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Old 10-17-2013, 10:40 PM
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some questions on my 6.4

Hey guys just had a few questions about my 08 F250 King Ranch Lariat.

Im running h&s mini maxx on hd300 (stock tranny), s&b intake, 5in downpipe back diamond eye exhaust, and sinister egr delete.

Around about what numbers should I see to the ground?

How much boost will turbos hold?

Im defueling at 42psi what is a safe psi without studs?

What are some other defueling parameters to set?

What temp does egts start to get to hot?

How well does stock tranny hold up?

Should I look into trac bars?

What should ve my next few upgrades?

Should I look into custom tunes? If so which ones?

Thanks for any help im kinda new to diesels so I could use a lil help on a few things.
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Old 10-17-2013, 11:20 PM
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Stock turbos can see up to 55psi with some tunes. Defile at 42 is safe, I have mine set for 40 and I have studs but I drive like a gramps. Your stock studs honestly are luck of the draw. As far as traction bars if you have the money put them on if not and you don't have a lift its fine but never hurts. Egts I can't tell you the last time I seen over 1000 so sino e else can chime in on that one. Hope I answered some of your questions
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Old 10-18-2013, 12:54 AM
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Keep egt's below 1000 K
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Old 10-18-2013, 08:32 AM
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Well I know keep you egts under or around 1000 but at what point do you want to let out when your at WoT?
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Old 10-18-2013, 11:45 AM
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These 6.4 can take a lot of heat I heard stories on here of 1600 to even 1700 one time. At a wot run you should see around 1300-1500 depending on exhaust and intake/ other mods. As long as you are only holding it at those temps for a second or two it should be fine. This is just going g off things I see and hear around here. I didn't realize how much I baby my truck till yesterday had throttle % on mini maxx display and thought I was being a bit hard on my truck yet it didn't go over 50% Haha. I had a bad summer last year getting head gaskets done twice and turbos once. 13g later I'm clearly a bit paranoid
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Old 10-18-2013, 12:32 PM
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Quote:
Originally Posted by 08powerstrokef250 View Post
Well I know keep you egts under or around 1000 but at what point do you want to let out when your at WoT?
1000 K or 1340 F or 727 C is the critical temperature of mild steel....
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Old 10-18-2013, 02:06 PM
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Can anyone tell me about the stock tranny? And custom tunes?
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