M MaxDestruction Member Dec 25, 2007 62 0 7 Oct 27, 2010 #1 Oct 27, 2010 #1 I have 2008 GT with 4.6 3V, what is recommended upgrade heads for increased performance? I heard 4V heads really wake these cars up. Thanks!
I have 2008 GT with 4.6 3V, what is recommended upgrade heads for increased performance? I heard 4V heads really wake these cars up. Thanks!
klaw Member Oct 11, 2007 343 0 16 Calgary, Alberta, Canada Oct 27, 2010 #2 Oct 27, 2010 #2 Forced induction really wakes these cars up. I don't see alot of 3V to 4V head swaps.
SpartaPerformance 10 Year Member Nov 5, 2006 2,517 61 89 Long Island NY Oct 27, 2010 #3 Oct 27, 2010 #3 4V heads wont work, you need to swap the pistons let alone a whole host of other issues. Get a supercharger!
4V heads wont work, you need to swap the pistons let alone a whole host of other issues. Get a supercharger!