FrontEngineDragsters.Org Forum
Technical => Roo Man's Room => Topic started by: Guido on April 10, 2019, 07:52:39 AM
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I'm running a sbc with a little weiand 144 supercharger and just switched to alcahol. Where can I find blower restrains for these little blower?
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What is the size of the opening?
http://djsafety.com/product/14-1-blower-restraint-hardware-carbon-inj-opening/
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Single 4150
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Are you running gas or alcohol? you may be able to get around the rules: per NHRA Heritage Rule Book for Nostalgia Eliminator classes.
SUPERCHARGER
Permitted on gasoline-, racing-gasoline-, and alcohol-burning cars. Rotors must bedriven from the front; both external drive and internal gearing. Superchargerrestraintsystem meeting SFI Spec 14.1 mandatory on supercharger when alcohol is used asfuel or Roots-type 6.71 with nitromethane. Manifold burst panel mandatory.Supercharger restraint straps must be covered with a fire-resistant material. Theblower restraint straps and fuel lines must be installed such that when the restraintstraps are fully extended no load is placed on any of the fuel lines.Supercharger belt guard that protects all fuel, oil, and water lines required. Nocomposite materials in injector hat and/or scoop allowed. Composite materialsinclude but are not limited to carbon fiber, Kevlar, and weave-graphite fiber. Hat/scoopmust be nostalgic in appearance. Internal modifications permitted. Scoops limited to12.5 inches above throttle body. Air intake limited to 65 square inches. See GeneralRegulations 1:10.
http://promod.nhra.com/userfiles/file/Tech/2019%20HRHS%20Rulebook%202-28-2019.pdf
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I can machine up a top plate and then just buy the universal straps from DJ and you are done/covered. Sometimes Tech has their own Ideas, no matter what the book says
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I contacted dj they will be making plates in 4 weeks. I'll have to look into there universal straps this is all new to me. I did email our division tech and e85 falls under alcahol rules
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A universal strap is just weaved into the top plate and adjusted to the proper length, the other end affixes to the bottom brackets as normal wheras the normal restraint is sewed onto the top plate and the length is fixed
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Dreracecar I sent you a message
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did not come thru
310-768-3163 Calif
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Blower plate for Guido
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New restraint mounted with DJ adjustable straps