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04-18-2015, 05:23 PM
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Registered User
Join Date: Feb 2015
Location: houston texas
Posts: 206
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small block casting mark?
so when i bought the truck the guy told me it was a 5.7 350. i check the casting number for the year and its really a 400 from a 70-73 B or G Body. the heads are 400 heads from 70-73 also. I'm gonna assume the heads are the origonal for that engine. what does the casting marks on the heads mean? i have this mark on my heads
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