Insulating engine
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5th Wheeling
Joined: Sep 2021
Posts: 32
Likes: 9
Insulating engine
Dear All:
Was curious of the effect of insulating the block, head and pan to retain heat and having a large radiator and oil cooler (both with thermostats). Would this make the engine more efficient? (1994 stock 4.9L EFI 5sp-manual)
Thanx,
BSI
Was curious of the effect of insulating the block, head and pan to retain heat and having a large radiator and oil cooler (both with thermostats). Would this make the engine more efficient? (1994 stock 4.9L EFI 5sp-manual)
Thanx,
BSI
Hotshot
Joined: Jul 2020
Posts: 10,470
Likes: 2,633
From: Near Salt Lake City
Still
You are onto something...
* The hotter the run, the faster they go
My Boss 302 "had" a 214 degree thermostat in it
Google "why Ford used a 214 degree thermostat in a 1969 Boss 302"
You go ahead and run hot if you want, just be careful
Fastest car I've ever been in was a 69 super bee with a well built 440 with a tunnel ram
He talked about blowing the radiator cap off his regularly
Mine was running so hot I couldn't drive it back when I first built it
You are onto something...
* The hotter the run, the faster they go
My Boss 302 "had" a 214 degree thermostat in it
Google "why Ford used a 214 degree thermostat in a 1969 Boss 302"
You go ahead and run hot if you want, just be careful
Fastest car I've ever been in was a 69 super bee with a well built 440 with a tunnel ram
He talked about blowing the radiator cap off his regularly
Mine was running so hot I couldn't drive it back when I first built it
Trailering
Joined: Jan 2026
Posts: 21
Likes: 10
NOPE, do some research on dragsters and race cars. Melting an engine is not a good thing. You are saying let's make it really hot then cool it wit a big radiator, they contradict each other. There have been air cooled engines, even V8's.
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