02-25-2015, 12:25 AM
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#2
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Senior Member
Join Date: Mar 2012
Age: 40
Posts: 238
Rep Power: 13
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Wow I have been away from the forum for a very long time too! That van has the LBZ motor. Best Duramax made IMO. Gotta get it tuned. You already have a liftpump on that van so stock trans tuning will put you at 425-450 rwhp. If you tune it you might want to get a FPRV (fuel pressure relief valve) shim kit.
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2001 GMC Sierra 2500HD CCSB 4x4 Duramax/Allison
EFI Live/ DSP5 "MAX EFFORT" thanks to Rob Coddens
Built Trans, Bank's Ram Air Intake, Big Head Wastegate, Banks Intercooler, PPE Boost Valve, Ported Intake Horn, Shimmed FPRV, FASS 150 Lift Pump, 40 overs, Optima RedTops,
20" Forged Alluminum WELD's 33's Nitto Trail Grapplers
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