BigBlockFord Posted March 10, 2008 Report Share Posted March 10, 2008 What purpose does the PSI gauge have? Link to comment Share on other sites More sharing options...
Joe G Posted March 10, 2008 Report Share Posted March 10, 2008 What purpose does the PSI gauge have? Are you joking? If you're an owner, look in your manual. Or listen to the whine under the hood... that should give you a hint. Link to comment Share on other sites More sharing options...
vbalouzian Posted March 19, 2008 Report Share Posted March 19, 2008 It does however state that for the first 50 starts and the first consecutive 5-miles the boost will be off line, I gues its a break in period for the engine. Link to comment Share on other sites More sharing options...
VNMOUS1 Posted March 19, 2008 Report Share Posted March 19, 2008 What purpose does the PSI gauge have? It's the PSI of your driver's side airbag. bj Link to comment Share on other sites More sharing options...
rdragoo Posted March 19, 2008 Report Share Posted March 19, 2008 What purpose does the PSI gauge have? That's the average air pressure of all your tires combined. Link to comment Share on other sites More sharing options...
phr3121 Posted March 19, 2008 Report Share Posted March 19, 2008 :rolleyes: The purpose of the PSI gauge is to measure the boost of the supercharger. The stock Eaton R122 roots-type supercharger in the Shelby GT500 will generate 8.5 psi of boost! Even though the factory PSI gauge goes to 15, the needle should stop at 9. Link to comment Share on other sites More sharing options...
BigBlockFord Posted March 19, 2008 Author Report Share Posted March 19, 2008 :rolleyes: The purpose of the PSI gauge is to measure the boost of the supercharger. The stock Eaton R122 roots-type supercharger in the Shelby GT500 will generate 8.5 psi of boost! Even though the factory PSI gauge goes to 15, the needle should stop at 9. In other words, it's just a "widget" that serves no physical purpose. Link to comment Share on other sites More sharing options...
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