Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

Do I need bigger injectors

Old 07-28-2008, 11:50 AM
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Do I need bigger injectors

I had a bigger turbo installed last weekend and I still only get 20 pounds of boost! Could it be a boost leak?
Old 07-28-2008, 01:26 PM
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if you want more boost you will need more fuel.by going bigger with your turbo all you are doing is flowing air more efficiantly. with more fuel you will need more air aka boost. when i had just a box and turbo i was seeing 28 psi now with everything in my sig i hit 40. hope that helps a little
Old 07-28-2008, 08:11 PM
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Do you have a j-hook or turnbuckle on the wastegate? If not that is your problem. Stock the WG opens at 18 psi and your EJA is fueling past the 18 psi mark to 20 with the fuel.

Edit
You just put on a new turbo but still check on the WG.
Old 07-29-2008, 07:16 AM
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i have no waste gate.
Old 07-29-2008, 07:51 AM
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Check for leaks. Pressurize the intake and any leaks will become readily apparent. I use a 4" pvc cap, a cac hose, and an valve stem to check for leaks.
Old 07-29-2008, 09:19 AM
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i will give it a try. thanks.
Old 07-30-2008, 01:58 PM
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i still think you should get injectors either way lol
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