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Old 01-11-2004, 02:27 AM   #1
SupraScooby
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05 WRB STi
04 AW STi GT30R [RIP]

Default Forged, semi-forged or cast

whats the difference...is one better than the other?
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Old 01-11-2004, 04:25 AM   #2
KoneKiller
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Forged is better than semi-forged which is much better than cast in most cases.
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Old 01-11-2004, 04:30 AM   #3
ripvw
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check out this thread from The Tire Rack:

http://www.tirerack.com/wheels/tech/construc.htm

In general, it goes like this:
gravity cast (Sport Edition): ok, cheapest, weakest and therfore usually heaviest
low pressure cast (ASA, OZ): good, can still be cheap, stronger and therefore lighter
higher-pressure cast (BBS), spun-rim (Shuk), rim-rolled (Enkei), flow-formed (Speedline/Prodrive): better, not cheap, stronger and lighter still
semi-solid forging (SSR): mo' better, very light, strong, mo' money
fully forged (BBS, Rays/Volk): best, very light, very strong, very expensive

Most manufacturers use LP casting for the majority of their wheels and save the exotic technology for their more expensive designs. You can also look for technologies such as shot-peening and heat treating that increase the wheels strength without adding weight

Visit Tire Rack's site, go shop for wheels, and after you pick a wheel click on the View Closeup button on the left side of the screen. You'll usually see the wheel's weight, offset, and method of construction - all recent updates to an already great website.

Remember the rule: cheap, light, strong - pick any two.
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Old 01-11-2004, 11:13 AM   #4
SupraScooby
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any one know if the advan RGs are forged or semi?
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Old 01-11-2004, 03:42 PM   #5
peepshow
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IIRC, all Advan wheels are cast. Now, which casting method they use, I don't have a clue. My guess would be high-pressure cast or rim rolled. They are a high quality wheel, I haven't heard of anyone complaining about their strength. However, they are PRICEY, so for the same price you could get a forged wheel. It's up to your personal preference.

- Trent
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Old 01-12-2004, 03:49 AM   #6
rota wheels wrx
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Advan wheels are mostly made by Enkei using a gravity casting method.

I don't know if they have switched suppliers recently
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Old 01-12-2004, 06:17 PM   #7
bosti
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what is the best price i will likely see for the 1. bbs, 2. volk/ray, 3. ssr? for the sti in a 17X7.5. what is the right offset?
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