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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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Old VW question
I want to install 1969 drums on my 1963 suspension.
I have the '69 parts. What are the mods required. This is to go to four lug on my Formula Vee race car. KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 02:16 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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 I'm assembling it this week! KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 02:23 PM
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Too big to fail
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'63 is swing axle, '69 is IRS. You will need to figure out how to get IRS trailing arms onto your chassis. Look up IRS conversions on TheSamba
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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06-11-2012, 02:46 PM
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Double Trouble
Join Date: Nov 2002
Location: North of Pittsburgh
Posts: 11,705
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They make 5 to 4 lug conversion brake drums. Just replace the 5's with the 4 conversions.
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06-11-2012, 03:06 PM
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Registered
Join Date: Dec 2010
Location: PNW
Posts: 285
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Front end would be king pin to ball joint so, Samba & update your progress, please.
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06-11-2012, 03:13 PM
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Double Trouble
Join Date: Nov 2002
Location: North of Pittsburgh
Posts: 11,705
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I need clarification here. Are you changing the suspension or just the drums and wheels? You don't have to change the suspension to go from 5 to 4. just the drums.
http://www.chircoestore.com/catalog/index.php?cPath=86_87_97 http://www.socalautoparts.com/brake-drums-rotors-c-1209_1339.html Last edited by targa911S; 06-11-2012 at 03:46 PM.. |
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06-11-2012, 03:40 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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Just want to change the drums only.
Thanks! KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 05:38 PM
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Double Trouble
Join Date: Nov 2002
Location: North of Pittsburgh
Posts: 11,705
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Ok so you may need to change the backing plates too. I think you can just get 5 hole drums drilled to 4 holes though. Been away from VW's for a while things may have changed. Samba is a good place for direction.
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06-11-2012, 05:50 PM
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Licensed User
Join Date: Feb 2003
Location: ....down Highway 61
Posts: 6,506
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Im not sure what the equivalant conversion for the front would be, or what it do in terms of the racing class the car is in now, but you could use the much larger T3 drums on the rear and keep 5x205 lug pattern and swing axles.
Aircooled VW Addiction - Type 1 to Type 3 rear brake drum conversion Last edited by Shuie; 06-11-2012 at 06:32 PM.. |
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06-11-2012, 06:29 PM
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Puny Bird
Join Date: Nov 2002
Location: Port Hope (near Toronto) On, Canada
Posts: 4,566
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A lot of misinformation here....
I'd check over on thesamba, but it will bolt right up, the only mod you have to make is to cut down the nose of the drum something like .600" (IIRC, but one way is to cut down and the other is to add a spacer). Best thing is to bolt it all up and measure. He can't change to IRS, it's against FV rules.
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'74 Porsche 914, 3.0/6 '72 Porsche 914, 1.7, wife's summer DD '67 Bug, 2600cc T4,'67 Bus, 2.0 T1 Not putting miles on your car is like not having sex with your girlfriend, so she'll be more desirable to her next boyfriend. Last edited by Mark Henry; 06-11-2012 at 06:51 PM.. |
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06-11-2012, 06:49 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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I don't need to stick with FV rules for this project as I will not race it with these mods.
If do run it in FV someday, I will switch back. I want to run these tires/wheels on the Vee. 4x130 bolt circle. Same as on my 914.  Tires are from the Formula Mazdas:  KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 08:10 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 08:17 PM
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Registered
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Looks like Keith Stones car. Just kidding. Is that a mild steel chassis?
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A nose heavy airplane flies poorly, a tail heavy plane flies once. |
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06-11-2012, 08:37 PM
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Registered
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A nose heavy airplane flies poorly, a tail heavy plane flies once. |
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06-11-2012, 08:40 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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Wondering if anyone would catch that.
I'm on a light beer kick. KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 08:41 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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Yes, all steel.
KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 08:42 PM
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That looks like it will be a heck of a lot of fun! Pretty good looking car so far.
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A nose heavy airplane flies poorly, a tail heavy plane flies once. |
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06-11-2012, 08:48 PM
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JW Apostate
Join Date: May 2004
Location: Napa, Ca
Posts: 14,164
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1000#'s with driver.
should be fast. I'll a/x it first. KT
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'74 914-6 2.6 SS #746 '01 Boxster |
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06-11-2012, 08:52 PM
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Registered
Join Date: Jun 2000
Location: bottom left corner of the world
Posts: 22,758
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Yeeeeow. That is going to be one fun car.
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06-11-2012, 09:49 PM
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Zink Racer
Join Date: Aug 2005
Location: Spokane WA
Posts: 3,994
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What are you doing with it, short and long term? Why 4 lug, running non stock wheels? What chassis is that? Engine plan? Sorry for all of the questions, curious. Looks like a great project. Here is my 68 Zink C-4 run with SOVREN in the northwest.
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Jerry 1964 356, 1983 911 SC/Carrera Franken car, 1974 914 Bumblebee, a couple of other 914's in various states of repair |
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06-12-2012, 05:11 AM
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1979 Porsche 911SC
