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12-01-2007, 09:21 AM
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#1
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Join Date: Nov 2005
Location: Edison
Posts: 7,856
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weight to rotational weight
How much weight would 4 ibs act in rotational weight?
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1984 Firebird
2000 Z28
2023 Tacoma
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12-01-2007, 09:50 AM
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#2
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Join Date: Dec 2004
Location: Galloway, NJ
Posts: 3,964
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whats the weight coming from? driveshaft, brake rotors, wheels, etc.
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1996 Camaro C/S - 2/3 Corvette Engine
Quote:
Originally Posted by BigAls87Z28
Uh yeah, after they surprized buttsecks us at Pearl Harbor?
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12-01-2007, 10:08 AM
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#3
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Join Date: Nov 2005
Location: Edison
Posts: 7,856
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Quote:
Originally Posted by Blacdout96
whats the weight coming from? driveshaft, brake rotors, wheels, etc.
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wheels
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1984 Firebird
2000 Z28
2023 Tacoma
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12-01-2007, 10:32 AM
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#4
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Mr Fantastic
Join Date: Aug 2004
Location: West Milford NJ
Posts: 7,917
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4lbs in each wheel would be a slightly noticeable difference in acceleration and braking i'd say
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Matt
B18B1 FTW
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12-01-2007, 10:55 AM
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#5
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,694
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4lbs from each wheel unsprung? general rule of thumb is 1lb of unsprung "feels" like 4lbs sprung. so 4lbs x 4 wheels x 4lb rule = ~64lbs. so i'd say it would knock off about .5 seconds in the quarter and make your car handle and stop a little worse
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-01-2007, 11:37 AM
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#6
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Join Date: Nov 2005
Location: Edison
Posts: 7,856
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you mean .05 right?
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1984 Firebird
2000 Z28
2023 Tacoma
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12-01-2007, 12:28 PM
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#7
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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do not apply information about freeing up power through weight reduction to ET's. ET is about hooking your car and taking advantage of your engines power band through proper gearing. dropping weight is about power to weight ratio and lends itself directly to trap speed and only indirectly to ET if you keep it hooked.
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12-01-2007, 01:11 PM
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#8
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,694
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Quote:
Originally Posted by NJSPEEDER
do not apply information about freeing up power through weight reduction to ET's. ET is about hooking your car and taking advantage of your engines power band through proper gearing. dropping weight is about power to weight ratio and lends itself directly to trap speed and only indirectly to ET if you keep it hooked.
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i'm sorry  it was just an approximation if all other things are held equal.
and yes matt, i meant .05 
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-01-2007, 06:40 PM
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#9
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Join Date: Feb 2006
Posts: 1,385
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we had a young guy some years back deside to take a muffler gun to his car so it would go faster - 2 days later and a 4 foot pile of stuff later all that his ticket showed was it spun leaving the line and ended up being slower, oh yea and his drivers window exploded when the door sagged hahahahhahahh he ended up junking the car, it was real funny at the time i guess you would have to been their -- jz
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