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View Full Version : Oil for 35HP Vanguard Big block

1998tahoe
08-01-2011, 12:47 AM
Both of my mowers are coming up due for an oil change. What type if oil do I need to run in this engine? I was told by my dealer he would run Castrol SAE HD 30wt.
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Restrorob
08-01-2011, 06:50 AM
Follow your dealer's suggestion and you should be fine.....
jetta
08-01-2011, 08:28 AM
is there any zddp in straight wt oil anymore? it is bareley in multi weight now and thats not enough, we use diesel grade oil now.
Restrorob
08-01-2011, 12:21 PM
You can use anything you like, But..... As long as you use what the OEM's recommend, They should know what's best for their engines.


http://i107.photobucket.com/albums/m314/Restrorob/Briggs/Vanguard%20Twin/BriggsVanguardOilChart.jpg
retrodog
08-01-2011, 12:51 PM
10 30 castrol is what we normally use too. There is a few guys that run amsoil 10 30 for a little more. Opti 4 claims they double the warranty of your engine if you start with it and use it exclusivly. I am looking into it to make sure, but if they double the vanguard warranty, it would mean a 6 year warranty on all internal engine parts! Might be the best way to go...