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Author
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Topic: Anyone with a supercharged 5.4
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Kyle
Gearhead Posts: 400
From: Sumner, WA
Registered: Dec 2001
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posted 12-13-2003 01:31 PM
   
I have a friend who has a Harley truck. He put a K&N filter, Diablo sport chip, and a lower blower pulley onto it, along with Bassani headers, cat-back, and mufflers. I was doing some reading about boost bypass valves and was wondering if he should consider installing one. Anyone with some expierence or knowledge about these? Thanks!
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MLariviere
Moderator Posts: 3984
From: Biddeford,Me.USA
Registered: May 99
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posted 12-14-2003 08:11 PM
I think you use those if the boost goes over a certain psi. that way,you won't be blowing out intake and head gaskets. I would do some research,since he changed a blower pulley,possibly raising the pressure.
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BlueMule
Gearhead Posts: 1463
From: Kent Island, MD USA
Registered: Sep 2002
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posted 12-16-2003 07:37 AM
The chip is enough. The boost bypass will only prevent 'boost-dump' after an over rev if the trasmission is shifted manually. Where the chip keeps all plugs firing during shifts. (That's if the Harley is rigged to shut down 2 cylinders during the 1-2 shift like the Lightning.) ------------------
-Paul 70 Mach1 351C
79 Ranchero GT
97 Expedition XLT 5.4
00 SVT f150 Lightning 4149 of 4966 Born on: 06/26/2000 'If you're not the lead dog, the view never changes.'
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