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Originally Posted by ryker
padding in the intake? OMG! explain that one more?
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I got the idea from a user on another forum. The foam is meant to help with starting cold during the winter. When starting cold, the car doesn't use regen unless you force regen and as such your mileage suffer for the first few miles untill the engine and battery are at good temps.
To comabt this during the winter months I use pipe insulation foam. You can some at any Lowes or Home Depot. They alreay have a slit and hollow center, so just cut them to fit and slide over the intake grill bars on the lower grille, then cut some pieces to fill the gap on the upper intake.
I don't use glue or any adhesive but I've never had a problem with them moving. They still allow limited air to get thru, this is a small engine, it doesn't need much air, but the foam helps build up hot air inside.
The basic is the foam helps the engine warm faster. Added with the engine block heater and you can get regen working much faster than just starting cold. Small boost but over the life of the car can add up.