99 5.4 engine tapping

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Apr 12, 2008 | 10:43 PM

#16

Klitch

Senior Member

Joined: Oct 2003

Posts: 4,920

Likes: 5

From: Washington

Quote:

Originally Posted by DrTriton

Don't waste your money on the 5W20 - it's only specified for a VERY slight mileage benefit, nothing else. 5W30 will work just fine.

hello? you missed something...

Quote:

5W20 is a back spec. 99's are fine with 5W30.

IMO, 5-20 wouldnt hurt him

Apr 13, 2008 | 11:02 AM

#17

glc

Senior Member

Joined: Dec 2006

Posts: 43,533

Likes: 817

From: Joplin MO

Last I looked, 5W20 and 5W30 were the same price.

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