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Old 09-14-2021, 04:28 PM   #5
cproo12
Scooby Newbie
 
Member#: 520219
Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

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Quote:
Originally Posted by BlackFighter View Post
Those are casting marks. Its when molted metal like aluminum (what the SB is make out of) is purred, the metal over lays itself when its cooled to quickly. Mostly cosmetic.
Yes that is normal.
Perfect thanks. I have seen videos of people rebuilding engines (as this is my first rebuild, been doing a looot of research, and haven't noticed this sort of stuff on their photos/videos).

Appreciate the quick reply!
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