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Had the head gaskets done and while they were in there I told them to go ahead and do the oil cooler/egr delete mod). After driving it for a while (30 mi) I noticed that the performance was slightly different. Not bad at all just different.
Things I noticed
Engine was much quieter
On cold start (60*) cranked normally and fired right up.
Upon slight acceleration prior to op. temp.engine seemed to "bog" but was fine starting at about 0* ECT,EOT.
Found that I can pull more boost
Exhaust had a slight;y different sound
Don't 'know about MPG yet but will monitor.
Are these these the kind of things I can expect from these mods.
BTW, EOT and ECT shoed sat max difference of 6* while towing 7k at 80* ambient.