Dodge Diesel - Diesel Truck Resource Forums - Installed RAPTOR 150 Pump -- Lower boost!

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Moobesor

06-24-2009 07:06 PM

Installed RAPTOR 150 Pump -- Lower boost!

Switched out my walbro pump for a raptor 150 pump. I also installed the twin line kit for dual injection pumps.

With the walbro pump I would get 64lbs of boost.

With the Raptor pump and twin line kit I get maybe 54lbs of boost.

I increased lift pump pressure to about 30psi. Still no change.

Why the change in turbo boost? If anything I expected more.

cquestad

06-26-2009 01:39 PM

Turn the Raptor down to 20ish...maybe 25. No need for it to be up there so high.

Does it fail off much when you hammer it?

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