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Brake Caliper Adapter
Hi
Has anyone used the adapters that attach to the strut housing and allow you to convert from a 3inch spacing to 3 1/2 allowing you to run larger calipers on the earlier struts. All input welcomed... Thanks ------------------
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04-13-2001, 05:47 AM
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That's interesting! I never knew an adapter was made for this application, but a clever idea. Where are you buying these from.???
S in VA |
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04-13-2001, 11:51 AM
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Adapters are pretty commonly available to put Boxster calipers on the earlier struts and rotors. But the problem is that this doesn't really imrove anything but the 'look' of the car. Having a larger rotor is a much bigger factor in cooling brakes than having a larger caliper is. Some groups are already not allowing Boxster-caliper-adapted cars in track events because of this. As has been discussed numerous times on this site and rennlist, the point of bigger brakes isn't really 'more grip,' but rather greater heat dissipation. Properly-maintained stock brakes will effectively stop any Porsche they were designed for. Track conditions, however, will cause some brakes to overheat and become less effective. Sticking with smaller rotors makes it very difficult to effectively improve your braking. To cool things down, you need bigger rotors.
------------------ Jack Olsen 1973 911 T (3.6) sunroof coupe jackolsen@mediaone.net [This message has been edited by JackOlsen (edited 04-13-2001).] |
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04-13-2001, 12:18 PM
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Right on Jack. Bigger and stickier tires are what makes the car stop quicker, especially up front. The brakes have to be able to keep up with the tires.
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04-13-2001, 12:49 PM
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Hi Jack:
What are you using to stop your car. Did you upgrade to a later strut so you could have bigger rotors and Brakes ? ------------------
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04-13-2001, 02:20 PM
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Those adapters have been available for decades from Stoddard's, though used struts seem like a better solution ... in most cases!
------------------ Warren Hall 1973 911S Targa |
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04-13-2001, 02:34 PM
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I had SC brakes in front on Boge struts. Even with the extra power and weight of the 3.6 they were 100% adequate for the street and probably 100% adequate for the track. I never, in six visits to three different tracks, had any noticeable brake fade. I use AJ-USA cooling ducts on the fronts.
I'm upgrading to Turbo calipers front and rear, now. The reason for this is because I anticipate longer sessions on the track, with harder braking as my skills improve. It may well be overkill. But with the Boge struts I have, 86 Turbo calipers are bolt-on in the front, and 1978 front rotors will fit up there with a modified hat. In the back, the Turbo calipers are welded and re-drilled for the different spacing. Turbo rotors are bolt-on, pretty much, in the back. The key to this setup is not just the larger calipers, it's the bigger Turbo rotors. The work should be done by the end of next week, and I may be trackin git as early as next weekend. I'll let everyone know how the new brakes work. ------------------ Jack Olsen 1973 911 T (3.6) sunroof coupe jackolsen@mediaone.net |
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04-13-2001, 05:06 PM
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