RING GAP?

Discussion in 'PSI Superchargers Tech Questions' started by prosportchoppers, Dec 26, 2004.

  1. prosportchoppers

    prosportchoppers alcohol dragster

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    HOW MUCH RING GAP ARE YOU GUYS USING WITH STAINLESS TOP RINGS. ALSO HOW MUCH ON THE SECOND RING. THANKS :confused:
     
    #1
    prosportchoppers, Dec 26, 2004
  2. Randy G.

    Randy G. Top Alcohol

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    What's the bore size and what second ring are you running? Is it for blown alky?
     
    #2
    Randy G., Dec 26, 2004
  3. Mike Canter

    Mike Canter Top Dragster
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    The new ring manufacturer's recommendation to limit ring flutter is .007 times the bore spacing for both the first and second ring
     
    #3
    Mike Canter, Dec 27, 2004
  4. hemi altered 378

    hemi altered 378 Blown Altered

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    we run a blown alky deal with a 4.375 bore. we use a .031 moly top, and a 1/16 ductile iron 2nd ring and use around .030 on top, and .026 on 2nd ring. i've never used stainless rings that much, but i know on a moly top ring you better have around .030 on a big bore if you are running it hard (high compression and high boost) otherwise the rings will butt together. call brad, or newberry they will help you with any questions you may have.
    hope this helps
    darren
     
    #4
    hemi altered 378, Dec 27, 2004
  5. prosportchoppers

    prosportchoppers alcohol dragster

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    this is an alcohol funny car motor
    526 Brad stage 5 roots blower
    4.310 bore .017 stainless top ductile iron second
    Brads guys told me today .028 gap on top
    .022 on second ring
     
    #5
    prosportchoppers, Dec 27, 2004
  6. kosky racing

    kosky racing Comp Eliminator

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    Be safe and go to .032 on top and .028 that way they should not butt if you get alittle off in the tune up. THe little extra gap will never hurt anything. Mike
     
    #6
    kosky racing, Dec 27, 2004
  7. DQUES

    DQUES Member

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    I agree with Kosky on his #'s . I use those specs and never have a problem with butting and also have great leakdown numbers .I have heard of other racers running larger gaps but if there is no butting problems why run the wider gaps ?.
     
    #7
    DQUES, Dec 27, 2004
  8. prosportchoppers

    prosportchoppers alcohol dragster

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    Thanks guys, I appreciate the info.
     
    #8
    prosportchoppers, Dec 28, 2004

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