Big dumb redneck
Join Date: Apr 2009
Location: Olive Branch, Mississippi
Re: upgrading to s369sxe
There are guys running bigger turbos than the 69 you are considering without fire rings with no issues. I think where you'd see issues is if the stud job you currently have wasn't done correctly. Meaning, heads not machined correctly or enough, deck not cleaned properly, improperly torqued studs. You get what in saying. Yeah fire rings are good insurance, but for a truck you plan do DD I don't see you building enough boost to make those a necessity. Don't recall if you had aftermarket intercooler or not, but if you are still on the stock one it would blow long before you built enough boost to lift the heads again if they were done right.
I'm also curious how you like the 363. I've tossed that idea around for a while now, but I'm on much smaller injectors.
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2005 F350 CCLB Dually
5" straight piped
KC Stage 1.5
Beans sump to the stock pump
Tuned by several...depends on my mood for the day.