I've seen alot of people running the iron 5.3's with lots of success. They seem to hold 500rwhp without issue and some have gone as high as 650 rwhp for a few seasons. I bought mine for $300 off ebay with 45K miles on it. I'm putting it in a 00' TA with a front mount TC78. Just a thought.
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2019 Satin Steel Metallic Cadillac Escalade ESV Sport
2010 Radiant Silver Cadillac CTS Wagon
2007 Blue Silverado Max LTZ CCSB 4x4
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