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How to tell a real from a fake supercharged 850-851?

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08 Sep 2019 14:55 - 13 Sep 2019 15:50 #38234 by johnmereness
Replied by johnmereness on topic How to tell a real from a fake supercharged 850-851?
As a sidenote, the 1935 851 S/C Phaeton dad and one of his salespeople had in the 1970's was eventually converted this way when the supercharger blew up on the next owner - when we had the car you could accelerate and the supercharge housing would change color from porosity in the aluminum (they were still running coolant through it - we disconnected the coolant part, but it was still a bad casting at a time when no one was reproducing such).

Sidenote: Curt is correct in that I speak of coolant and coolant lines, but the running of water/antifreeze through supercharger is not meant to cool the supercharger - it is meant to be a preheater via lack of the exhaust manifold butterfly commonly found on exhaust manifold of a non-s/c car.

JMM
Last edit: 13 Sep 2019 15:50 by johnmereness.

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09 Sep 2019 17:05 #38244 by Curt Schulze
Replied by Curt Schulze on topic How to tell a real from a fake supercharged 850-851?
Those lines are not for cooling , but heater lines. Used in cold weather as a substitute for a manifold heat riser. Notice the input is in the back of the head and ends in the input to the water pump.

The bitterness of poor quality remains long after the sweetness of low price is forgotten.
Be of Good Cheer
Curt

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