My street car has an all aluminum Indy 528 Hemi, I bought the car 85% complete so I have no idea what oil or cooling mods were done to it but I drive it every sunny day.
It has a solid roller cam and electric water pump and electric fans. 180 degrees all day long even in traffic.

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1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual