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Old 06-16-2011, 07:31 PM   #21
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I have a set of 13x8 Rota RBs that I use for autocross, so I can tell you they DO fit over the 1.8 brake caliper. It's close - you can't have any wheel weights on the inside of the wheel or they will contact the caliper, but I just took them off.
you are the man....... thank you for that information!!! 1.8 brakes it is!

now i gotta find some 1.8 caliper brackets for cheap,
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Old 06-16-2011, 07:33 PM   #22
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I have a set of 13x8 Rota RBs that I use for autocross, so I can tell you they DO fit over the 1.8 brake caliper. It's close - you can't have any wheel weights on the inside of the wheel or they will contact the caliper, but I just took them off.
actually wait a sec, dont you use 1.6 brake calipers but 1.8 brackets? is there a difference in size between the 1.6 and 1.8 brake calipers?
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Old 06-16-2011, 11:27 PM   #23
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actually wait a sec, dont you use 1.6 brake calipers but 1.8 brackets? is there a difference in size between the 1.6 and 1.8 brake calipers?
Yes, you use 1.6 calipers with the 1.8 caliper brackets. I THINK the fingers on the front side of the calipers, opposite the piston, are slightly longer on the 1.8 version, eliminating part of the problematic pad taper, although don't quote me on that. For the street, 1.6 calipers work great, for the track, I believe the 1.8s are better, although you should just upgrade to a wilwood setup so you stop wasting money on pads.
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Old 06-17-2011, 07:48 PM   #24
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Yes, you use 1.6 calipers with the 1.8 caliper brackets. I THINK the fingers on the front side of the calipers, opposite the piston, are slightly longer on the 1.8 version, eliminating part of the problematic pad taper, although don't quote me on that. For the street, 1.6 calipers work great, for the track, I believe the 1.8s are better, although you should just upgrade to a wilwood setup so you stop wasting money on pads.
So pretty much what im getting from this is to do the 1.8 brake swap properly, you would need 1.8 calipers and brackets to prevent pad taper, and from your discription if the 1.6 calipers fit under rota rb wheels the 1.8 calipers should to because they are bigger in parts that doesnt affect the fitment of a wheel?

i would definatly run wilwood's if i had the rims and tires for it.
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Old 06-18-2011, 01:38 AM   #25
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No, you don't need the 1.8 calipers to do it "properly". Many of us run just great with 1.6 calipers. You're going to get pad taper with either caliper if/when you track it. There's a theory going around that 1.8 calipers will have SLIGHTLY less taper.
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Old 06-18-2011, 06:25 AM   #26
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Anyone know why the 1.8 brakes are better apart from thermal capacity?

Dann
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Old 06-18-2011, 07:29 AM   #27
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Bigger discs = more braking torque. They also don't look like bottle caps.
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Old 06-20-2011, 07:58 PM   #28
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Bigger discs = more braking torque. They also don't look like bottle caps.
hahahahahahaha
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Old 06-21-2011, 03:43 AM   #29
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Nice addition. thanks.

Dann
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