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Board index » All Posts (JP)




Re: 1955 Packard 700r conversion
#31
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John Payne
This certainly sounds interesting but I've yet to get a handle on what happens when you have a push button selector setup like on my '56 Patrician. Does anyone have any info about that part of a conversion? Cheers, John

Posted on: 2014/7/19 23:39
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Re: '56 Brakes
#32
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John Payne
I always wondered what Lubriplate was and now I know. I also use a Bendix product but a modern version (see below). By the way, I should give and update about the woven linings. We went on a week long rune with 200 cars recently and on the downhill winding bits I was getting brake fade. I'm sure it was brake shoes as the fluid was pretty new Dot 4 and the master was full.

Anyway, after talking to a couple of brake specialists, one of them commented that on older cars like '57 Chev's they often use a woven lining as the primary and a moulded lining as the secondary. This got me thinking as I had read in the service manual that the factory used different compositions for the front linings. So, as I had two pair of front shoes, one woven and one moulded, both in pretty much new condition, I mixed them up with the wovens as primaries. I also fitted a new vacuum check valve just in case lack a vacuum was contributing to the hard braking, and all seems to working quite well. I still reckon the BTV has insufficient boost but there's very little I can do about that. I have spoken to Peter Packard and he has suggested that if vac pressure could be increased then that might overcome the problem. I haven't done anything about that idea yet. Cheers, John

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Posted on: 2014/7/7 4:37
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Re: '56 Rear Stabiliser Bar
#33
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John Payne
Oh, and I was forgetting the other two bushes (Packard # 445389) that are used on the pivot rod in the middle of the assembly bracket. I've checked the Steele catalogue and can't see them listed there and am wondering if these are available in polyurethane as well as the eyelet bushes. I am finding it difficult to get the dimensions of these bushes to check it out so if anybody has them I'd be most grateful. I have the dimensions for the 8 eyelet bushes. Cheers, John

Posted on: 2014/6/26 1:46
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Re: '56 Rear Stabiliser Bar
#34
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John Payne
Thanks for that Riki. I measured the ID of the eyes on my spare bar and they're about 25mm or just under. So I contacted the maker of those cotton reel bushes to get their view about pressing them into a hole that size and was told yes, they are quite flexible and it will work. Just make sure they are well lubed and do not have a steel sleeve fitted while you're doing it. I was also told it is OK to cut them in half if preferred.

I don't know whether having a one piece bush will locate the arms more securely than two half bushes, but I'm thinking it might. In any event, I've first got to buy them and it seems likely they'll cost about $17/pair, so about $34 to do the bar completely with inners and outers. Once I buy them, all I have to do then is work up the enthusiasm to get started. Cheers, John

Posted on: 2014/6/25 22:39
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Re: '56 Rear Stabiliser Bar
#35
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John Payne
I'm still on the hunt for suitable polyurethane bushes, but it's proving a little difficult to find something the same size as I can source in rubber. One supplier recommended a "tapered cotton reel bush" that's essentially the same as two of the rubber ones joined in the middle. The sizing is very close with the overall length being the greatest difference at 1.85mm, approx 1/16" (rubber bushes x 2). The ID is 16mm which is only marginally bigger than 5/8" (15.9mm). Has anyone used these type of bushes and if so, were there any difficulties in pressing them in to the arms? I've never tried this before and am a little cautious as from what I can find out, these types of bushes are usually pressed into flat surfaces, not like the eyes on the bars which are tapered on both sides. I suppose I could cut them in half but I'd prefer not to have to do that. Cheers, John

Posted on: 2014/6/25 1:51
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Re: '56 Rear Stabiliser Bar
#36
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John Payne
Thanks men. My spare bar isn't fitted to a bracket so I think I'll source the bushes first and when I'm ready to do the job, remove the bar from the car and measure each bar against each other. Hopefully they'll both be the same but if not, I'll reco the one with the longest arms. I'm still looking for some suitable polyurethane bushes over here instead of the rubber ones that are readily available. Cheers, John

Posted on: 2014/6/24 18:28
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'56 Rear Stabiliser Bar
#37
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John Payne
Rather than confuse things with the trailing arm bushes topic, I thought it might be better to start a new one about the stabiliser bar (watts linkage). Accordingly, I have copied my last post on that topic to this new one:

"I'm starting to do my homework regarding the possibility of using polyurethane bushes for the rear stabiliser bar. However, I've come up with a quandry and need some expert advice. When I refurbished the bar on my Patrician a few years ago I actually had two bars, one of which came on the car and one which I was given as a spare. Unfortunately I can't recall which one I recoe'd but I think it was the one which came with the car. At that time I didn't realise '55 and '56 bars had different part numbers ('56 = 6480534 & '55 = 445831). So the question is, what's the difference between the two bars as I might have one of each? Is it something readily identifiable? If I'm going to run with polyurethane I want make sure I do it on a '56 bar".

Cheers, John

Posted on: 2014/6/24 2:30
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Re: 56 Rear Torque Arm Bushiongs
#38
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John Payne
I'm starting to do my homework regarding the possibility of using polyurethane bushes for the rear stabiliser bar. However, I've come up with a quandry and need some expert advice. When I refurbished the bar on my Patrician a few years ago I actually had two bars, one of which came on the car and one which I was given as a spare. Unfortunately I can't recall which one I recoe'd but I think it was the one which came with the car. At that time I didn't realise '55 and '56 bars had different part numbers ('56 = 6480534 & '55 = 445831). So the question is, what's the difference between the two bars? Is it something readily identifiable? If I'm going to run with polyurethane I want make sure I do it on a '56 bar. Cheers, John

Posted on: 2014/6/23 3:00
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Re: torsion level question
#39
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John Payne
For my two cents worth, and a regular driver of a '56 Patrician on Australian roads (also attended the Mildura run), I can't say I've ever noticed the leveller operating out on the road. The only time it's really noticeable is when refuelling or when loading/unloading passengers and/or the boot (trunk). Seems like you've got a gremlin in the system Matt. Cheers, John

Posted on: 2014/6/17 4:59
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Re: 56 Rear Torque Arm Bushiongs
#40
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John Payne
G'day James, the worn ones are the lowers. The reason I asked about polyurethane bushes was because they are more "rigid" and I was thinking about how well they would compress under load. However, I didn't think about the potential for fracturing of the trailing arms or mounts and for that reason alone, I'll be sticking with rubber. The ones I fitted are from Steele so I don't know how well they'll wear compared to Kanters, but I'll watch this space with interest. I'm still thinking I'd like to try polyurethane for the rear stabiliser bar though. Their rigidity should perform better for the purpose by helping reduce the movement that might otherwise develop with wearing rubber. Cheers, John

Posted on: 2014/6/17 4:48
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