First off, is the cooling system all stock as it came from the factory? I have a 427 version completely stock with the 4 row as you describe. I had same problem until I did the following.
The cars cooling system was NOT by design set up for a coolant recovery or plastic can attachment. The upper portion of the upper radiator can was for the needed space in the cooling system for expansion. If your filling the system 100% full when it opens the thermosat it is too full and will puke out the coolant mix. Leave it about 3/4 full (upper tank) when the thermostat is open and coolant is visably flowing with the cap off. Make sure your cap is good to 18 lbs.
2nd. the fan clutch from the trucks for that year will work wonders for you in keeping temps down. I live in Yuma AZ. where summer temps reach 117 plus and stays there most of the mid summer days. My big block with 4 speed and all stock 4 row cooling system and a truck heavy duty fan clutch behind the stock fan and a 160 thermostat lets me run about 165 to 170 on the interstate all day long here and it will climb to about 195 sometimes towards, but not to 200 at a long city stoplight. Never been over 205 since it was returned to stone stock and a truck fan clutch and 160 stat.
GM had it right for these cars back then and it still works today. I had a twin electric fans set up on it for a while it would not stay below 200 on the best day out. The wife of the owner of the oldest radiator shop here in town saved me many headaches when she told me how to do the above and added, never add the catch recovery can system and get rid of the electric fans on it at the time.
Sometimes, the old guys and gals still have it. !!
just take the shroud off to give you a little bit of room to work leave the radiator in
Low coolant, radiator restriction (inside and/or outside the radiator), inoperative radiator fan, missing/broken fan shroud,
A bad fan clutch, low on coolant, missing fan shroud, bad thermostat or a plugged up radiator.
Could be defective thermostat, bad fan clutch, insufficient fan shroud, plugged or inadequate radiator, or underperforming water pump.
Does it hurt the engine? Yes and no. It won't hurt to run the engine for a while. But running without a fan shroud seriously reduces the efficiency of the cooling system. Consider the shroud on a rad as a type of straw. Without it you won't suck much air through the rad. At slower speeds this will probably end up as an overheat situation. If the vehicle came with one, use it.
He was buried in a linen shroud.
There is a shroud of Turin? Is that what you mean?
we sailed into a shroud of fog. we watched as his body was wrapped in a shroud and buried.
No it is not , as the shroud and Jesus lived different times, the shroud is not that old.
Shroud is a noun and a verb.
Shroud of Shadow was created in 1994.
The Shroud of the Thwacker was created in 2005.
The Iron Shroud was created in 1830.
The Lady of the Shroud was created in 1909.
Shroud for a Nightingale was created in 1971.
Shroud - comics - was created in 1975.
The ISBN of The Shroud of the Thwacker is 1401352456.
The Mummy's Shroud was created in 1967.
The answer is in the word "shroud". The shroud that Jesus was buried in is drapped over the Cross to signify that his death on the Cross was not the end, that he was raised from the dead. The shroud was one proof of this to his followers.
His body was wrapped in shroud.
Shroud for a Nightingale has 296 pages.
The Shroud of the Thwacker has 368 pages.
An April Shroud has 256 pages.
The duration of The Mummy's Shroud is 1.5 hours.
No. The Shroud of Turin is an example of medieval technology. However, it required advanced technology to prove the Shroud to be a fake.