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Re: block heater
Three commonly available aftermarket types.....
Remove one of the freeze plugs (requires draining the coolant) and replace with a freeze plug which incorporates an electic resistance heater.
Splice a unit into the heater hose (requires lowering the coolant level, but not a complete drain) - circulates heated coolant through the block and heater core.
Lower hose heater (requires draining the coolant) - remove lower hose at the radiator, insert heater, and reconnect hose.
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