Originally Posted by Jambbii
I have the Durango. HotRodDave gave me the advice. I did the valve springs as well and took .020 of the heads. Still running good! My only complaint is that now I need to do headers and a custom tune!


That'll wake it up even more...
I've seen ric do the swap about 6 different times a few trucks and Challengers and each time it amazes me why FCA doesn't do it with the 5.7 Challengers, I can understand the trucks not geting it,. but the 5.7 R/T Challenges form new would be F@#$ing monsters.

1963 Thunderbolt 496FE 10.80 (still a work in progress)
1968 Mustang slow a$$ 428 FE
1971 Boss 351 Mustang 11.20@115mph
1993 Lightning 10.61 @ 129mph 408Ci A3 headed NA
1996 Viper GTS
2001 Lightning 8.99 @ 155MPH 5.4 Mod Motor
2009 Ram 9.65@144MPH 463CI G3 NA
2010 Challenger 9.91 @ 139MPH 408CI G3ci NA
2019 F150 (local dealer's Lightning package) ..11.90s