Duramax Diesels Forum Truck of the Week
  #6016  
Old 02-14-2019, 06:21 AM
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kiwilml kiwilml is offline
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No I don't have a sump, but it don't have any problem holding 9 or 10 psi under full throttle.. I think anyway I'll have to double check that today, I normally watch other gauges in them situations lol.. But I know it doesnt go below 4 psi because I have that gauge set to go red at that point and that is very noticeable..
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2016 Chevy LML CCSB.. HSP compound turbo kit with a Stainless Diesel 5 blade S475 over stock. Exergy 10mm cp3 conversion and still on stock injectors and transmission. 5" flo-pro exhaust and then EZ Lynk tuning by PPEI. Also have a 3 pod pillar post with autometer boost,lift pump fuel pressure, and egt gauges.
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  #6017  
Old 02-14-2019, 06:28 AM
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Josh154 Josh154 is offline
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You running air dog or fass? I know my fass came with a 1/2” draw tube and the only way to hook the fass up was to drop the tank and modify the sending unit with the 1/2” tube. Something with the 15+ change or something. I have a deviant sump with return and love it, was so simple installing fass
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16 CCSB LML - UDT tuned, 5” jamo exhaust, fass titanium 165, epc fooler

08 CCSB LMM - HSP 369sxe kit, 10mm S&S cp3, built trans with suncoast 1058, supporting mods and Danville tuned
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  #6018  
Old 02-15-2019, 07:59 AM
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Dozerboy Dozerboy is offline
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I was told the pickup on the LMLs was very restricted. If you don’t do a sump the pump will make a bunch more noise and not make full power.


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  #6019  
Old 02-15-2019, 10:03 AM
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Josh154 Josh154 is offline
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Yeah I think that’s why fass doesn’t even come with a hookup for the factory pickup on the lml’s
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16 CCSB LML - UDT tuned, 5” jamo exhaust, fass titanium 165, epc fooler

08 CCSB LMM - HSP 369sxe kit, 10mm S&S cp3, built trans with suncoast 1058, supporting mods and Danville tuned
SOLD
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