Keith Browning Posted January 4, 2012 Share Posted January 4, 2012 With all of the trouble the oil cooler and EGR coolers have given us on these engines why haven't we seen anything much about a redesigned less restrictive oil cooler. I thought I once stumbled upon one. It almost seems logical to address that problem before the EGR cooler would it not? Quote Link to comment Share on other sites More sharing options...
Matt Saunoras Posted January 4, 2012 Share Posted January 4, 2012 If I recall correctly remember the original oil coolers had the round little holes in the top whereas the new coolers are flat. I do believe there is one additional coolant passage in the later coolers and it was claimed a 10% increase in capacity (11 coolant channels instead of 10 rings a bell) not that 10% really means a damn thing, instead of a cooler clogging up in 100k miles it'll clog up in 110,000 also I have stumbled across this in my reading Quote Link to comment Share on other sites More sharing options...
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