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Belt for ATI 918432/916652 6.780" diameter damper

Discussion in 'General Discussion' started by Dookie, Oct 15, 2009.

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  1. Oct 15, 2009 #1
    Dookie

    Dookie Foe twenny sics

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    Belt for ATI 918432/916652 6.780" 5% OD damper

    I tried doing my homework, and need a lil help.
    What size belts are yall running...will the stock length belt work okay? Does the tensioner have enough adjustment to compensate?

    6PK2070 (81.50") is stock length.
    By doing the math, i THINK i'll need a belt ~1.46" longer...and I can't find a 6PK2107, will a 6PK2105 work okay?
    Much appreciated.
     
    Last edited: Oct 15, 2009
  2. Oct 15, 2009 #2
    StevoSRT

    StevoSRT Moderator

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    good luck brudda....

    the only way I found the right belt for my car was to buy about 5 of them and try each one out lol
     
  3. Oct 15, 2009 #3
    1FST4DR

    1FST4DR Supporting Vendor

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    Dumb question,Why not call ATI?
     
  4. Oct 15, 2009 #4
    Dookie

    Dookie Foe twenny sics

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    Yeah, trying to avoid that...and being I sell belts, all i have to do is figure out what I need (or cheat off others) and be set.

    Not dumb, but I just didn't think they'd know, they sell dampers not belts...BUT, worth a try.

    I did a search on LXF and Fat Boy (Nathan :bye:) had run this set up a while back...I figured others had too, and could chime in.
     
    Last edited: Oct 15, 2009
  5. Oct 15, 2009 #5
    StevoSRT

    StevoSRT Moderator

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    Look at those gator belts...they are pretty sweet :)....the sizes seem to be a little weird though...106 "normal" seems to be shorter than 106 in gator...least thats how it was when we did the belts for the blower on my car
     
  6. Oct 15, 2009 #6
    Dookie

    Dookie Foe twenny sics

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    ATI doens't know :(
    The only info they have is for S/C applications.
     
  7. Oct 15, 2009 #7
    1FST4DR

    1FST4DR Supporting Vendor

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    Goodyear Gatorback
    Part# 4060798
    Metric Part Number - 6PK2025
    Ribs - 6
    Effective Length - 79.875
    Outside Lenght - 80.625


    You can get the belt from here: http://www.amazon.com/Goodyear-40607...6116059&sr=8-1

    Here is some numbers from my 25% under drive,Dont know if they will help

    Wll thats just plain dumb if you ask me..Call and ask me what Mopars my parts fit.I bet I know.SHit I bet I know what fords they fit on too.
     
  8. Oct 15, 2009 #8
    Dookie

    Dookie Foe twenny sics

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    Yeah, Goodyear list the 6PK2070 as 81.75" effective length, meaning i would need a 83.18" for a 1.46" increase in size...they list a 6PK2115 as 83.25" effective length...pretty damn close...If no one chimes in, i guess i may start there.
     
  9. Oct 15, 2009 #9
    1FST4DR

    1FST4DR Supporting Vendor

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    :hypno:To much fuckin math for me Kyle,Your on your own bud..Its been a long week
     
  10. Oct 15, 2009 #10
    1fastsedan

    1fastsedan Destroyer of Warranties

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    I'm not sure which ATI damper that is, but if it's the 5% overdrive one - you'll need a belt 1" longer than you had before.
     
  11. Oct 15, 2009 #11
    Dookie

    Dookie Foe twenny sics

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    lol...Thanks for trying Scott...i do math all day every day...that's no problem here...if nothing else, ill order a size above and below, then return what I don't use...just a PITA.
     
  12. Oct 15, 2009 #12
    1fastsedan

    1fastsedan Destroyer of Warranties

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    While it takes more effort, you can route a string over all the pulleys in the same route that the belt goes in and then measure it.

    That being said, I just bought 2 close to what I needed and then kept one as a spare.
     
  13. Oct 15, 2009 #13
    Dookie

    Dookie Foe twenny sics

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    I figured 1.46 by multiplying stock size (6.3125 x 3.14) and new size (6.780 x 3.14) and subtract...giving me a 82.96" or 2107mm required length. Not made...

    Fuck, now i dunno...I may get a 6PK2100, 6PK2105, and 6PK2115.

    Yeah, that would also work, but you need a motor to do it...:shifty:
     
  14. Oct 15, 2009 #14
    1FST4DR

    1FST4DR Supporting Vendor

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    Yeah but did you know 3.14 = PIE???
     
  15. Oct 15, 2009 #15
    Dookie

    Dookie Foe twenny sics

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    <best homer voice> mmmmmmm Pie. I like pecan.
     
  16. Oct 15, 2009 #16
    Dookie

    Dookie Foe twenny sics

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    TTT...

    Somebody PM Fat Boy for me and link this thread...i gotta run, double header tonight.
     
  17. Oct 16, 2009 #17
    Redfox0099

    Redfox0099 NASCAR Tech Student

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    I hope this wasn't refereeing to me..... :(



    I dug this out of my Archives

    [​IMG]


    [​IMG]

    [​IMG]

    NOW MY Questions.... should I have a different pulley than this 5% over since I have a Super Charger now???
     
    Last edited: Oct 16, 2009
  18. Oct 16, 2009 #18
    Dookie

    Dookie Foe twenny sics

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    LOL..you da man...THANKS Nathan...and hey, only a fat boy (me) can call another fat boy fat boy...nuttin but love for ya bro!

    If you want to change/lower your boost level, you can change to underdrive...but it's cheaper and more simple to just change out your blower pulley.
     
  19. Oct 16, 2009 #19
    StevoSRT

    StevoSRT Moderator

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    I have a 17% for mine....dont know if that helps lol
     
  20. Oct 16, 2009 #20
    Dookie

    Dookie Foe twenny sics

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    That's what i'm changing...going from 17% OD to 5% OD...no idea why i have the 17% to begin with, well the original person who sold it to me would be the reason i guess, and he is a complete idiot, because i never intended on S/C.
    Nathan is already pushing 18 psi i believe...17% OD would substantially increase that.
     
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