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7,235 Posts
Discussion Starter · #1 ·
After reading the MT article on the 03 Cobra,it was very interesting,that they went to an iron block and aftermarket conn.rods,in order to use 8 lbs. of boost. I was under the impression that the Cobra 4.6 could handle 8 psi. without many problems. I guess Ford wants to be safe on this one. Reminds me of the bottom end upgrades you got on the old SCJ option on the 428s!!
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