Big Block Chevy Overheating Page 2 Swapped from a 350 to 454, but now i'm battling overheating. on the big block i am running the chevy serpentine kit with reverse long water pump. the pump is brand new, so is the engine. it's a gm crate 454. i have a 180 degree thermostat and an aluminum radiator with a core that's approximately 2" thick by 20" wide. Big block chevy overheating question. jump to latest 21 29 of 29 posts. 1 2. chumley motorsports · registered. joined jan 29, 2010 · 966 posts #21 · may 3.
Big Block Chevy Overheating Page 2 Re: big block chevy overheating issue post by strange magic » wed nov 07, 2012 12:09 am if the engine builder made a simple mistake of missing the camshaft degree process in conjunction with some other mishaps, you really need to question the remainder of the build. Here is a video i took yesterday. it shows the fan running, but not at 100%. the fan, along with the thermostat are working together to cool the fluid and run it into the engine, to keep it right at 180 degrees. i am in austin, texas and when i was running my engine the temperature outside was prolly 98 100 degrees. So my oil pressure issue is obviously related to my overheating issue that i can't solve. 454 block bored .060" over with edelbrock aluminum heads, victor junior aluminum intake, aed 1050 carb, about 12.5.1 compression, and a custom ground howard's cam (have numbers if anyone wants to know) and it's getting to 230 easily. Swapped from a 350 to 454, but now i'm battling overheating. on the big block i am running the chevy serpentine kit with reverse long water pump. the pump is brand new, so is the engine. it's a gm crate 454. i have a 180 degree thermostat and an aluminum radiator with a core that's approximately 2" thick by 20" wide.
Big Block 402 Overheating Page 2 Team Chevelle So my oil pressure issue is obviously related to my overheating issue that i can't solve. 454 block bored .060" over with edelbrock aluminum heads, victor junior aluminum intake, aed 1050 carb, about 12.5.1 compression, and a custom ground howard's cam (have numbers if anyone wants to know) and it's getting to 230 easily. Swapped from a 350 to 454, but now i'm battling overheating. on the big block i am running the chevy serpentine kit with reverse long water pump. the pump is brand new, so is the engine. it's a gm crate 454. i have a 180 degree thermostat and an aluminum radiator with a core that's approximately 2" thick by 20" wide. 23763 posts · joined 2010. #1 · may 2, 2012. went over to friends house last night to help him start and run in the cam on his newly rebuilt big block chevy. car started and ran fine but was overheating after about 10 minutes of run in. he killed the car and i felt of the radiator in the middle and it was stone cold the hose hose ends top and. If the head gasket material blows between a water jacket and the inner area next to the cylinder, compression gases will enter the water jacket and send air through the head and into the cooling system. blown head gaskets produce profuse bubbling inside the radiator and expansion reservoir. rapid overheating results.
Big Block Overheating Page 2 Corvetteforum Chevrolet Corvette 23763 posts · joined 2010. #1 · may 2, 2012. went over to friends house last night to help him start and run in the cam on his newly rebuilt big block chevy. car started and ran fine but was overheating after about 10 minutes of run in. he killed the car and i felt of the radiator in the middle and it was stone cold the hose hose ends top and. If the head gasket material blows between a water jacket and the inner area next to the cylinder, compression gases will enter the water jacket and send air through the head and into the cooling system. blown head gaskets produce profuse bubbling inside the radiator and expansion reservoir. rapid overheating results.
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