Ok, If you are trying to heat 13 gal. of grease, and the inside, and a radiator,
Don't you think this is a bit much to ask of a 5 cyl. in Denver(ish)
at this time of year?


Between the temps. outside, the extra heat you need for 13 gal. of
grease (that is a bit much), and a cooling system that
was designed to keep everything in check without heating the extra grease,
Maybe you should consider a piece of cardboard up front.

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81 Mercedes 300SD 289k.......SOLD
82 Mercedes 300CD 252k......slow ride

82 mercedes 300 SD...mi Unknown
83 Mercedes 300D ????ksniff..gone too
84 Mercedes 300D 148k........SOLD
85 Mercedes 300TD 386k and holding some one elses project