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Author
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Topic: Question about load ratings on wheels and launching?
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Dubz
Gearhead Posts: 1718
From: Manitoba Canada
Registered: Oct 2002
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posted 11-19-2004 02:42 AM
   
Ok, found the keystone wheels i had will rub on the back if i go over a bump, they sit out way too far with a 2.5" backspacing compared to the stock 4", and the rims are an inch wider too.Anyway, i'm looking at new wheels, now my car being a heavier car i'm concerned about load ratings, and what they meen. I was wondering in a drag racing application where there is good weight transfer, enough to unload the front and lift the tires off the ground, if this would excede the load rating capacity. Or is load rating a static rating, and not and instantanious (sp?) rating. here's the prob, car weighs say 3800lbs, wheels rated at 1200lbs each, so between the two rears would be 2400lbs, quite a peice shy of cars weight. Even without lifting the front off the ground it could be enough of a transfer to break the wheels if it's an instant rating.
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Moneymaker
Administrator Posts: 25883
From: Lyons, IL, USA
Registered: May 99
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posted 11-19-2004 11:10 AM
1200 x 4 = 4800Unless your car only has two wheels, you shouldn't have a problem.
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Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA & SS/MA National Record Holder '00,'01,'02,'03,& '04
First SS/MA in the TENS!
IHRA division 5 Superstock Champion
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28 The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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Dubz
Gearhead Posts: 1718
From: Manitoba Canada
Registered: Oct 2002
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posted 11-19-2004 02:04 PM
wheels up as your car does, it only has 2 wheels right?
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n2oMike
Gearhead Posts: 2419
From: Spencer, WV
Registered: Jan 2001
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posted 11-19-2004 03:38 PM
Does you car have that same 'problem' as Alex's car???  ------------------
Mike Burch
66 mustang real street
302 4-speed 289 heads
10.63 @ 129.3
http://www.geocities.com/carbedstangs/cmml_mburch.html
http://www.fortunecity.com/silverstone/healey/367
http://www.mustangworks.com/cgi-bin/moi-display.cgi?220
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Dubz
Gearhead Posts: 1718
From: Manitoba Canada
Registered: Oct 2002
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posted 11-19-2004 03:41 PM
i'm hoping it will, and it wouldn't even need all the weight on the rears, only 63%it's probably heavier than 63% on the front under hard braking, if not at rest. [This message has been edited by Dubz (edited 11-19-2004).]
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