Spend a little or wait? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 2 Old 06-17-2014, 07:26 PM Thread Starter
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Spend a little or wait?

Alright guys Im running a sump, to a 6.4 pump, feeding my stock pump up to a sinister diesel RR kit. When I had stock injectors I was dropping down to 40-45 psi at wot until the torque converter locked up. Then it rose back up. This was also after replacing the actual pump on the 6.0 HFCM. Well now that I have 205/100's its dropping to like 20psi. So here's what Im thinking...the 6.4 pump I bought at around 70-80K miles on it when I bought it...maybe it has a weak pump? Should I spend $150 on a new replacement pump for it or wait a while and get an Airdog 150 and put it where the 6.4 pump is. All the filters on the system are good. Changed not long ago. I've got the RR set at about 65psi right now. What do yall think? Thanks!

06 F-250:
Custom tunes
5" exhaust
HD y-pipe
Banks elbow
AFE stage 2xp
zoodad mod
Harpoon mod
420s on 20x12
2.5" leveling kit
4" rear blocks
68mm KC Turbo
OEM gaskets
6.4 lift pump
upgraded stc fitting
Cat ELC,
coolant filter
EGR delete
Reman tranny 126,xxx

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post #2 of 2 Old 06-18-2014, 02:30 AM
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I don't think the 6.4 is the end a be all like some say . An a1000 is the buy once cry once solution.
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