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> Headers and the blower housing outlets
rfinegan
post Aug 23 2023, 08:30 AM
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I have headers on my 2056 and no heat. What are people doing wit the outlets on the Fan/Blower housing at the bottom of the engine?

1) Leave them open and let them blow. NO HE or Tubes and such any more

2) Close off the blower outlets on the housing?

NOTE: this is not the aux electric blower that turns on with the heater in the engine bay


this was an older topic but I’m not finding with me search criteria
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technicalninja
post Aug 24 2023, 06:43 AM
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If I had heat exchangers, I would run the fan outlets just to cool the HEs and increase primary tube life. I'd leave the exits open if I was not using them for heat to the interior.

There is no downside to reducing the exhaust temps IMO.

I'd KILL for a sheet metal encased down tubes with forced cooling on all of my turbo builds. It's the ONLY way to properly cool stupid hot turbo exhaust.

On a turbo Miata this type of cooling set up would negate the need for transmission tunnel heat shielding.

Unshielded, a turbo Miata can melt your shoes!
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