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Old 03-14-2013, 11:43 AM   #1
Larz29
 
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Royal purple and redline oil increased horsepower

One of my friends who drives a challenger said he has used both royal purple and redline oil, and he said Royal purple gave him an extra 15 horsepower... any truth to this? Is Royal purple or Redline bad to use for a street driven camaro ss?
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Old 03-14-2013, 11:45 AM   #2
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No. There can be a slight power increase from less friction and better ring sealing but no where near 15 horse.
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Old 03-14-2013, 11:46 AM   #3
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I'd say to him "Prove it." Because I highly doubt the HP claims.

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Old 03-14-2013, 11:50 AM   #4
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Unless he dynoed the car with fresh "insert brand of oil here" then drained and filled with Royal or Redline and dynoed again on the same day; he has no proof in my humble opinion.
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Old 03-18-2013, 04:40 PM   #5
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15hp? That's a real specific butt dyno he's got there.
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Old 03-18-2013, 10:53 PM   #6
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On our small block chevy stock eliminator cars, switching from 5w-30 synthetic to 0-9w Royal Purple was worth .09 seconds in the quarter. Never dynoed it.
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Old 03-18-2013, 11:02 PM   #7
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Quote:
Originally Posted by Larz29 View Post
One of my friends who drives a challenger said he has used both royal purple and redline oil, and he said Royal purple gave him an extra 15 horsepower... any truth to this? Is Royal purple or Redline bad to use for a street driven camaro ss?
Stickers also add 10 HP so make sure you get that tail end all stickered up too!!!
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Old 03-18-2013, 11:10 PM   #8
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15hp? That's a real specific butt dyno he's got there.
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Old 03-21-2013, 12:28 PM   #9
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Quote:
Originally Posted by Larz29 View Post
One of my friends who drives a challenger said he has used both royal purple and redline oil, and he said Royal purple gave him an extra 15 horsepower... any truth to this? Is Royal purple or Redline bad to use for a street driven camaro ss?

They are both good oils, but I doubt that you'll see a 15hp difference between fresh fills of any two oils of the same viscosity...
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