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XXX stamp [Archive] - StangBangerz Forums
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thejock60
10-13-2007, 01:36 AM
on a 302 what does it mean?
Walter
10-13-2007, 03:08 AM
It means you need to be at least 18 years old to own it. :lol:
dedpedal
10-13-2007, 09:07 AM
As far as I know it doesnt mean much of anything to us. I believe its just a factory casting mark. Ive heard that either the XXX or YYY is suposed to be a stronger block but Ive never seen anyone with authority mention it. Kind of like the old myth that cars with a black dot in the 5.0 emblem were supposedly quicker than the ones with a red dot.
ibstrokin
10-13-2007, 10:37 AM
It means your engine is naughty
thejock60
10-13-2007, 11:32 AM
ok i was wondering if it was stronger, thicker walls, a roller or whatever.


It's just a shame i don't get a discount at the local pron store with it:D
87stanger
10-15-2007, 12:23 AM
i have 2 with the xxx. one from a tbird and the other out of a stang and i have a yyy that came out of a lincoln mkvII. all three are h.o.s with the 351 firing order. maybe the yyy is casting for mercury??? I would like to no whats up with it myself
RIXXX93GT
10-17-2007, 04:23 PM
Just a casting mark and I believe the XXX are all roller blocks.