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.
04 F250 CC SB 7.3 PSD city 15/highway 18
Converted to ZF6 with manual transfer case
38R with ebpv delete, hpop Xover line, Regulated return bowl delete, tymar intake, straight piped, bellowed up pipes, stock tunes at the moment
Ford Australia imported 7.3 PSD till 05.
Last edited by Kramer73; 02-09-2012 at 01:35 AM.
Reason: more info