How do you shave 1.0s off 0-60? - Page 2
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Thread: How do you shave 1.0s off 0-60?

  1. #11
    I spend too much of my life on FST! AkiraSieghart's Avatar
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    Quote Originally Posted by 2POINT0 View Post
    I doubt you could beat them from a dig, unless they aren't the best of drivers or you have slicks or something. I've roll raced a stock 2018 Charger R/T with the 8-speed auto, no idea what mode he was in, but I walked him from a 40 roll. Power to weight.
    Try doing that again with a Scat Pack or 392. The 5.7l in the R/T just isn't enough to haul around the 4,2xx pound chassis. But yes, 40-90 MPH rolls are where the Focus ST excels at. Minimal wheel slip and enough low end torque (coupled with 3,2xx curb weight) will take out a lot of "sport" cars.

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    Keep all extra weight out of your car and even keep gas between 1/4 - 1/2 tank for your spirited runs against them. If you are planning on having a drag with them, I'd even leave the spare and jack at home. Might be able to squeak out an extra tenth better if you can drop 100lbs

    some various weights:
    https://www.focusst.org/forum/focus-...ng-weight.html
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    The OP was referring to R/T's, that's why I mentioned that, but obviously the 6.4 would be faster.
    Last edited by 2POINT0; 04-11-2019 at 01:48 PM.

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    Is it too snarky to answer "Replace ST with Mustang GT?"
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    Lighter wheels and tires. I found a 18-inch wheels that weighed about 17 pounds each. I believe it was the general gmax RS that I was looking at weighed 21 pounds. That's 12 lbs per corner of unsprung weight/ rotating Mass.I believe I read removing one pound of unsprung weight/ rotating Mass from the wheel is like lightening your car 20 pounds. If that is true that wheel and tire combination alone is like lightening your car 960lbs. I believe that's why a lot of racers use smaller Wheels due to the weight savings.

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    Quote Originally Posted by G heinrich View Post
    Lighter wheels and tires. I found a 18-inch wheels that weighed about 17 pounds each. I believe it was the general gmax RS that I was looking at weighed 21 pounds. That's 12 lbs per corner of unsprung weight/ rotating Mass.I believe I read removing one pound of unsprung weight/ rotating Mass from the wheel is like lightening your car 20 pounds. If that is true that wheel and tire combination alone is like lightening your car 960lbs. I believe that's why a lot of racers use smaller Wheels due to the weight savings.
    I don't believe it is 1:12 for that conversion...it's a little closer to 1:3 or 1:4 usually meaning if you drop 1lb per corner you essentially drop 12-16lbs total. Still, it does make a pretty substantial difference in terms of being an easy fix. Some people even say it's less...like 1:1.5...some people say it's a little higher like 1:6-1:10...definitely not in the higher double digits though unless you have absolutely PERFECT conditions...which we don't.

    Sources to support this:
    https://www.cjponyparts.com/resource...nsprung-weight
    https://suspensionspot.com/blogs/new...nsprung-weight
    Last edited by brian60; 04-15-2019 at 09:15 AM.
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