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Newly acquired 1964 544 in need of front brake conversion to 122 Discs. Would appreciate any and all info. Need to know which parts to acquire and in which order to install. Have heard the discs need to be reversed, left to right, and plates are needed but not spindles. If there is an article from a publication, please forward or refer us to the source. Many thanks.
 

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Re: Conversion of 544 front drum brakes to 122S disc brakes (silverbell)

<A HREF="http://www.pv-klubben.org/PV-Entusiasten/e_2_99_discs.htm" TARGET="_blank">http://www.pv-klubben.org/PV-E...s.htm</A>
 

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Discussion Starter · #3 ·
Re: Conversion of 544 front drum brakes to 122S disc brakes (Phil Singher)

Many thanks for this compete and timely response. I have a mechanic who hs many 122's to scavenge parts. We will see if he can come up with everything including the talent to perform the job well. K. Bell
 

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Re: Conversion of 544 front drum brakes to 122S disc brakes (silverbell)

Welcome to Swedespeed, Ken.<p>Is the '65 on the road?<p><A HREF="http://www.brickboard.com/RWD/volvo/733865/444-544/544_front_disc_brakes.html" TARGET="_blank">http://www.brickboard.com/RWD/....html</A><p><A HREF="http://www.bearmanmotorsports.com/page4.html" TARGET="_blank">http://www.bearmanmotorsports.com/page4.html</A><p><A HREF="http://www.bearmanmotorsports.com/page5.html" TARGET="_blank">http://www.bearmanmotorsports.com/page5.html</A><p><A HREF="http://www.bearmanmotorsports.com/pv.html" TARGET="_blank">http://www.bearmanmotorsports.com/pv.html</A><p><br>George Dill<p>
 

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I will check these out. Pity he is on holiday until Sept 6th,....... Wait he must be back! I wonder when the 8 week timer started. I will have to think this through since I already have a set of front disks from a donor car.
Thanks for the link.

They are nice and clean. By $400 is pretty steep when it appears that the amazon -> p544 conversion is pretty straight forward.
 

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If you don't want to buy a $400 set of adapter plates, you could instead buy a really nice drill bit and add holes to the original 122 plate. That's the only part of the conversion more involved than simply bolting stuff together.

Best,

Cameron
Rose City
 

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Besides the cost of the parts, I think the biggest issue is the front shock bolts getting in the way, but there are workarounds for that.
The shock mounting bolts can be pressed out - a little heat and a vise should be adequate - then reinstalled with the shock up front. This will limit your turning circle, but you can regain that by bending the lower shock mount bolt. Easiest way, I think, is to cut a slot in it, bend it, then weld.

There's also a REALLY IMPORTANT but simple change to make with the master cylinder - remove the little pressure retaining valve. Otherwise your calipers won't fully release and driving will suck.

If anyone's in the market, I'm selling my already-disk-converted PV frontend. Just came out of the car today.

Best,

Cameron
Rose City
 

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i am collecting the various parts for the recommended conversion of 1966 PV544 front drum to 122S disc brakes and would appreciate information about connecting the 122 brake hose (# 671799) to the original PV steel pipe. Are adaptor fittings required for this connection and can anyone recommend where i can obtain two units with appropriate flare and thread? Thank you for any help that you can provide.
 

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The shock mounting bolts can be pressed out - a little heat and a vise should be adequate - then reinstalled with the shock up front. This will limit your turning circle, but you can regain that by bending the lower shock mount bolt. Easiest way, I think, is to cut a slot in it, bend it, then weld.

There's also a REALLY IMPORTANT but simple change to make with the master cylinder - remove the little pressure retaining valve. Otherwise your calipers won't fully release and driving will suck.

If anyone's in the market, I'm selling my already-disk-converted PV frontend. Just came out of the car today.

Best,

Cameron
Rose City
Interested..... Do you still have it?
 

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This is what i did for hose connection. Uses 3/8 24TPI male flare connections on either end of the hose. The hose is generic and readily available.



dean
 

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Interested..... Do you still have it?
Yep. The brakes have now been removed from the crossmember, and I'd be happy to sell the whole gig or to offer the brakes as a standalone package. That'd be 2 rotors, 2 calipers (I think this is the pair I had rebuilt with stainless pistons but I'd have to double check), the modified caliper brackets that will allow the calipers to bolt up to the PV spindles, 2 ipd stainless flex lines. I don't remember whether or not there are still pads in the rotors, but I think so. Those'd be PBR standards.

I can send pics by email but I don't have any posted online.

The box is heavy, so shipping would be a big bummer. I think the stuff in the box is worth something around $400. I might wiggle on that a bit, and I'm always open to barter (but there isn't much I'm looking for).

For the crossmember, I'm open to offers. The front springs are VP sport springs, and I can include NOS kingpin kits (but I won't be installing them).

Thanks,

Cameron
Portland
 

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Hmm, must think about this. I just redid my brakes and they went from terrifying to merely bad. Sometimes it darts left on braking, sometimes right. Loose steering box does not help. The self-adjusting nature of disc brakes are very compelling, besides the superior stopping power.

I also redid pretty much everything in the front end EXCEPT for the steering box, but I suspect I have a jacked crossmember, as the only way I could induce any positive caster was to shim the back edge of it from the frame horns with washers. I would surely be on the lookout for a straight crossmember if one is available.
 

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Hmm, must think about this. I just redid my brakes and they went from terrifying to merely bad. I would surely be on the lookout for a straight crossmember if one is available.
To the best of my knowledge, the crossmember I have is straight. I'd make a sweet deal on that, as I can't use it and it's large and in the way but too precious to scrap. It's from a B16 car. I'd include it with the brakes at no extra cost, even; but it needs kingpins badly. (I have those, too, but can't include them for free).

I have a few steering boxes also. Not sure how good they are (or aren't).

Drop me a note if you're interested.

Cameron
Portland
 

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Hmm, must think about this. I just redid my brakes and they went from terrifying to merely bad. Sometimes it darts left on braking, sometimes right. Loose steering box does not help.
Nearly pissed myself at this comment.

If no one in this thread is interested in the conversion parts, I may be. Hit me with PM if no one bites on this. Thanks.
 

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To the best of my knowledge, the crossmember I have is straight. I'd make a sweet deal on that, as I can't use it and it's large and in the way but too precious to scrap. It's from a B16 car. I'd include it with the brakes at no extra cost, even; but it needs kingpins badly. (I have those, too, but can't include them for free).

I have a few steering boxes also. Not sure how good they are (or aren't).

Drop me a note if you're interested.

Cameron
Portland
Mine is a 1963 B18. Not sure if the crossmember might be different or not as far as motor mount locations.

Steering box is a question. Not really sure if mine is rebuildable or not. I think the rebuild kits offered by the usual sources might just be seals but not sure.
 
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