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Fuel System, Air, Exhaust, & Emissions Upgrades Discuss upgrades to the Duramax fuel system and air system. Bigger turbochargers, more turbo chargers, air boxes, exhaust systems, emissions systems, and fuel pumps all go here.

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Old 11-30-2011, 06:52 PM   #1 (permalink)
budman
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stock cp4 vs 42% more flow

o2 duramax --superchips programmer and k&n filter
fixing to replace cp3 with new one
does anyone know if buying one with higher flow rate will cause any problems--now or down the road aways

looking at 42% increase-for future upgrades
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Old 12-01-2011, 08:32 PM   #2 (permalink)
79289chase
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I am wondering the same thing. I was looking into new pumps since mine may be getting tired in its old age. I am wanting EFI but for now it's not in the budget so my PPE and EDGE combo is going to have to stay.

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Old 12-01-2011, 10:16 PM   #3 (permalink)
TheBac
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No experience with a modded pump on my truck, but have read threads over the past year telling that the longevity of the modded pumps isnt the best.
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Old 12-01-2011, 10:18 PM   #4 (permalink)
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Moved to Fuel System, Air, Exhaust, & Emissions Upgrades
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Old 12-04-2011, 02:52 PM   #5 (permalink)
budman
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thanks--if i hear anything useful i'll holler
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Old 12-04-2011, 02:53 PM   #6 (permalink)
budman
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thanks-had'nt heard that
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Old 12-04-2011, 02:56 PM   #7 (permalink)
budman
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so true tom"bbt"---also "muss is cause muss aint dont sound right"--or in the words of "confucious"---Man who stand on corner with hands in pockets-not feel stupid--feel nuts!!!
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Old 12-04-2011, 03:25 PM   #8 (permalink)
skidoorider600
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Wish I had more time with mine but so far it hasn't skipped a beat. Idk how modding these pumps affects the internal parts but seeing that they make a 200% over pump now I would think longevity of a 42% pump is not a large concern of the manufacturers unless they have no regard for offering good products that last
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