Originally Posted by DOHCEJ22E1
96 25D HLA heads for the smoothness/quickness of response or the 97-99 heads for a slightly longer powerband for touring/long distance traveling. The 97-99 25D heads on my 22E come to life after about 2500rpm & the power is carried all the way to redline.
So is it as simple as just swapping the heads and new gaskets? I'm trying to get to know this stuff and would love to do this! Most of my driving is highway and plenty of 25's at the junkyard.