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Tathomas7
Samba Member
Joined: January 29, 2016
Posts: 14
Location: Cincinnati
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 Posted: Sat Feb 06, 2016 5:28 pm Post subject: Brake backing plate??? |
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| Does anyone know if it's possible to use swing axle rear brake backin plates on irs arms? If so what do you have to do? I know they're not the same just wondering if it's possible? |
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jsturtlebuggy
Samba Member
Joined: August 24, 2005
Posts: 4496
Location: Fair Oaks/Orangevale, CA
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| Posted: Sun Feb 07, 2016 10:38 am Post subject: Re: Brake backing plate??? |
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Yes you can install the earlier swing axle backing plates on IRS rear trailing arms. Using the 1967 and earlier backing plates will require the use of the earlier narrow brake shoes. Trying to install the later wider rear brakes would cause the shoes to sit at a angle because of where the adjusters set.
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Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
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dustymojave
Samba Member
Joined: January 07, 2007
Posts: 5802
Location: Lake LA, Mojave Desert, SoCal
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| Posted: Sun Feb 07, 2016 1:31 pm Post subject: Re: Brake backing plate??? |
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Then you need to also use swingaxle drums, which means that a spacer is needed on the splines outboard of the drum.
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Richard
Offroading VW based cars since 1965
Tech Inspection 1963 - 2012 SCCA/SCORE/HDRA/MORE/MDR +
Retired from building Bajas, Fiberglass Buggies and Rails in the Mojave Desert. Also Sprints & Midgets, Dry Lakes, Road Race cars. All types New and Vintage
SoCalBajas Member
Kicked Cancer's A$$...1st and 2nd round...Fight ain't over yet. |
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Tathomas7
Samba Member
Joined: January 29, 2016
Posts: 14
Location: Cincinnati
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| Posted: Wed Feb 10, 2016 7:08 pm Post subject: Re: Brake backing plate??? |
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Like I absolutely have to use the swing drums if I do this? Reason I ask is irs donor has rusted out backing plates and my swings are good but I already have adapters to fit the irs drums to the rims I already have. So using swing drums result in more purchases which is always the case anyway  |
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Tathomas7
Samba Member
Joined: January 29, 2016
Posts: 14
Location: Cincinnati
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| Posted: Wed Feb 10, 2016 7:08 pm Post subject: Re: Brake backing plate??? |
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| Like I absolutely have to use the swing drums if I do this? Reason I ask is irs donor has rusted out backing plates and my swings are good but I already have adapters to fit the irs drums to the rims I already have. So using swing drums result in more purchases which is always the case anyway |
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jsturtlebuggy
Samba Member
Joined: August 24, 2005
Posts: 4496
Location: Fair Oaks/Orangevale, CA
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| Posted: Wed Feb 10, 2016 10:09 pm Post subject: Re: Brake backing plate??? |
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You can use the drums you have, you just have to use the early narrow brake shoes and early wheel cylinders with the early backing plates.
It will be less braking action then with the wider later shoes that the IRS uses.
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Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
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