General consensus on oil changes
5th Gear Member
Joined: Aug 2005
Posts: 2,638
From: Whitehall, Michigan
RE: General consensus on oil changes
ORIGINAL: Chopper
Go to the oil forum in my sig they have answers for everything.
Now about the Harley.He had better be sure about the detonation or he can expect to be buying new and expensive pistons in the future.To help hear detonation you can wear earplugs while riding the bike.This cuts out the wind noise and allows the sound to travel up through your bones to the ears.Sounds CrAzY don't it but it works.
Go to the oil forum in my sig they have answers for everything.
Now about the Harley.He had better be sure about the detonation or he can expect to be buying new and expensive pistons in the future.To help hear detonation you can wear earplugs while riding the bike.This cuts out the wind noise and allows the sound to travel up through your bones to the ears.Sounds CrAzY don't it but it works.
Gentleman's Relish
Joined: Feb 2005
Posts: 13,189
From: AZ
RE: General consensus on oil changes
ORIGINAL: ncrucla
I have asked a few mechanics this question and I never seem to get the same answer twice. I am wondering what everyone else thinks. If I am using synthetic oil, how often should I be changing my oil. I seem to get answers ranging from 3000 miles all the way up to 15,000 miles.
Another one is the effects of using 87 octane gas in a car that stipulates using 91. I seem to get answers from it really won't matter to it will ruin my engine. Everyone's thoughts?
Thanks
I have asked a few mechanics this question and I never seem to get the same answer twice. I am wondering what everyone else thinks. If I am using synthetic oil, how often should I be changing my oil. I seem to get answers ranging from 3000 miles all the way up to 15,000 miles.
Another one is the effects of using 87 octane gas in a car that stipulates using 91. I seem to get answers from it really won't matter to it will ruin my engine. Everyone's thoughts?
Thanks
2 questions - 1) is most of your driving highway or street? 2) Are you conservative in your driving habits or foot to floor all the time?
If it's mainly highway driving and conservative 7.5K miles should be good, if you're city/foot to the floor 5k.
Use what the car recommends unless you have mods that dictate a different octane be used. Ie 91 Octane does nothing for a car tuned for 87. The caveat is as the car gets older, 89 octane will help with knocking.
Thread Starter
Joined: Mar 2006
Posts: 3
RE: General consensus on oil changes
I have actually been replacing my oil every 5,000 miles just to be on the safe side and that also seems to be the general consensus.
As far as the 91 octane versus the 87 octane question; it stems from my debate between my wife and I. I drive a 2005 V6 mustang, she drives a 2005 fully loaded nissan 350Z. The Manufacturer states that he Z requires 91 octane. My wife and I have been debating whether it matters since we bought the car. Thanks for any information or support for that matter.
As far as the 91 octane versus the 87 octane question; it stems from my debate between my wife and I. I drive a 2005 V6 mustang, she drives a 2005 fully loaded nissan 350Z. The Manufacturer states that he Z requires 91 octane. My wife and I have been debating whether it matters since we bought the car. Thanks for any information or support for that matter.
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