Thermostat And 502 Mpi

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10-11-2004, 01:33 PM

rpierson

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Thermostat And 502 Mpi

I have a 502 MPI and I believe it has a 160 degree thermostat, does anyone know if I can use a different thermostat?

10-11-2004, 02:27 PM

ursus

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Re: Thermostat And 502 Mpi

No, if you use a 143 degree thermostat ( from a carb engine) the computer thinking the engine hasn't warmed up yet will run the engine rich using more gas/dirty transom.

Why do you want to use a different stat ?

10-12-2004, 08:32 PM

rpierson

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Re: Thermostat And 502 Mpi

Thanks for the info. I was thinking about changing it because it seems to run 180 or so. Just thought it might help.

thanks

10-12-2004, 08:36 PM

BryanTuvell

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Re: Thermostat And 502 Mpi

Had a 160 in he last Donzi and she always hugged 175...
Go with what Merc recommends.
Bryan

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