2012-2013 BOSS 302

Burning Oil/Engine Noise

Old Dec 20, 2011 | 06:31 PM
  #41  
mazda_fomoco's Avatar
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hello all was just looking for info and came across this thread and just wanted to give my input. i have a mazdaspeed 3 but my motor has fomoco stamped everywhere soooo im a ford guy? well anyways would love to get into a 302.

doesn't the 302 have forged pistons? That will explain the oil consumption and noise (piston slap).

forged pistons have a larger piston to wall clearance due to the expansion when up to temp. Piston will slap and have more blow by when cold.

i bet you consume more oil on short drives and colder weather. Let the engine warm up a little more and go easy on it till its up to temp.
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Old Dec 21, 2011 | 07:44 AM
  #42  
Mustangfreak's Avatar
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From: Spangdahlem AB Germany/ Home is Ft Worth
I broke mine in hard and have not noticed any oil consumption yet, and I'm at about 2,030 miles. I'll be checking today though.
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Old Dec 21, 2011 | 08:02 AM
  #43  
Mustangfreak's Avatar
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From: Spangdahlem AB Germany/ Home is Ft Worth
Originally Posted by mazda_fomoco
hello all was just looking for info and came across this thread and just wanted to give my input. i have a mazdaspeed 3 but my motor has fomoco stamped everywhere soooo im a ford guy? well anyways would love to get into a 302.

doesn't the 302 have forged pistons? That will explain the oil consumption and noise (piston slap).

forged pistons have a larger piston to wall clearance due to the expansion when up to temp. Piston will slap and have more blow by when cold.

i bet you consume more oil on short drives and colder weather. Let the engine warm up a little more and go easy on it till its up to temp.

The Boss has forged internals, but not the regular 5.0.
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