454 Timing, Engine Temp and Performance
Race Director
Joined: Sep 1999
Posts: 11,361
Likes: 383
From: Plano TX
The way the cooling system has to work properly is coolant needs to stay in block long enough to absorb heat/Coolant has to stay in radiator long enough dissipate heat.
This is why the factory uses thermostat that is in the 190's.
Last edited by zwede; Nov 23, 2015 at 12:31 PM.
Melting Slicks
Joined: May 2002
Posts: 2,717
Likes: 121
From: Sulphur LA
St. Jude Donor '05-'06,'11,'13-'14,'16,'18,'19,'24, '25
do you have this hose in place
http://www.google.com/imgres?imgurl=...4mdAM&tbm=isch
have you tried opening the heater core valve and letting the water circulate through the core to see if it will stabilize your temps. I know it sounds odd but there are many threads on here that members have bypassed their heater core and have this issue.
Neal
http://www.google.com/imgres?imgurl=...4mdAM&tbm=isch
have you tried opening the heater core valve and letting the water circulate through the core to see if it will stabilize your temps. I know it sounds odd but there are many threads on here that members have bypassed their heater core and have this issue.
Neal
Last edited by chevymans 77; Nov 24, 2015 at 06:30 PM.
Thread Starter
Racer
Joined: Apr 2008
Posts: 436
Likes: 2
Full flush/replace of coolant and all is well. Also found out that 210 on my temp gauge is approx 180-190 per the IR gun. The car drives pretty well now without any off idle stumble, etc. I had a couple pops on decel from one WOT run, but that was the only time in 40 min worth of driving. Do you guys think I should look into that more or stop messing with the whole thing and just enjoy the driving. Thanks for all the help; this site is a must for the novice vette guy!
