I want to see someone replace all internal moving parts with titanium, then replace the bores with titanium sleeves. Add oil lubrication, problem solved.
Do you have any details of order priority of which parts should be replaced 1st, 2nd, 3rd etc. I do not think it is reasonable to replace everything but there might be a part that is most critical. Could you give us the most critical part and tell us why? How does titanium wear against titanium? Might not some of the parts be of other materials?
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If someone will supply me with a relatively clean follower piston / roller assembly .... I WILL PAY for the CUSTOM FABRICATION of a new and hopefully more robust offering.
In 12k miles, as I am at 24k, I would then be willing to drop this into my 2011 JSW.
If we could keep it from turning 90 .....
Could you tell us what would be your rough guess as to materials of choice, dimensions etc. I think a cermet roller holder would be good. What are your material choices? Tool Steel ? Which parts would be which material?
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In discussing oil lubrication what rough thoughts do we have on:
1..How much added clearance will the slider require?
2..How much added clearance will the bearings require?
3..What viscosity oil will be needed 0W-5 (?) ? Other lubricant (?)?
4..How will the oil effect roller diameter needs?
5..What flow volume will be needed through the HPFP?
6..Will the filter act as an oil cooler?
7..What sump size would be needed?
8..Would a stock boost pump do for the lubricant pump?
9..How many microns would the filter need to be?
10..What is the estimated increase in drag using the heavier lubricant?
11..Will the bypass hole for the bearings need to be increased?
12..Will the stock seals be compatable with the new lubricant?
13..Can a lower chamber orifice bypass drain be fitted into the design?
14..What will be the new roller lubricant clearance?
15..What hose material will be needed.
16..Other things added by others???
Just a few things that go along with the discussion (some of which I have mentioned on another VW web club).
We have a huge lot of work to do, but every now and then we just slack off and look to others. We really need Grace to get all this done. Plenty of opportunities for everyone. Contact with some innovative vendors might yield results. Any contact persons out there?
eddif