 Boxster Calipers with 15" Wheels, ? |
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| mmascari |
 Dec 29 2017, 10:29 AM
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Member  Group: Members Posts: 322 Joined: 1-September 14 From: Concord, CA Member No.: 17,850 Region Association: None  |
My car currently has Boxster calipers front and rear and I am running Boxster wheels. I like the look of 15" Fuchs so I am looking at the Maxilite 15x6 wheels. Anyone out there running Boxster calipers with 15" wheels? Just wondering if they fit. I don't know anyone that has a 15" wheel to test. Thanks.
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| Retroracer |
Dec 29 2017, 11:31 AM
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#2
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Senior Member Group: Members Posts: 654 Joined: 7-July 13 From: Bend OR Member No.: 16,100 Region Association: Pacific Northwest 
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I run 7x15" (fake) Fuchs with Boxster calipers with no issues. You can think about potential clearance issues in 2 ways / axes: 1) the radial clearance (i.e. radially to the inner curved surface of the wheel well) and 2) the offset clearance (to the rear face and contours of the wheel center).
Given early (non S) Boxster calipers were designed to fit under 15" wheels, and the fact that most mounting adapters are aiming to place them so they can use 86-88 Carrera rotors (as Nathan points out), radial clearance (issue 1) is not usually a problem. No doubt there are some 15" rims somewhere in the world that prove this wrong, but with my rims there looks to be a 10mm radial clearance between caliper and wheel. The offset clearance is where you have to focus. Different rims and offsets, in combination with hub depth chosen (think there are a few variants from Porsche?) can absolutely give clearance issues. I run a lot of wheel spacer to fill out the GT fenders (obviously helping caliper clearance), but on a narrow body car this is restricted. Anyway, so to the OP's question: I am over on the Peninsula - PM me if you want to meet sometime and test fit on your car. I have a 6x15" (real) Fuch as a spare we can try. - Tony |
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| mmascari |
Dec 29 2017, 11:41 AM
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#3
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Member Group: Members Posts: 322 Joined: 1-September 14 From: Concord, CA Member No.: 17,850 Region Association: None |
QUOTE(Retroracer @ Dec 29 2017, 09:31 AM)  I run 7x15" (fake) Fuchs with Boxster calipers with no issues. You can think about potential clearance issues in 2 ways / axes: 1) the radial clearance (i.e. radially to the inner curved surface of the wheel well) and 2) the offset clearance (to the rear face and contours of the wheel center). Given early (non S) Boxster calipers were designed to fit under 15" wheels, and the fact that most mounting adapters are aiming to place them so they can use 86-88 Carrera rotors (as Nathan points out), radial clearance (issue 1) is not usually a problem. No doubt there are some 15" rims somewhere in the world that prove this wrong, but with my rims there looks to be a 10mm radial clearance between caliper and wheel. The offset clearance is where you have to focus. Different rims and offsets, in combination with hub depth chosen (think there are a few variants from Porsche?) can absolutely give clearance issues. I run a lot of wheel spacer to fill out the GT fenders (obviously helping caliper clearance), but on a narrow body car this is restricted. Anyway, so to the OP's question: I am over on the Peninsula - PM me if you want to meet sometime and test fit on your car. I have a 6x15" (real) Fuch as a spare we can try. - Tony Cool, thanks Tony. That makes sense. |
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Posts in this topic
mmascari Boxster Calipers with 15" Wheels Dec 29 2017, 10:29 AM
JmuRiz What rotors are you running? That's a key fac... Dec 29 2017, 10:43 AM
mmascari
What rotors are you running? That's a key fa... Dec 29 2017, 10:57 AM Mueller You might have to make a template and share it so ... Dec 29 2017, 10:51 AM mepstein They fit real fuchs but not all fakes are the same... Dec 29 2017, 11:50 AM mmascari
They fit real fuchs but not all fakes are the sam... Dec 29 2017, 12:32 PM mmascari
They fit real fuchs but not all fakes are the sam... Dec 29 2017, 12:33 PM Mueller
They fit real fuchs but not all fakes are the sa... Dec 29 2017, 01:01 PM SirAndy My car currently has Boxster calipers front and re... Dec 29 2017, 12:56 PM |
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