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Thread: Tire height and RPM calculator

  1. #1
    Join Date
    May 2008
    Location
    Round Rock, TX
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    Tire height and RPM calculator

    It seems like people are always trying to find out which gears with what tire heights will work best for their application. Well here is a good link that I use to calculate rpms at different speeds with different gears and transmission ratios.. Hope this helps out a little.. Oh and it's super easy to use.


    Randy's Ring & Pinion. RPM Calculator.

  2. #2
    Join Date
    Aug 2004
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    Magnolia, TX
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    very nice!

  3. #3
    Join Date
    Dec 2007
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    3,501
    Go to bed!!
    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser

  4. #4
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    Quote Originally Posted by DBTBSS View Post
    Go to bed!!
    good morning??

  5. #5
    Join Date
    Dec 2007
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    Quote Originally Posted by 2k5Squirrel View Post
    good morning??
    That wasn't for you It was for the guy that was still up at 2am OUR TIME... and it wasn't cause he was working late. Watch, he won't wake up till 10am this morning now
    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser

  6. #6
    Join Date
    Aug 2004
    Location
    Magnolia, TX
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    3,273
    Quote Originally Posted by DBTBSS View Post
    That wasn't for you It was for the guy that was still up at 2am OUR TIME... and it wasn't cause he was working late. Watch, he won't wake up till 10am this morning now
    gotcha! kind of figured it was for him.

  7. #7
    Join Date
    Dec 2008
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    san antonio TX
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    nice find
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  8. #8
    Join Date
    Dec 2004
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    San Antonio, TX Area
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    Good find.
    Quote Originally Posted by DBRODS View Post
    Oh and it's super easy to use.
    This is the part I like the best.
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


  9. #9
    Join Date
    May 2009
    Location
    Plainfield, IL
    Posts
    2,042
    Tire size calculator

    is a good one for seeing JUST tire sizes. Shows differences, tells you how much your speedo will be off, etc.
    blown transmissions are about as useful as 97% of the guys on this forum

  10. #10
    Join Date
    Nov 2008
    Location
    Spring, TX
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    2,239
    I am pretty sure this isnt the first time and it wont be the last time this has been posted. MAKE THIS A STICKY!!!! We can even make this the official tire calculator post. If you find a different calculator post it here.
    Last edited by cjriojas; 06-26-2009 at 03:11 PM.
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

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