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'89 930
Join Date: Dec 2007
Location: Ft Myers, FL
Posts: 452
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ebrake and triling arm issue....need help
Hi all,
Ran into problems with the ebrake support plate and bearing retainer plate when upgrading from a '73.5 steel trailing arm to '76 aluminum trailing arms. The old '73 ebrake plate and retainer plates with the 4 holes do not match up to the '76 trailing arms. The 4 bolt pattern on the '76 is just a bit larger than the plates and the support plate does not fit over the hub of the trailing arm. I need these pieces that will fit up to the '76 arms. I thought all my research here confirmed that it would be a simple swap out with all other parts fitting up to a '73.5. Not so I guess. And if anyone knows anything else I might need to change out, please let me know. 
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'89 930 3.4, twin plug, crank fire, K27, cams, B&B I/C, coil overs, EVO '73 911 'ol Yeller - 3.0 ST Clone '74 911 green with NV - 3.6 RSR to be '87 951 Red Vitesse Stage 3r, AOR, Ruf, Motion Control '01 996 ECU flash, 911Tuning exhaust, DV, Techart |
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11-06-2009, 08:15 AM
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'89 930
Join Date: Dec 2007
Location: Ft Myers, FL
Posts: 452
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I cannot seem to find any postings of anyone running into this issue. Surely someone has seen this condition......Anyone....please.
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'89 930 3.4, twin plug, crank fire, K27, cams, B&B I/C, coil overs, EVO '73 911 'ol Yeller - 3.0 ST Clone '74 911 green with NV - 3.6 RSR to be '87 951 Red Vitesse Stage 3r, AOR, Ruf, Motion Control '01 996 ECU flash, 911Tuning exhaust, DV, Techart |
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11-06-2009, 09:41 AM
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Registered
Join Date: Jul 2006
Posts: 356
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I am in the midst of re-doing my suspension and brakes ('85 Carrera) and I was literally cleaning those parts this week... They look the same to me. However, When I look on PET, the part numbers are indeed different:
Parking brake supporting plate: 1985: 911 352 081 30 1973: 911 352 081 14 Bearing cover plate: 1985: 911 331 561 30 1973: 911 331 561 00 Hope that helps... |
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11-06-2009, 10:07 AM
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Registered
Join Date: Feb 2008
Location: Altamonte Springs, Florida
Posts: 342
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Been there done that...pieces are indeed different. If this is going to be a track car then check into a reinforced bearing cover plate. Just as an FYI, you need to change the rear hubs too. Otherwise the rotor/caliper alignment will be off.
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FC '73 911 Track Car '99 996 Daily Driver '93 968 Wife's Car '05 Cayanne S Family Car |
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11-06-2009, 10:31 AM
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'89 930
Join Date: Dec 2007
Location: Ft Myers, FL
Posts: 452
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Thanks amjf088 and Fast Corners, I did not relaize the parts were slightly different and now need to locate the correct pieces.
FC, it will be a track car and I am not familar with reinforced bearing cover plates. I will do some searching as it sounds interesting. I planned on using the rear hubs and inner flanges but the rotors and calipers have been replaced with 930's (modified by VCI) so I am hoping it will be correctly aligned. I know that I will also have to trim off the tabs on the trailing arms do to an interference fit-up. Thanks for the FYI, always appreciate greater knowledge.
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'89 930 3.4, twin plug, crank fire, K27, cams, B&B I/C, coil overs, EVO '73 911 'ol Yeller - 3.0 ST Clone '74 911 green with NV - 3.6 RSR to be '87 951 Red Vitesse Stage 3r, AOR, Ruf, Motion Control '01 996 ECU flash, 911Tuning exhaust, DV, Techart |
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11-06-2009, 04:13 PM
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