Quote Originally Posted by Ramsey View Post
jeez bud i wish i could help ya ,im in the same shoes,i have a po300 i cant get rid of .never though of a bent or burnt valve.its typial to have more power with cooler temps,mines the same.when its real hot mine doesnt get out of its own way either.and also with a/c on forget it .lol.i cant wait to see wat u get for replies.ive changed everything that u can unbolt on my motor and still have the same issue,and cant get rid of po300 for nothing.good luck,hope i helped some.
Well why don't you run a compression and leak down test and let me know what the out come is since we're experiencing the same kinda issue. Will do mine when I get home if not forced to go back to another shop and get raped.