This may be a dumb question.
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Registered User
Joined: Feb 2010
Posts: 29
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This may be a dumb question.
But ill ask it anyway. OK again even tho most of you probably already know because I post questions alot. I have a 07 5.7 HEMI QC and I just was noticing that my engine stays hot/warm for quite awhile as in I can get home (after not really driving it hard or anything) go inside and come outside a good 2 hours later and the grill will still be pretty warm. now the truck isn't over heating or anything I was just wondering if anyone else noticed this. Thanks again guys for answering all my questions.
Professional
Joined: Dec 2009
Posts: 233
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From: Chico, CA
100th post, feel special. my engine stays warm a while too and it tends to run pretty cold when i drive it... even on the long stretch between LA and Sacramento.
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Record Breaker
Joined: Dec 2009
Posts: 1,262
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From: Ontario Canada
arent the hemi's aluminum blocks?
Record Breaker
Joined: Dec 2009
Posts: 1,262
Likes: 1
From: Ontario Canada
never mind found this lol
-The 5.7-liter HEMIŽ Magnum V-8 engine is an internally balanced pushrod (OHV) 90-degree V-8. The cast iron block is a deep skirt and cross-bolted design with cylinder bore spacing the same as the engine it replaces.
-The aluminum cylinder features a two-valve per-cylinder, hemispherical combustion chamber with dual spark plugs and a coil over plug ignition for best-in-class airflow and power. At an impressive 345 hp and 375 lb.-ft of torque, the 5.7-liter HEMI cranks out 41 percent more power and 12 percent greater torque than the 5.9-liter Magnum V-8 it replaces. And the power plant is 56 pounds lighter than its predecessor.
-The 5.7-liter HEMIŽ Magnum V-8 engine is an internally balanced pushrod (OHV) 90-degree V-8. The cast iron block is a deep skirt and cross-bolted design with cylinder bore spacing the same as the engine it replaces.
-The aluminum cylinder features a two-valve per-cylinder, hemispherical combustion chamber with dual spark plugs and a coil over plug ignition for best-in-class airflow and power. At an impressive 345 hp and 375 lb.-ft of torque, the 5.7-liter HEMI cranks out 41 percent more power and 12 percent greater torque than the 5.9-liter Magnum V-8 it replaces. And the power plant is 56 pounds lighter than its predecessor.
Record Breaker
Joined: Oct 2008
Posts: 1,158
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From: Edmonton Ab Canada
Cast Iron and the water glycol mix that forms your coolant both have very high specific heat capacities meaning that they hold on to their heat energy for a long time. Nothing to be worried about.
