered User Join Date: Sep 2013 Location: Henderson, NV Posts: 304	Thermostat in or out at start up Getting ready to start new crate engine...is it better to leave therm out for the 20 minute break in ?

11-02-2014, 12:51 PM	#2
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	Re: Thermostat in or out at start up I leave the themostat out for initial breakins __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

11-02-2014, 01:26 PM	#3
wesmigletz Senior Member Join Date: Feb 2009 Location: Parker, Texas Posts: 685	Re: Thermostat in or out at start up I run them, but I dill four 1/8" holes at 12:00, 3:00, 6:00, and 9:00. This allows any trapped air to escape. __________________ 1970 2WD K5 1968 Camaro Conv 1967 Chevy SWB 1964 Malibu SS 1957 Corvette Pics www.picturetrail.com/wesmigletz



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