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smooth's Avatar
 
Join Date: Sep 2005
Location: Isabela, Puerto Rico
Posts: 254
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3" to 3.5" caliper adapters

I purchased these from a fellow Pelican but I or he don't know how they can be used or who made them. I'm trying to mount 'A' calipers to early T struts. Any info would be greatly apreciated.


Old 06-15-2014, 05:13 PM
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Location: Santa Barbara, CA
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Have no idea if they fit or work properly but how they are intended to be mounted appears obvious in your pictures.
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jhtaylor
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74 911 coupe. 2.7 motor by Schneider Auto Santa Barbara. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's.
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Old 06-16-2014, 05:28 AM
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The 3 mounting holes of the adapters line up but the spindle mounting surface has the step where the original calipers mounted and the original ears interfere with the adapter.
Old 06-16-2014, 05:25 PM
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Possibly some machining is required?
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jhtaylor
santa barbara
74 911 coupe. 2.7 motor by Schneider Auto Santa Barbara. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's.
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Old 06-16-2014, 06:56 PM
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it works !!

I used a pair of these adaptors about 30 years ago to mount aluminum S calipers to the 911 front struts I had in my 914 hot rod.

I believe the mounting ears have to be cut off of the front strut so that the adaptor can mount flush with the flat portion of the spindle.

I had 8 inch rims with slicks and never had a problem.

Obviously, you would want to use some serious bolts and red locktight them.

I don't think I would do that now, I just can't see much strength in the mounting, using three smaller bolts in shear.

hth,
chris


Last edited by chrismorse; 06-17-2014 at 05:10 AM.. Reason: computer can't spell either..
Old 06-17-2014, 05:09 AM
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