Thread: How much does a lighter wheel/tire combo help?

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  1. #1 How much does a lighter wheel/tire combo help? 
    GTX Level Member Sudden's Avatar
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    If I can drop 4 lbs off of each will I notice the difference?
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  2. #2 Re: How much does a lighter wheel/tire combo help? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    On some cars I bet you could for sure. Like a miata or something similar that is already light weight.

    But only losing 16lbs overall on a big sedan like ours isn't going to really make it noticeable.

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  3. #3 Re: How much does a lighter wheel/tire combo help? 
    GTX Level Member Sudden's Avatar
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    I didn't think it would. I have to buy a new set of wheels and tires anyway.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  4. #4 Re: How much does a lighter wheel/tire combo help? 
    GrandPrix Junkie
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    May not be "noticeable" like you are looking for, but I figure any weight that can be shed couldn't hurt.
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  5. #5 Re: How much does a lighter wheel/tire combo help? 
    GrandPrix Junkie ItHurtz's Avatar
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    16" tstars to 17" bullitts added 40lbs total, I noticed nothing of a loss, winter change back to tstars noticed no gain.
    2000 GTPT Sold-brandonhall10 built trans
    2009 Challenger SRT8
    http://www.grandprixforums.net/threa...uestion.....no
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  6. #6 Re: How much does a lighter wheel/tire combo help? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Seat of the pant's feel is where it's not likely.

    If you hot lapped it and did time trails perhaps you'd see a very very minor different. But like said, less rotational mass it has to move, the better off it is.

    Thats why guys that run trucks at the drag strip run 15's and 16's because the rims weigh 20-50lbs less than there standard 18's and 20+in rims. Like a set of 20's with 275/55/20 is nearly 90-100lbs per corner, 18's are closer to 65-70lbs.

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  7. #7 Re: How much does a lighter wheel/tire combo help? 
    I break stuff selliott's Avatar
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    ^this
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