1968 Dodge Charger loses hp when I replaced the oil

Tiny
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

Tiny
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.
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Sunday, November 15th, 2009 AT 3:10 PM

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