02-09-2012, 12:31 AM
Join Date: Apr 2011
Location: Sunshine Coast, Queensland, Australia
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How much boost can I run with no tuner
I have a 04 (Aussie) F250 7.3L. Recently I upgraded to 38R with a turbomaster wastegate controller, 6637, straight piped the exhaust, bellowed up pipes and regulated return. However I am still running with no tuner.
My question is, due to having an adjustable wastegate, how much boost can or should I run?
I understand that gas engines need a perfect fuel/air ratio, and that diesels can run abit leaner.
Currently being stock, I have it set at 17lb boost. Would it make much difference to run maybe 20 or slightly higher?
Has anyone tried increasing boost while still running stock?
Also I understand about too much boost giving an engine light. I have a boost fooler but have not installed it yet as still running stock.
Last edited by Kramer73; 02-09-2012 at 12:35 AM.
Reason: more info