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Tim H · 10-07-2012, 08:01 PM

Anti drain back valve,allegedly developed to correct the infamous cold piston slap in millions of GM 3.1 litres back in the early 1990's.

10-07-2012, 08:01 PM	#10
Tim H VIP Member Join Date: Jan 2007 Posts: 1,044 Likes: 1,094 Liked 485 Times in 160 Posts	Re: ? on oil fitters.... Anti drain back valve,allegedly developed to correct the infamous cold piston slap in millions of GM 3.1 litres back in the early 1990's.