ATF again under Republican fire. The much-maligned Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is again coming under fire from Republicans and gun rights groups, who are pushing to rein in the agencyâs power â or abolish it altogether.
A North American block heater cord and plug. A block heater warms an engine to increase the chances that the engine will start as well as warm up the vehicle faster than it normally would in extremely cold weather.The most common type is an electric heating element in the cylinder block, connected through a power cord often routed through the vehicle's grille. block heater warms an engine to increase the chances that the engine will start as well as warm up the vehicle faster than it normally would in extremely cold weather. The most common type is an electric heating element in the cylinder block, connected through a power cord often routed through the vehicle's grille.
A sealer such as Loctite 518 is applied to the bottom third of the cylinder to keep it in place and to prevent oil from migrating up between the bottom end of the sleeve and the block. Anything that gets between the sleeve and block (be it oil, carbon deposits or even air) can interfere with good heat transfer. With water-cooled cast iron blocks, the general recommendation for installing dry flangless sleeves is to use about .0015Ë to .002Ë of interference fit.