Dual Circuit Master Cylinder conversion

[megamau]

I'm trying to find the best deal on a new dual circuit cylinder and conversion kit, and I only need to understand a little detail.
I sometimes find in some sites that they say a specific cylinder is with servo, and some other cylinders are without.
What is the difference? Can I buy a cylinder made for servo braking systems and use it without a servo?

[Bruce Amacker]

[Eric&Barb]

[ozark23]

[Eric&Barb]

[kreemoweet]

[ozark23]

Yes. Just so others will know when doing this, Varga does not have stop bolt.
Mine is leaking from front grommet/to reservoir after 3 grommets.
Guess I'll pull it off and see if the master has a nick/groove/defect.

thanks for the help folks.

[perello]

mocking up mine, to anticipate any problem using a 67 only ATE MC. I've got the impression that it will be enough by shortening the rod 3-4 mm..lets see.

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Aug '58 pressed bumper SO23
1974 German Thing
1978 Bug 1200

[mr white]

What master cylinder is a good choice to replace a stock dual circuit master cylinder on a 67 bus? The spacer is for earlier than 67?

[Eric&Barb]

[Dubskii]

Picked up a 67 DCMC from Old Speed recently. I would like to spray paint it with black enamel (covering up the orifices first of course) to prevent any surface rust from forming. Is this advisable?
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69 Sunroof Deluxe - Montana Red/Cloud White (Sold)
57 Kombi - Dove Blue http://www.thesamba.com/vw/forum/viewtopic.php?t=648240
WTB Early Dove Blue Bus Driver's Side Door
WTB Joe Heishman VW Arlington, VA License Plate Frame or Other Memorabilia

[Eric&Barb]

[Nvloc]

So I did this conversion last year following the aicooledtech.com link.
It's a 65 single cab with Porsche 914 calipers up front and stock drums in the rear.
Picked up a bay window master, Volvo reservoir, made a spacer. Hooked up both front brake lines to the ports toward the back of the vehicle, the single rear brake line hooked up to the port nearest the front, the sender in the 4th port.
Finally drove it yesterday and the brakes are terrible, feels like I'm dragging the rear brakes and have no power up front.

With discs in the front am I missing something? Will I need a Proportioning valve on the rear to make this work?

EDIT: disregard. I rechecked the routing of the brake lines and realized I had one of the front lines and the rear brake line reversed, don't do that! Brakes are working muuuch better

[bergfan]

May have missed a post but cant see any mention of brake servo/booster being used in any of these conversions. i take it its fine without one ?

[Kiwinw]

Hoping someone can confirm next steps to get this back into the bus (came off a 67 - but it's obviously not original). Its a bug reservoir (looked up the number on the plastic) and although the holes line up, I am not sure this will work as there does not seem to be room for grommets to complete the seal? So do I need to buy a different fluid reservoir (Rabbit or 67 bus), or are there grommets available for this? Its a tight fit, but it had a leak at the connections so I took it off to clean it up and replace the grommets. It had some aged hard type material where the grommets would be - almost like a piece tubing had been stretched over (PO installed). Let me know if this works (new grommets or other trick, or if I just need to buy a new reservoir or other adaptors. Links would be helpful.

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I need a long camper side WINDOW for a 66 Riviera - please let me know if you have one!

1975 Westfalia
1967 Westfalia
1966 Riviera
1966 Deluxe

[Eric&Barb]

[Kiwinw]

[Eric&Barb]

That is a Rabbit reservoir. Since it is supposed to fit 1967 bus it will fit the 1971-79 MC.
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In Stereo, Where Available!

[Homeresque]

[Eric&Barb]

Single circuit will most likely not move enough fluid to work the discs.

Get new grommets and fix the dual circuit problem.
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In Stereo, Where Available!