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4x100 Big Brake Kit Upgrade
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4x100 Big Brake Kit Upgrade
Last edited by grapedrink; 12-10-2005, 06:21 PM.
Originally posted by DaveCNWelcome.
Your car is a piece of shit.
Most of them here are, too.Tags: None
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UUC- went the cheep way on calipers = over priced
Unofficalbmw- is for the guy that doesn't have any $$
Movit = Gold = best bang
RPI- some good reviews but suposidly sold their last kit 6 months ago
Rally design- Budget, probably the same area as UUC
Comp- making my rotors
Apex- Doesn't look that bad for the $$. Would rather try these than UUC.
IE- They sure like to take the cars on the track. Don't like the calipers though.Last edited by grapedrink; 12-10-2005, 06:22 PM.
Originally posted by DaveCNWelcome.
Your car is a piece of shit.
Most of them here are, too.
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I've got RPI Equipped's Wilwood kit. When I bought it, it was only $795 USD, and has now gone up $200 USD. RPIs service was excellent.
For the money I paid, I think they are great. Definitely feel they are a good step up from OEM (plus they are 1.3kg lighter than OEM per side). The brackets and hats are very well made. With the price hike however, I think I'd consider something like Ireland Engineering's kit. Also, the spokes of Alpina and Schnitzer 16" wheels fowl on the calliper with the RPI kit...a friend had to get ~3mm spacers made for his car when he got the RPI kit.
My first gripe is that RPI advertises the rotors as being .87" (22mm) wide...however they are only 20.6mm wide.
Second gripe is that I've managed to warp the rotors, and had to have them machined. Apparently warping is fairly common with Wilwood rotors. I've read that they are not particularly well heat-treated by Wilwood, and that I may need to machine them once or twice before they settle down. While that sounds bad, considering something like AP rotors are still far more expensive, machining them is cheap and so it's a price compromise I guess. I'm not overly worried about it at this stage.
I spoke to Wilwood about the warping, and they said the SRP rotors RPI supplied are not really suitable for my application, and that their GT series rotors are more robust...so when it comes time to replace them, I'll try the GT series.
Another thing to keep in mind is the callipers used in this kit do not have dust seals on the pistons (I knew this before buying, and I don't think it's a really big deal...rebuild kits are cheap) and so will probably wear faster than OEM or a big name calliper.
Finally, some things worth knowing about aftermarket brake kits in general is that they will in most cases use a solid mount multi-piston calliper, and solid mount rotor (even AP say for road kits it's easier not to have floating rotors). This means things like warping and DVT (disc variational thickness) show up VERY easily through the brake pedal or steering wheel. I like the Ireland Engineering kit for the reason it uses floating callipers. Also, a lot of the aftermarket kits use components meant for race cars (i.e. something not driven a lot, and where high maintenance is not a big deal). So don't be too surprised if they are a little more maintenance than OEM.
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