D Double Duce New member Apr 6, 2020 #1 If I am running a stock harber freight 6.5 motor with 10.8 valve springs in it would it help to put 18.0 springs in it or hurt me
If I am running a stock harber freight 6.5 motor with 10.8 valve springs in it would it help to put 18.0 springs in it or hurt me
S SmoothRide25 Member Apr 6, 2020 #3 Agreed. You’re just making it work harder than it needs to for a stocker.