chipped 95 CTD???
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Joined: Dec 2007
Posts: 301
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From: S. Oregon
No, you got me all excited. That is an AFC spring which controls low boost situations, it has nothing to do with how high you engine will rev. A stock spring will only allow so much travel so that is why companies have softer springs to finer tune your truck where you want it.
Nick
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Mar 21, 2006 10:34 AM
nicholashang87
3rd Gen High Performance and Accessories (5.9L Only)
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