When car fluids accidentally pour on the engine mount rubber during car service, they may not have an immediate effect but can affect the functionality of the rubber overtime. Photo by Roland Nasasira ...

I've got a 1974 GMC Sprint project car. It was originally a 350 small-block Chevy with a TH350 trans, but I sold the engine and trans and installed a 454 [big-block] and TH400 trans in it.