406 running hot
Thread Starter
Instructor
Joined: Sep 2000
Posts: 121
Likes: 0
406 running hot
This is my first post, I need advice. Last year I put a 406 in my 79. Problem is it runs hot, around 220. I had the rad record. I have a stock water pump on the engine. Also, the heads have been drilled out. Any ideas?
Burning Brakes
Joined: Jan 2005
Posts: 1,163
Likes: 1
From: Indiana
Is your sensor on the heads or the intake? My 406 (66 Nova) ran 210* - 230* on the head (Dart II aluminum) and I never worried about it. It had an aluminum radiator, dual electric fans and an electric water pump.
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by Ironcross
I run a 180 thermostat with a factory stock cooling system in a 1970 LT1 370Hp an it never gets above 170 in all situations.
RACE ON!!!
Race Director
Joined: Nov 2002
Posts: 12,142
Likes: 54
From: Taylor Michigan
Originally Posted by CFI-EFI
Either you've never let it warm up or your thermostat is stuck open. Never over 170° with a 180° stat??? It shouldn't run less than about 180°.
RACE ON!!!
RACE ON!!!
