1968 Dodge Charger loses hp when I replaced the oil
MICHAEL WALKER
MEMBER
1968 DODGE CHARGER
Engine Performance problem
1968 Dodge Charger V8 Two Wheel Drive 667584 miles
my 68 charger lost hp when I switched brands I went from pennzoil to castrol
Friday, September 11th, 2009 AT 4:12 PM
1 Reply
HMAC300
MECHANIC
48,601 POSTS
I dontl know how you can think your hp went down unless you have a dyno to check it all the time and dynos are notoriuous for different readings due to temp/humidity, etc. If you want a better thing switch to synthetic oil.