My auto mechanic buddy has swapped a 5.4 in place of a 4.6. He did this in a pickup. Anyone ever try this in a Gran Marquis??
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It's been done a few times. That said, a stock 5.4 in place of a stock 4.6 is not worth the hassle. If you build it, then it might be worth the time.
My Cars:
-1964 Comet 202 (116K Miles) - Long Term Project
-1979 Ford LTD Landau (38K Miles) - New Cruiser
-1986 Dodge D-150 Royale SE (112K Miles) - Slowly Getting Put Back Together
-1987 Grand Marquis Colony Park LS (343K Miles) - April 2017 + September 2019 POTM Winner
-1997 Grand Marquis LS (244K Miles) - March 2015 + January 2019 POTM Winner - Sold (05/2011 - 07/2024) -
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The intake in particular is where most of the hassle is, not very many affordable and good performing options...If any at all right now.1999 Lincoln Town Car Signature, PI engine swap, Marty tune, Summit X-pipe Cherry bomb straight through Salute mufflers
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If it’s a naturally aspirated 2v 5.4, not worth it imho.
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