Installed the blue fuel spring......
Hotshot
Joined: Jul 2005
Posts: 13,834
Likes: 25
From: Middle Tn.
The blue spring is simply a fuel press. improvement device. It usually increases the press. by 7 to 10 lbs. which your injectors will thank you for. Anything below 45 psi at wot is hard on the injectors.
Posting Guru
Joined: Jun 2012
Posts: 1,171
Likes: 2
When I had the blue spring installed, my truck ran better, started faster, was quieter (or louder, depending on your preference) towed a heavier trailer, got better fuel economy, had shinier paint, smelled like a rose garden inside, tires got all their tread back, rust on the chassis turned back into shiny paint, my roll-back tonneau cover lock worked again, and - oh yes - my fuel pressure went from 42 to 65 psi at full power...
Other that that, it was just the same...
Seriously, all that will happen is your injectors won't burn up and fail due to insufficient fuel volume. It's good to have the fuel pressure tested to verify that everything else is good.
Brian
Other that that, it was just the same...
Seriously, all that will happen is your injectors won't burn up and fail due to insufficient fuel volume. It's good to have the fuel pressure tested to verify that everything else is good.
Brian
2006 Bullet-Riddled 6.0
Joined: Sep 2011
Posts: 651
Likes: 5
From: Sac River Delta Ca.
When I had the blue spring installed, my truck ran better, started faster, was quieter (or louder, depending on your preference) towed a heavier trailer, got better fuel economy, had shinier paint, smelled like a rose garden inside, tires got all their tread back, rust on the chassis turned back into shiny paint, my roll-back tonneau cover lock worked again,
Brian
Brian
I'm hitting easy street
Joined: Nov 2009
Posts: 6,395
Likes: 27
From: Central Oregon
And a 5% increase in MPG. (learned that from an ad at the movie theater)
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FTE Legend
Joined: Jul 2005
Posts: 65,938
Likes: 1,432
From: Millersville, MD
Good luck with that!
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