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Comments
juice the dust boots I was refering to are the boots on the caliper pistons, they are there to keep out foreign matter from getting in around the pistonsand making them stick. the lack of these boots on the four pots does not turn me on.
I am happy enough with the performance of the stock brakes I just hate the spongy pedal feel.
Cheers Pat.
-juice
Cheers Pat.
Cheers Pat.
-juice
-mike
Cheers Pat.
-mike
cheers Pat.
For the Odyssey EX, I bought their 16x6.5 steel rims and covers. This is the same size as the OEM alloy wheel, and similar to the steel wheels found on base LX models of the van. For the Outback, I bought their suggested "Sports Edition Fox 5" alloy wheel in 16x7 - a half inch wider that Subaru's OEM alloy fitment.
First to the scales: Alloy & tire = 46.5 lbs. Steel & tire = 50.5 lbs + 1.25 lbs wheel cover = 51.75 lbs. Thus the steel combo weighs a bit over 5 lbs more compared to this particular alloy style.
Circumference looked to be exactly 84". A little hard to measure with the nubs still on new tires. I used a narrow metal tape that conforms reasonably well to curved surfaces. Initial tread depth on these snows in 11/32". Out of curiosity I will have to see how that compares to the Bridgestone RE92's with 10k miles.
I noted that the tread region of tires on the 7" wheel looked visually flatter than those on 6.5", but could not verify it when attempting to make a deflection measurement. So I stacked them next to each other. With matching tire pressure:
Alloys = 37.635" (4 tires) = 9.41" each = 239mm section width
Steel = 36.50" (4 tires) = 9.125" each = 232mm section width
So adding a 1/2" to the rim (assuming the width specs given on the rims is accurate) increased the actual section width of the tire by about 5/16". If anyone remembers their calculus, I am sure they could write an expression that would explain this relationship!!!! I was surprised that both exceeded the nominal tire spec of 225mm. I am curious as to the wheel width used when making this supposedly industry standard measurement.
As you can see, my life is really dull - this is what I did for entertainment on a Friday night!!!
Steve
-mike
I bet the tire's section width is measured when it's not mounted on any rim at all.
-juice
that's the rated size of the tire. rated sizes can, and do, vary compared to the real world dimensions.
I had a set of 205/55-16 Yokohama Nexus on my RS' 16x7 rims and they were every bit as wide (tread and total section) as a set of 225/50-16 Yokohama AVS S1 I replaced them with.
-Colin
I had remembered actual section widths coming very close (sometime slightly under) posted widths. After I read your post, I went searching in my desk and found an old booklet from EuroTire, which contained some tire/wheel sizes and specifications. It was from the mid '80's before 16-18" tires were common (12-15" was the norm them). Anyhow, it listed tire section width and actual measured section width when mounted on a 'standard' rim. And their numbers pretty much matched. But what I now see, for example with 15" rims, the widths used for reference were very conservative - ie:
175/185mm = 5.0"
195/205mm = 5.5"
215/225mm = 6.0"
So given that rim specs today are wider, and maybe tire makers take more 'liberty' with their specs, and you suddenly get diverging numbers.
Steve
-juice
(Not a copyright protected image, so it should be ok)
-juice
Hey, anyone shopping for rims? Mid-A forums of i-Club has some WRX rims with tires for $300, that seems like a pretty good price.
-juice
I could use the OB 15" rims for snows since I got SP5000 all seasons for that car's WRX rims.
Jeez, Q would kill me if I rolled yet another set of rims into the garage.
My wife isn't allowed in the shed. It's the ONLY part of the house that's all mine. So I can store my rims in peace. :-)
-juice
Cheers Pat.
Juice- yea, but with the season over I might get a better price if I wait until spring....?
Found this to be a good source of performance parts for Subaru in Canada, Prices are good, even better for you folks south of the border since the Canadian dollar is worth less than 40 cents US at the minute.
They run their own rally cars, are agents for Cobb in Canada and they can get parts from anywhere, they have a good business going at the moment doing STI swaps into just about anything Subaru.
They have a Wilwood 4 pot front brake kit at the moment which will fit under the stock 16 Oem rims, calipers, mounting brackets,12.5 rotors, s.s.lines and Wilwood pads,$1200 CDN.works out pretty cheap in US funds.
I am seriously considering putting this kit on the Titan.
Cheers Pat.
back when I had a Subaru I talked to Rejean quite a lot about that kit, then it was just something that they'd done for a customer or two.
I wouldn't hesistate to buy it.
-Colin
Hang onto your OE rotors. Maybe I could convert my Forester's rear drums into discs somehow.
-juice
He also had a time finding lines at a reasonable cost, I was impressed that they will go the extra yard to have a happy customer, I would not hesitate to recommend them to anyone.
Incidently this is the dealer where I bought the Titan in the first place but was unaware that they had this performance business going as well.
I am also going with metal master pads in the rear and a change to Motul Dot 5 brake fluid, I am also installing the master cylinder brace so hopefully I will have decent brakes after this.
Cheers Pat.
I think that'll be a bit of an understatement. It'll still be a bit squishy with the dual-stage booster but I think you'll be VERY happy.
-Colin
Let us know how it goes. I'm getting close to having to replace my pads/rotors so I'm interested in how your mods turn out.
Ken
Glad to see you found the brace too.
Ken: how many miles you got now?
-juice
I'm also going to need new tires soon, too. I'm considering the SP5000s.
Ken
That's because I spread the miles, though. The Forester gets about 9k/year now, the Miata the other 6k or so.
-juice
I see the hampsters are tired today, BTW....
I do not know when I will get mine installed, it will be a couple of weeks before it is delivered.
Then I have to hope that the weather co-operates with a mild day otherwise it will be spring before I get them on, but as soon as they are on I will let you know my impressions.
Cheers Pat.
Pat: Yeah, I might just keep it stock since I don't plan on driving Raven (haven't called it that in a while!) into the ground. My guess is maybe in a year from now, I'll be looking for something new.
What about the front rotors? The brake pulsating happens only at speeds of 70+mph. Could I get by with just pad replacement?
Ken
-Frank P.
cheers Pat.
The vibration isn't real bad although I have noticed it is getting progressively worse. I do have 78K miles on my orignal pads and rotors although they're 80% highway miles so I'm leaning towards just replacing it all. I'm having a local independent mechanic find out how much more the WRX rotors would be over the stockers.
BTW, is this similar to the booster brace you purchased:
http://www.isrperformance.com/brakes.html#OTHER%20BRAKE%20BITS
How hard is the installation of one of these? The price isn't too bad.
Ken
BTW>I don't think you can just bolt on WRX rotors to your existing setup I think you would need different calper mounting brackets. the WRX rotors are an inch larger.
Cheers Pat.
Yes, you're right -- I need new mounting brackets in addition to pads and rotors. I do have 16" wheels so clearance isn't an issue.
I might be doing this on Wednesday.
Ken
http://forums.nasioc.com/forums/showthread.php?s=&threadid=241167
Ken
-juice
I'm going to be replacing the front rotors and pads on my Forester soon. The bigger WRX rotors, pads and caliper brackets are about $200 more in parts than keeping it stock.
Is it worth it?
Ken
Or no. ;-)
Thing is, it may not stop shorter, it'll just resist fade better. Do you live in a hilly area (dumb question, you're near SF!)? Do you tow?
I'd look at those questions, rather than safety.
-juice
My main concern was fade resistance (for those hills (how'd you guess?) and freeway driving) and resistance to warping.
Hmmm....
Ken
FWIW WRX front brake assemblies can be had on the board formerly known as i-club for around $200 total.