 Unsprung weight, 914 front hub/rotor and caliper |
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| ww914 |
 Apr 16 2013, 07:43 AM
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#1
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914 Convert  Group: Members Posts: 435 Joined: 29-September 11 From: Central Coast, CA Member No.: 13,621 Region Association: Central California  |
Anyone know the weight of a stock 914 front hub/rotor and caliper?
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| McMark |
Apr 16 2013, 11:20 AM
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#2
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914 Freak! Group: Retired Admin Posts: 20,180 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Rotor with bearings is about 15lbs.
Bare strut (no insert) is about 14lbs. Caliper is about 7lbs. Add in misc pieces (dust shield, pads, strut insert, etc) and you're probably up around 50-55lbs not including the A-arm. |
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| ww914 |
Apr 17 2013, 08:51 AM
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#3
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914 Convert Group: Members Posts: 435 Joined: 29-September 11 From: Central Coast, CA Member No.: 13,621 Region Association: Central California |
QUOTE(McMark @ Apr 16 2013, 10:20 AM)  Rotor with bearings is about 15lbs. Bare strut (no insert) is about 14lbs. Caliper is about 7lbs. Add in misc pieces (dust shield, pads, strut insert, etc) and you're probably up around 50-55lbs not including the A-arm. I've been collecting parts to convert to 5 stud. My 911 rotors, Brembo calipers and hubs weight about 20.6 lbs together, so I guess they would be a tad lighter, assuming the struts weigh about the same. So the advantages I see are: 1 - A little lighter 2 - Bigger brake 3 - Easier to change wheels with studs rather than lug bolts. What else am I not considering? |
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| blitZ |
Apr 17 2013, 09:00 AM
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#4
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Beer please... Group: Members Posts: 2,223 Joined: 31-August 05 From: Lawrenceville, GA Member No.: 4,719 Region Association: South East States |
I used Eric's aluminum Brembo AM calipers for my 5 lug. It's about 2.25 lbs lighter than a stock 914 caliper.
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| jcd914 |
Apr 17 2013, 09:49 AM
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#5
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Advanced Member Group: Members Posts: 2,096 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
QUOTE(ww914 @ Apr 17 2013, 07:51 AM) QUOTE(McMark @ Apr 16 2013, 10:20 AM) Rotor with bearings is about 15lbs. Bare strut (no insert) is about 14lbs. Caliper is about 7lbs. Add in misc pieces (dust shield, pads, strut insert, etc) and you're probably up around 50-55lbs not including the A-arm. I've been collecting parts to convert to 5 stud. My 911 rotors, Brembo calipers and hubs weight about 20.6 lbs together, so I guess they would be a tad lighter, assuming the struts weigh about the same. So the advantages I see are: 1 - A little lighter 2 - Bigger brake 3 - Easier to change wheels with studs rather than lug bolts. What else am I not considering? Better choice of wheels? You maybe going from pinch bolt struts to wedge pin struts, which is an improvement. The wheel bearing are a bit bigger. Jim |
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