Oil Weight Question
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From: Dallas, Tx
Oil Weight Question
2005 S-Type 3.0 54K.
I have been using the 5-30 top of the line synthetic oil in my car. However on of the owners of the best known and perhaps most knowledgeable guy in those shops in Dallas, suggest I should use in this car a 20-50 synthetic and a quart of Lucas. The reason he gave is that it will quiet down and give longer life to the VTTs in the car and that due to our extreme heat in Dallas, it is much better for the car. I was curious if there were any experiences or comments that some of you could offer as to the positive or negative of this.
Thanks
Tom in Dallas
2005 S-Type, 3.0 54 k
I have been using the 5-30 top of the line synthetic oil in my car. However on of the owners of the best known and perhaps most knowledgeable guy in those shops in Dallas, suggest I should use in this car a 20-50 synthetic and a quart of Lucas. The reason he gave is that it will quiet down and give longer life to the VTTs in the car and that due to our extreme heat in Dallas, it is much better for the car. I was curious if there were any experiences or comments that some of you could offer as to the positive or negative of this.
Thanks
Tom in Dallas
2005 S-Type, 3.0 54 k
I'm sure most on here will tell you to follow the recommended oil and weight givin in the Manual for the temps and driving conditions you are exposed to.
But in other vehicles, race and street, 2 and 4 wheels I may change the oil up based on similar logic. Remember this though, A thicker oil takes longer to get to the top end, too thin and you lose the cold start protection, and either can lead to poor flow and cooling.
Edit: I've not yet heard of a S-Type going to the shop for oil related problems... so I'd stick with what the OEM said. They know what they are talking about.
With that being said, I ALWAYS replace one qt. of oil for 1 qt. of Lucas Oil, Oil stabilizer. I've tested this on many race cars in the past and much less were n tear due to cold starts with than without. I personally say that it's not "snake oil".
But in other vehicles, race and street, 2 and 4 wheels I may change the oil up based on similar logic. Remember this though, A thicker oil takes longer to get to the top end, too thin and you lose the cold start protection, and either can lead to poor flow and cooling.
Edit: I've not yet heard of a S-Type going to the shop for oil related problems... so I'd stick with what the OEM said. They know what they are talking about.
With that being said, I ALWAYS replace one qt. of oil for 1 qt. of Lucas Oil, Oil stabilizer. I've tested this on many race cars in the past and much less were n tear due to cold starts with than without. I personally say that it's not "snake oil".
Last edited by SchultzLD; Oct 31, 2011 at 11:16 AM.
Thread Starter
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Veteran Member
Joined: Apr 2009
Posts: 1,048
Likes: 140
From: Dallas, Tx
I'm sure most on here will tell you to follow the recommended oil and weight givin in the Manual for the temps and driving conditions you are exposed to.
But in other vehicles, race and street, 2 and 4 wheels I may change the oil up based on similar logic. Remember this though, A thicker oil takes longer to get to the top end, too thin and you lose the cold start protection, and either can lead to poor flow and cooling.
Edit: I've not yet heard of a S-Type going to the shop for oil related problems... so I'd stick with what the OEM said. They know what they are talking about.
With that being said, I ALWAYS replace one qt. of oil for 1 qt. of Lucas Oil, Oil stabilizer. I've tested this on many race cars in the past and much less were n tear due to cold starts with than without. I personally say that it's not "snake oil".
But in other vehicles, race and street, 2 and 4 wheels I may change the oil up based on similar logic. Remember this though, A thicker oil takes longer to get to the top end, too thin and you lose the cold start protection, and either can lead to poor flow and cooling.
Edit: I've not yet heard of a S-Type going to the shop for oil related problems... so I'd stick with what the OEM said. They know what they are talking about.
With that being said, I ALWAYS replace one qt. of oil for 1 qt. of Lucas Oil, Oil stabilizer. I've tested this on many race cars in the past and much less were n tear due to cold starts with than without. I personally say that it's not "snake oil".
Thanks
Tom
Joined: Oct 2009
Posts: 11,057
Likes: 2,272
From: Perth Ontario Canada
There is NO evidence (even circumstantial) to even hint that the oil viscosities recommended in the owner's manual are not optimal. Jaguar specifically cautions against the use of additives in the oil.
There's probably nothing more dangerous than somebody with relatively limited experience and knowledge trying to out-guess/second-guess the engineering resources of an OEM.
There's probably nothing more dangerous than somebody with relatively limited experience and knowledge trying to out-guess/second-guess the engineering resources of an OEM.
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