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05-15-2008, 10:47 AM
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#1
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Registered Member
Join Date: Apr 2007
Posts: 336
Country: United States
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lightweight wheel question?
i recently got 2 vx rims, and put them at the front, since my civic is a fwd car.
on the back i got the 13' steelies that weigh about 5 pounds more each. does the rear matter as much as the front since its a fwd car? im thinking that the unsprung weight matters most at where the car is powered at. if adding vx rims to the back will make a huge difference such as the front, i will get 2 more vx rims.
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05-15-2008, 10:51 AM
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#2
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Registered Member
Join Date: Feb 2008
Posts: 1,652
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Might get tail happy on uneven surfaces. Ultimately though, the motor drives all 4 wheels, so you're probably getting half the benefit.
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I remember The RoadWarrior..To understand who he was, you have to go back to another time..the world was powered by the black fuel & the desert sprouted great cities..Gone now, swept away..two mighty warrior tribes went to war & touched off a blaze which engulfed them all. Without fuel, they were nothing..thundering machines sputtered & stopped..Only those mobile enough to scavenge, brutal enough to pillage would survive. The gangs took over the highways, ready to wage war for a tank of juice
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05-15-2008, 10:53 AM
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#3
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Registered Member
Join Date: May 2008
Posts: 211
Country: United States
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Sprung vs unsprung only makes a difference to handling/ride, not to acceleration or fuel economy.
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94 Altima 5 spd.. Stock.. 29 mpg combined with basic hypermiling techniques ..
89 Yamaha FZR400 Crotch rocket, semi naked with only the bikini fairing, no lowers, 60 plus mpg
87 Ranger 2.3 5spd.. Does not currently run..
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05-15-2008, 10:58 AM
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#4
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Registered Member
Join Date: Apr 2007
Posts: 336
Country: United States
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I heard somewhere that every pound saved in the wheels is about 10 pounds saved at the car
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05-15-2008, 11:22 AM
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#5
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Registered Member
Join Date: Apr 2008
Posts: 6,624
Country: United States
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Quote:
Originally Posted by civic94
I heard somewhere that every pound saved in the wheels is about 10 pounds saved at the car
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Similar statements are made about rotating mass on bicycles, but proper theory, experimentation, and measurements prove that it's not true.
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05-15-2008, 04:53 PM
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#6
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Registered Member
Join Date: Oct 2007
Posts: 68
Country: United States
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Quote:
Originally Posted by civic94
I heard somewhere that every pound saved in the wheels is about 10 pounds saved at the car
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It is more beneficial to reduce rotating mass, but how much more beneficial varies from case to case.
Excluding handling & ride, your two lightweight wheels will have the same effect on the front or rear.
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05-15-2008, 05:07 PM
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#7
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Registered Member
Join Date: Apr 2007
Posts: 336
Country: United States
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Quote:
Originally Posted by landon
It is more beneficial to reduce rotating mass, but how much more beneficial varies from case to case.
Excluding handling & ride, your two lightweight wheels will have the same effect on the front or rear.
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got it.. im going to search for 2 more vx wheels. after switching from my normal 15 pound steelies to vx's in the front, i now can accelerate from 3rd gear at under 10 mph, without bogging. what a difference.....
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05-15-2008, 05:13 PM
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#8
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Registered Member
Join Date: Jun 2007
Posts: 358
Country: United States
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Hmm, I would think putting light wheels on the powered wheels would be alot more beneficial than putting them on the non-powered wheels.
Heavy wheels would need more "umpf" to get spinning, whereas the rears are just trailing along..
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05-15-2008, 05:32 PM
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#9
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Registered Member
Join Date: May 2008
Posts: 211
Country: United States
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Quote:
Originally Posted by baddog671
Heavy wheels would need more "umpf" to get spinning, whereas the rears are just trailing along..
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In both cases it is the engine doing the spinning.
It does not matter front or rear, seriously.
__________________
94 Altima 5 spd.. Stock.. 29 mpg combined with basic hypermiling techniques ..
89 Yamaha FZR400 Crotch rocket, semi naked with only the bikini fairing, no lowers, 60 plus mpg
87 Ranger 2.3 5spd.. Does not currently run..
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05-15-2008, 05:50 PM
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#10
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Registered Member
Join Date: Feb 2008
Posts: 1,652
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Unless you just want to do burnouts.
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I remember The RoadWarrior..To understand who he was, you have to go back to another time..the world was powered by the black fuel & the desert sprouted great cities..Gone now, swept away..two mighty warrior tribes went to war & touched off a blaze which engulfed them all. Without fuel, they were nothing..thundering machines sputtered & stopped..Only those mobile enough to scavenge, brutal enough to pillage would survive. The gangs took over the highways, ready to wage war for a tank of juice
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