Amsoil Synthetic engine oil or Royal Purple engine oil

roady89 · 06-01-2008, 12:22 PM

Amsoil Full Synthetic engine oil or Royal Purple full synthetic engine oil? I have 2 quarts of Royal Purple Full synthetic engine oil but a freind of mine is a Amsoil dealer - Harley Davidson engine builder and swears by amsoil. He uses an Amsoil full synthetic oil specifically for air cooled engines. I wanna get this 23 HP Vanguard running today but at the same time I wan't the best engine oil money can buy.

BigBlockMan · 06-01-2008, 02:46 PM

Roady
We like to run motor first few hours on dyno oil then switch to synthetic They seem to break in better. 3-5 hrs and then change to Any brand synthetic is good, Mobile1, Castrol, Amsoil, Royal purple, Cool power, Optimal. The list goes on. all of them provide better protection at higher temps and don't change viscosity as much when cold. Since your motor had a cam installed we use a moly based cam/assembly lube so first oil change will be darker than you would expect.

roady89 · 06-01-2008, 02:50 PM

Thats the way I was always taught, Straight up dino oil for break in then switch to full synthetic after break in. The only reason I am even considering this is because this guy builds harley engines and swears by it even for break in.

BigBlockMan · 06-01-2008, 06:13 PM

Synthitic for break in will take longer, And you will probably be like everybody else and break it in about 1/2 of what you should. LOL. Besides the first few hours and change is to get inital particals out. using synthetic for that short of time is a waste.

06-01-2008, 12:22 PM	#1
roady89 Administrator Join Date: Jun 2007 Posts: 9,025	Amsoil Synthetic engine oil or Royal Purple engine oil Amsoil Full Synthetic engine oil or Royal Purple full synthetic engine oil? I have 2 quarts of Royal Purple Full synthetic engine oil but a freind of mine is a Amsoil dealer - Harley Davidson engine builder and swears by amsoil. He uses an Amsoil full synthetic oil specifically for air cooled engines. I wanna get this 23 HP Vanguard running today but at the same time I wan't the best engine oil money can buy.
roady89 Administrator Join Date: Jun 2007 Posts: 9,025	IGKRA #89 Golf Carts \| Lifted Golf Carts \| Electric Golf Carts \| \| \| \| \| \| \|

06-01-2008, 02:46 PM	#2
BigBlockMan Gone Wild Join Date: Feb 2007 Location: Southwest Georgia Posts: 931	Re: Amsoil Synthetic engine oil or Royal Purple engine oil Roady We like to run motor first few hours on dyno oil then switch to synthetic They seem to break in better. 3-5 hrs and then change to Any brand synthetic is good, Mobile1, Castrol, Amsoil, Royal purple, Cool power, Optimal. The list goes on. all of them provide better protection at higher temps and don't change viscosity as much when cold. Since your motor had a cam installed we use a moly based cam/assembly lube so first oil change will be darker than you would expect.

06-01-2008, 02:50 PM	#3
roady89 Administrator Join Date: Jun 2007 Posts: 9,025	Re: Amsoil Synthetic engine oil or Royal Purple engine oil Thats the way I was always taught, Straight up dino oil for break in then switch to full synthetic after break in. The only reason I am even considering this is because this guy builds harley engines and swears by it even for break in.
roady89 Administrator Join Date: Jun 2007 Posts: 9,025	IGKRA #89 Golf Carts \| Lifted Golf Carts \| Electric Golf Carts \| \| \| \| \| \| \|

06-01-2008, 06:13 PM	#4
BigBlockMan Gone Wild Join Date: Feb 2007 Location: Southwest Georgia Posts: 931	Re: Amsoil Synthetic engine oil or Royal Purple engine oil Synthitic for break in will take longer, And you will probably be like everybody else and break it in about 1/2 of what you should. LOL. Besides the first few hours and change is to get inital particals out. using synthetic for that short of time is a waste.

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