HELP! New fox owner power question

Mustang5L5

i'm familiar with penetration
Mod Dude
Feb 18, 2001
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E7's usually have a "T" cast into one corner, which is what I was having the OP look for.

S is E6SE, T is E7TE and R is the E5TE head. One of the easiest way to ID heads. This letter should be on the other side of the head where the numbers are. Maybe the OP can give the heads another look. Look in all 4 corners and see what numbers/letters are cast.
 
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