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texas speed castech heads?

Old 10-30-2014, 01:16 PM
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I just got my pair of texas speed stage 2.5 5.3 heads and they have the castech marker on them... arent castech heads known for their issues??
Old 10-30-2014, 01:32 PM
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yep, heads cracking, good times!

EDIT: What was the casting number?
Old 10-30-2014, 02:06 PM
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They heads say prc and 2.5 where the casting numbers were
Old 10-30-2014, 02:38 PM
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To our knowledge, the problem only occurred on production vehicles not from stock. We have thousands of our heads out there with zero issues do to it being a Castech head. We even have heads holding on 25lbs of boost without issues.
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Old 10-30-2014, 03:05 PM
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FYI about the TSB.
http://ww2.justanswer.com/uploads/Bluegorilla/2008-12-05_142924_Coolant_loss_5.3.pdf


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