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lightning boost bypass vavle replacement

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Old 02-18-2005, 06:07 PM
homer4111 homer4111 is offline
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lightning boost bypass vavle replacement

my bypass valve cracked. the dealer say you have to buy the complete supercharger to get the vacuum valve. this is nuts anyone have a solution thanks keith
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Old 02-19-2005, 06:38 PM
homer4111 homer4111 is offline
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no one? i guess i could epoxy the plastic nipple back in the housing
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Old 02-21-2005, 07:44 PM
Rainman15 Rainman15 is offline
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That is one of the craziest things I've heard in all the years I've been surfing these L boards. How the hell did you crack that thing? If Ford doesn't show that piece as a seperate part # then it sounds like you are screwed cause finding a used one is pretty much impossible. These things get stripped almost before they hit the ground in a bone yard. Anything engine related on a wrecked L is normally sold with the engine.

Couldn't you just bypass it?

Last edited by Rainman15; 02-21-2005 at 07:46 PM.
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Old 02-22-2005, 06:29 PM
homer4111 homer4111 is offline
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the only thing that broke off was the nipple. i can fix it . and it needs to be there for when ya snap the throttle plates closed to relieve pressure and prevent damage to rotors. but this is like a choke pulloff on a carb imagine having to buy a new carb because the pull off diaphragm wasnt sold seperatly. good job ford.........
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Old 03-03-2005, 12:55 PM
R_Rider R_Rider is offline
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Try here: www.magnusonproducts.com

You'll need to talk you way to a good tech support person, but I'll bet they can get your part.
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Old 03-03-2005, 02:57 PM
Silver Streak Silver Streak is offline
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A draw through blower doesn't need the valve to prevent boost from backing up and hurting the rotors. It's there as a passive traction control system and to reduce blower load under part throttle.
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Old 03-03-2005, 06:15 PM
homer4111 homer4111 is offline
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i have a 671 on a bbc and it never hurt the rotors with no bypass. but i was under impression that bypass allows virtually no parasitic loss under no load conditions. i found a valve in mi for 45.00 so i am getting it anyway thanks
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