OT: Any 944 Cats Out There?, need some rear rotor help |
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OT: Any 944 Cats Out There?, need some rear rotor help |
Eric_Shea |
Feb 27 2007, 05:06 PM
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#1
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Hi Gang,
I have some calipers that "may" work with 944 rear rotors. Working off the hunch supplies another round of problems. There's only about 4-5 different 944 rear rotors: 83-86 944 87-89 944 86 944 Turbo 87-88 944S2/Turbo 92-95 968 I can probably rule out the last 3 but the first two are tough calls... does anyone have one of these cars they can take some offset measurements off? I need the distance from the top of the hat (where the wheel sits) to the middles of the vented rotor (or the top or the bottom, I just need to know what's being measured). Thanks in advance. Eric |
scotty b |
Feb 27 2007, 06:17 PM
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#2
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
I'll get those to ya tomorow (IMG:style_emoticons/default/smile.gif)
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Eric_Shea |
Feb 27 2007, 08:35 PM
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#3
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Danke Amigo!
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jasons |
Feb 27 2007, 08:48 PM
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#4
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Jackstand Extraordinaire Group: Members Posts: 2,002 Joined: 19-August 04 From: Scottsdale, AZ Member No.: 2,573 Region Association: None |
Do you still want mine?
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Eric_Shea |
Feb 28 2007, 09:59 AM
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#5
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Does it fit in that first two category?
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jasons |
Feb 28 2007, 12:32 PM
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#6
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Jackstand Extraordinaire Group: Members Posts: 2,002 Joined: 19-August 04 From: Scottsdale, AZ Member No.: 2,573 Region Association: None |
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Eric_Shea |
Feb 28 2007, 02:08 PM
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#7
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
The one's I would be looking at have the same rotor thickness as a 70-83 911 disc.
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Aaron Cox |
Feb 28 2007, 04:20 PM
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#8
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
that is 20mm thick right?
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Eric_Shea |
Feb 28 2007, 04:31 PM
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#9
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
Believe so...
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Aaron Cox |
Feb 28 2007, 04:31 PM
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#10
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
whatcha cooking?
did 944's have a 911 style parking brake? |
Eric_Shea |
Feb 28 2007, 04:37 PM
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#11
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
I have a set of calipers that have 5mm shaved off them. The PO says the PPO may have used 944 rotors with them. I need to check because, the 5mm off makes for 10mm in the "wrong" direction.
If the 944 rotor offset is correct, it's a bolt on. (oh please, oh please, oh please) |
Aaron Cox |
Feb 28 2007, 04:44 PM
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#12
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
5mm off the ears? thats a ton dude
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scotty b |
Feb 28 2007, 04:48 PM
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#13
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
Left is a 86 N/A, right one is an 86 Turbo.
N/A face to center of rotor = 2 3/8" turbo = 1 3/16" N/A rotor thickness = 3/4" turbo = 1 1/16" Does that help ya? Attached image(s) |
scotty b |
Feb 28 2007, 04:50 PM
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#14
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
Oh yeah I forgot the turbo rotor in the pic is a front (IMG:style_emoticons/default/headbang.gif)
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Aaron Cox |
Feb 28 2007, 04:52 PM
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#15
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Professional Lawn Dart Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California |
yeah.. 951 front rotors are 28mm thick iirc...
and the rear has the 'flat' area for the drum e brakes too.... |
Eric_Shea |
Feb 28 2007, 04:57 PM
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#16
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
That does help... it indeed coincides with a caliper that's moved "out" 5mm. Now I'll measure it against a 9leben and see.
Danke Amigo! |
scotty b |
Feb 28 2007, 04:59 PM
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#17
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
If you wanna wait I'm going to be uncovering my car this weekend to let it run for a while, and can get a rear turbo rotor measurement for ya.
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Eric_Shea |
Feb 28 2007, 05:03 PM
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#18
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
I'd bet the Turbos are thicker hence not for my application. That picture just might do the trick!
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Eric_Shea |
Feb 28 2007, 05:05 PM
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#19
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PMB Performance Group: Admin Posts: 19,278 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains |
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scotty b |
Feb 28 2007, 05:10 PM
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#20
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
Just another thing to note. I put late turbo/968 calipers on an 86 N/A and using 86 TURBO hubs and spindles still had to shave the fronts a bit ( quite possibly the 5mm you mentioned) but had to add a spacer to pull the rears in a tad.
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