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Question for Keefe re: weight reduction (might get modded into wheels - n - tires)


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depends on how large you are going up to.. the MAJOR difference is running a set of SSR Competition Rims (12.5 lbs each) in 17"x7.5" +50mm offset and a set of 225/45/17 Toyo T1-S or something similar in weight (20 lbs). If you want to rip through the first 3 gears, this is the way to go (AND you get to have 2nd gear top out at 61 mph, better than 58mph, so your 0-60 times will be that much better, less of a need to shift to hit 60 mph).

 

Stock is said to be 43 lbs +/- 1lbs. The setup above is around 32 lbs +/- 1lbs.. so we are looking at a 11 lbs difference but with the same tire diameter. 11 lbs off the wheels is like a new animal of a car!

 

If you are goinig bigger or wider than that, let me know, so I can come up with more specific scenarios.

 

Keefe

Keefe
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You could probably also get a nice performance gain from a good set of tires on the existing rims. I would think at least.

 

However, 11lbs off each wheel, times 4 wheels -- thats a lot less mass to get moving. Probably not cheap to go that route either.

 

Stupid inertia.

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Thanks Keefe - Looks like SSR Comps & a set of new sneakers'll set you back about $2,200+. If I was prying out the plastic I'd have to think long and hard about whether that would happen before a set of HKS Hipermax LS Coilovers.

 

BTW - I think I've noticed you advocating +0-ing to 225 a couple times - I assume you make your sidewalls earn their keep - any sacrifices with the extra hight?

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Thanks Keefe - Looks like SSR Comps & a set of new sneakers'll set you back about $2,200+. If I was prying out the plastic I'd have to think long and hard about whether that would happen before a set of HKS Hipermax LS Coilovers.

 

BTW - I think I've noticed you advocating +0-ing to 225 a couple times - I assume you make your sidewalls earn their keep - any sacrifices with the extra hight?

 

 

I managed to get my set of SSRs for a lot cheaper than that with a set of Falken 225/45/17 RT-215s tires to go with them (even without the help of wheel sponsorship factored into the price).

 

The Falken sidewalls are super stiff and they give me all the feed back I want in a crisp manner. I see no sacrifice in the extra height as my car can stay in 2nd gear longer for autocrossing. If you opt to get a set of Toyo T1-S, you'll definitely feel the difference over stock since the T1-S are about 4 to 5 lbs lighter than the Falken Azenis. The sidewalls aren't as stiff, but the dry grip is up there and the rain traction on the T1-S is a lot better as the tread wears down. Falken Azenis are cheaper though.

 

Your choice.

 

 

Keefe

Keefe
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http://www.wheelspecs.com/main/index.php

 

All the online vendors know exactly how much their products weigh - after all, they ship them to you. Try giving them a ring or sending an email - my experience is that they are more than happy to help answer all your questions.

 

You might also try luke@tirerack.com - he is on the NASIOC boards alot and is very familiar with Subaru's.

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Found this site to be helpful in understanding, things like PCD, ET, SW. It also includes a rim width and tire size calculator to enable you to see what's in the realm of the possible when you want to go up or down in size. http://www.rochfordtyres.co.uk/fitmentguide.asp.

 

It's a UK site so there's some Brit-speak and spelling differences but has a lot of good info. They also have some nice wheels on there as well that are designed/fit our Subarus. Particularly liked the look of this one...

http://www.rochfordtyres.co.uk/uploads/images_products_large/655.jpg

 

SBT

- Pro amore Dei et patriam et populum -
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I haven't seen where the big online houses post tire or wheel weight - is their a single (or couple?) good refernce points? A Google just returns too much...

 

most "sellers" wont display that kind of information. The rim's manufacturer will post up the wheel weights according to size.. and for the ones that dont, well, you'll just have to email them or call them.

 

http://www.tirerack.com usually has all the specs you need for tires. Rims are another issue. You will have to chase down the rim manufacturer's website to find out the weight of the rim.

 

http://www.wheelspecs.com have links to each of the manufacturer's website.

 

If you are still stuck, let me know the rim style, size, and I can find you the info of what the weights/specs are.

 

 

Keefe

Keefe
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