Under hood insulation in winter for hybrid?

[wax87]

Thank you, seams like they would be closed after 55 MPH

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[Master Blaster]

Don’t cooler engines run better and last longer?
My hybrid heats just fine at the frigid temps here the past two weeks.

No.

 

[wax87]

No.

Don’t cooler engines run better and last longer?
My hybrid heats just fine at the frigid temps here the past two weeks.

All of the different alloys that are used in an engine expand and contract at different rates, therefor the ICE is meant to run at a specific temperature range. Cooler is not better when it is below that range.

 

[Cherokee]

Anybody know if they ever only partially open?

 

[HeyBales]

Thank you, seams like they would be closed after 55 MPH

47% if cold out, but many times 0% closed on highway.

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