 Interesting comparisons, In case you wanted to know |
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| 914Sixer |
 Apr 29 2006, 07:50 PM
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#1
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914 Guru  Group: Members Posts: 8,896 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region 
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A stock 914 rear caliper and a vented -6 caliper.
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| Brian Mifsud |
Apr 29 2006, 10:30 PM
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#2
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Mechanical Engineer Group: Members Posts: 981 Joined: 3-March 03 From: Penngrove, CA Member No.: 384 Region Association: None |
aside from the difference in shinyness, isn't the only difference the 1/4" spacer sitting between the halves?
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| newto914s |
Apr 29 2006, 11:37 PM
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#3
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Senior Member Group: Members Posts: 561 Joined: 16-February 04 From: Thornton, CO Member No.: 1,663 |
Good eye Brian,
if that's true, would it be possible to machine a spacer to mod stock brakes to fit vented rotors? |
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| Brando |
Apr 29 2006, 11:59 PM
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#4
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BUY MY SPARE KIDNEY!!! Group: Members Posts: 3,935 Joined: 29-August 04 From: Santa Ana, CA Member No.: 2,648 Region Association: Southern California |
I believe someone offers that kit already here on the club board.
Only issue I can imagine is the little rubber seals (o-rings?) that are NLA. |
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| McMark |
Apr 30 2006, 12:49 AM
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#5
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
The pistons on the six caliper are MUCH larger.
But yes you can put spacers into a four calipers. Search, my friend. Discussed a lot already, it has been. (IMG:style_emoticons/default/yoda.gif) |
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| John |
Apr 30 2006, 02:38 AM
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#6
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
The pad size on the /6 caliper is larger as well. I believe it is the same size as a 914-4 front pad. (same size as a 911 SC rear pad)
Spacing out the 4-cyl rear calipers doesn't give that good of results. To use vented rotors with spaced out 4-cyl calipers, the rotors must be turned down approx 4mm in diameter to even fit. Then, you are still stuck with the small pistons and pads from the 4-cyl calipers. Then you must find 7mm hardware long enough for the spaced calipers. You must also find/fabricate pins long enough and last but not least, you have to make/adapt spreader springs for the spaced 4-cyl calipers. From what I understand, the spacers from 911 rear calipers and all the 911 rear caliper hardware will swap directly into the 914/6 calipers. However, I have noticed that 914/6 rear caliper rebuild kits are listed as being NLA at several parts houses. The advantage is that you probably already have them and that you can keep the stock e-brake. You could adapt 911 e-brakes and use 911 rear calipers. (which is what I decided to do) just my $0.02 |
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| davep |
Apr 30 2006, 06:41 AM
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#7
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914 Historian Group: Benefactors Posts: 5,151 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada  |
QUOTE(Brian Mifsud @ Apr 29 2006, 08:30 PM)  aside from the difference in shinyness, isn't the only difference the 1/4" spacer sitting between the halves? You should be able to see that the 914/6 caliper is much wider than the 914/4 caliper. Bigger pistons, bigger pads, different everything. BTW, the spacer should be 10mm. |
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