They don't even remotely fit.
I bought two sets, and checked them both. Neither set (both marked "Rear Brake Pad Set, 914 1.7/1.8/2.0 1970-1976") fit my new Eric Shea calipers.
They did not fit my current 914 calipers either.
Back to PP they go.
Zach
You should not have to drill new holes in brake pads in order to get them to work. I'm cool with modifying lots of things, but I really don't think its a good idea to be modifying the pads that stop your car. For all I know, drilling that ear could cause it to overheat and fail. At best, that would lead to dragging pads.
Zach
That is one of those typical things on cheap pads. The backing plates are poorly punched and the crappy black coating that they have globbed on them keep them from easily fitting into the calipers.
I use a flap disc to clean up both sides of the backing plates (just enough to make them fit into the caliper). I never have to do more than a basic clean up.
Drilling one of the holes to fit the one large pin on 914-rear calipers is typical as well. Those same pads are used in more than just 914 rear calipers and most don't have the one larger pin.
I never had an overheating problem with a stock car using stock rear calipers and cleaned up rear pads.
They're WAY cheap pads. I don't use them. Not because of the holes... just because they're junk
They are for early 911 rears. That's why they're not drilled out.
I love the new PBR ceramics but, they don't come in the 914 106 configuration either so... I take the 102's and drill them for the customers on my press before I send them out. I've ordered all of the 914 pad sizes. When these come in I'm going to announce it as they're my new favorite pad.
You can drill those if you want to save time. The problem is, a standard bit isn't going to do a complete job. Use a 5/16 and you'll be close to the 8mm you need. Then use a rat tail to clean them up. Test fit with the large pin and then paint with some enamel.
-or-
Get PBR's 106R (they're drilled properly) for regular street driving. Good all around pad.
For what it's worth, the Ferodos from 30 years ago also had to be drilled to fit. I think they just figured it was easy enough to do, so they used the early 911 pads.
The difference between the 911 pads and the 914 pads is the hole, not the pad material. Cheap, not cheap, they're all that way. I've been drilling 'em and saving my customers big bux for 30 years. I'm surprised you can even buy 914 specific rear pads any more. If you can, they're probably NOS, and the old, outdated, old technology, crap linings. The Cap'n
I've drilled Porterfield pads for the rear also. That 914 stopped like it was hitting a wall.
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