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Old 04-07-2012, 10:11 PM   #1
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Why 50hp 110tq loss on the dyno?

Last time up on the dyno I was right at 470/940. Today didn't go so good at all. I was 425/826 today... I'm going to check the lift pump pressure and change the fuel filter.

Only differences was an updated program on my Smarty. Same dyno, similar air temp, same everything else. Boost pressure was normal. And water meth that showed zero power gain. Something wrong there but that is another thread.



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Personal/ work truck - 05 Dually 4x4 CC. High Gear NV5600. Fast PTO coolers. SDD3250. DDP 50hp injectors. Mad Smarty S-06 Revo. Fass 95. Snow Performance Tow-Max. Quadz boost fooler. AutoMeter. BHAF. 5" stacks. Firestone bags. B&W TOB. PacBrake eng brk. - other trucks in the shop yard - 03, 01, 99, 97, 92 w/ 45K original miles. *Thanks rebal for keeping them running!*
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Old 04-09-2012, 10:40 PM   #2
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Having worse problems. Truck is loosing power. It will build boost but is not getting fuel. It won't smoke at all. I'm thinking the fuel pump is gone. Might be getting a Fass.
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Old 04-09-2012, 11:49 PM   #3
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when i lost power and wasnt getting any smoke it ended up being my OFV. yes i know it a different pump and motor but esentially itwasnt getting fuel. new ofv and a lift pump, the latter perhaps not even being necesary fixed that.
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Old 04-09-2012, 11:49 PM
 
 
 
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