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Post by celica girl on Jul 26, 2004 11:57:05 GMT -5
Let's talk about weight reduction... some people think rims don't make a huge difference... but I was just reading a post on nc.org and here's what they said... something to consider...
Get lightweigt rims. Every one pound of rotating weight is equal to around 3-4lbs of normal weight, so if you get 15lb rims (stock is 19), you'll be saving around 48-64lbs.
Even taking out the spare is helpful.... gonna have to remember to do that next time.
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Post by swirv on Jul 26, 2004 12:27:20 GMT -5
Absolutely! It has to do with centripital motion. Basically with larger diameter rims, the forces increase towards the edges and it will also put more stress on the lug nuts.
I was comparing silver finished wheels vs. chromed wheels and the chrome alone weighs about a 1.25 lbs. more for the same size wheel. O.Z. Superleggaras are supposed to be very light.
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Post by celica girl on Jul 26, 2004 13:23:39 GMT -5
Next time I hit the track I'm going to use my 15's steelies... I have some worn out blizzacks on them... so basically they are all season tires now... I'd probably just put them on the front though. Too much work to do all 4.
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Post by DJDoubleLP on Jul 26, 2004 14:39:22 GMT -5
It would be better if you did all 4 Jackie....because you would have smaller tires on the front then on the back.....and the tires and rims on the back would weigh more....blah blah blah. You want to reduce weight and get a better time....do all 4.  Trust me....it will be worth it. |
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Post by celica girl on Jul 26, 2004 14:47:50 GMT -5
We'll see how lazy I feel before the big meet! |
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Post by Celtic Curse on Jul 26, 2004 23:59:27 GMT -5
Absolutely! It has to do with centripital motion. Basically with larger diameter rims, the forces increase towards the edges and it will also put more stress on the lug nuts. I was comparing silver finished wheels vs. chromed wheels and the chrome alone weighs about a 1.25 lbs. more for the same size wheel. O.Z. Superleggaras are supposed to be very light. The price on the OZ rimms isn't cheap  I'm going to have to do my homework before I get some. |
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Post by celica girl on Jul 27, 2004 0:00:29 GMT -5
OZ are Very expensive!!! I almost bought a used set of 18's for $1600 with rubber... but the offset wasn't right.
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Post by AKLGT on Jul 27, 2004 1:23:23 GMT -5
faultline and shibaman got some nice centerline's that are super lightweight as well. you should check those out or do a search on gvc. |
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Post by celica girl on Jul 27, 2004 8:06:35 GMT -5
SSR Competition Rims are very light as well... but also very expensive.
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Post by swirv on Jul 27, 2004 15:44:39 GMT -5
There seems to be an inverse relationship between lighter wheels and price  Maybe next time we should race first then eat ;D My friend who races competitively says that most racers use 15" wheels. Ooops, gotta go! |
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Post by DJDoubleLP on Jul 27, 2004 16:35:02 GMT -5
Why not just put your car on the Atkins diet?  |
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Post by cooltoy2000 on Jul 29, 2004 12:30:32 GMT -5
My 17's are the same weight as my stock 16"s were.
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Post by stampedevibe on Aug 7, 2004 1:37:37 GMT -5
Just remember to run on near empty! The near empty tank (compared to a full tank), could save you 60-80 pounds. We'll call the spare and the empty tank the difference between us, right Irvin? |
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Post by swirv on Aug 9, 2004 10:49:33 GMT -5
I do believe that's the difference between our times. I had 3/4 tank of gas, spare, and 2-1/2 hot dogs ;D
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Trust me....it will be worth it.
I'm going to have to do my homework before I get some.
Maybe next time we should race first then eat ;D My friend who races competitively says that most racers use 15" wheels. Ooops, gotta go!
