no brakes after cam swap need help

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Aug 10, 2015 | 02:46 PM

eddie_opt

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From: Harlingen, Texas

no brakes after cam swap need help

hey guys did a cam swap on my 2009 4.8 219/223
now I don't have vacuum to my brake booster, what am I doing wrong or overlooking? not even sure if it was because of cam swap anyone had this happen before

Aug 10, 2015 | 05:57 PM

George C....

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From: From the 412

Typical of the 900 trucks

Aug 10, 2015 | 06:36 PM

eddie_opt

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From: Harlingen, Texas

anybody have any advice?

Aug 10, 2015 | 06:59 PM

wretched73

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I feel pretty confident that most would advise swapping to a hydroboost setup from a 2500

Aug 10, 2015 | 08:47 PM

eddie_opt

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From: Harlingen, Texas

even with that cam it requires hydroboost?

Aug 10, 2015 | 08:52 PM

George C....

Formerly ScreamingL

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From: From the 412

You can have the tuner dial in more vacuum with timing, rpm and airflow

But the 900s suck with any size cam added

Aug 10, 2015 | 09:00 PM

eddie_opt

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From: Harlingen, Texas

oh okay so its a tuning issue, I was thinking something went wrong while installing..I will get with my tuner appreciate the info

no brakes after cam swap need help

no brakes after cam swap need help

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