Upcoming Winter Project

[Scurry]

I own a 1986.5 928s with 230k miles.
My style of driving is considered to sprited on the road. No tracking of this vehicle. This a NA setup. I have got Ken's S3 V4 chips, Ott's cross pipe and RMB.
Also I had the lower end rebuilt by 928 Motorsports (Carl) which I believe LN Engineering did his work. Was done in 2018. I also had a local machine shop massage my heads. I had put this together the year I retired in 2020 during COVID. At the time I did not replace the lifters or CAMS and used what I had.

I have 3 winter projects coming up:
1: Rear wheel bearings- I have all the parts and tools for this
2: Finish off my interior work with some final pieces that will be sent out to Brian in OK.


This next one is where I have some questions.
I have purchased a real nice set of S3 CAMS from 928Intl and will install them with a whole new set of lifters (32). Either the Porsche brand or the light weight VW ones.
So have any of you used the VW lifters? $1,000.00 difference compared to Porsche.
On pre-oiling of either of them I was thinking about letting them soak in the oil that I use currently V20-50 VR1.
Any time limit on them soaking? If soaking is hat up or down? I was going to purchase them this summer and let them soak until I start the project this October.


Thanks
David

[dr bob]

Welcome to Carpokes! Love the mountains backdrop in your picture. Ours are looking a little less snowy right now. Still white tops but fading in the 90º heat we are enjoying this week.

The lightweight VW lifters are a known good replacement for the $$ Genuine Porsche parts. Those are the ones I'd use.

Just soaking them won't fill them with oil. The common methods is to pump them mechanically while immersed in oil. Don't be afraid to primes the oiling system before you install the timing belt. Doing so will fill the lifters plus all the rest of the oil passages before you actually put any loads on the friction faces.

----
I'll share that I did manage to booger a rear wheel bearing on a clinic car, by forgetting to install the parking brake backing plate before starting the hub onto the stub shaft. Don't make that mistake I did, and save the cost of a bearing and in my case, a couple days before I could get a replacement.

Blue-gloves picture shows that backing plate, and my double-top-secret trick to using a nutdriver to manage the retainer pins. I figured out that I can assemble the whole parking brake assembly before putting the hub back in, avoid the mistake completely, and have much better and easier access for getting all the fiddly bits assembled correctly.

I bought one of the Sir Tools sets, and it made the project a lot easier. The cost of buying the tool then was about the same as a local shop quoted for the work. I added it to the collection, and in the first year we had three clinics of three cars each for the service, so easy payback.

This was ~~20 years ago now, when we lived in a little bungalow on a bluff over Los Angeles. Still have the tools. If you are in the central Oregon area, bring your parts and come use the tools.

[Tom]

I came up with this years ago, after concluding that soaking didn't do much.... This was before all the cool kids were doing it, which is why this video has all the quality of a Bigfoot reel.....

[dr bob]

I love the creative magic! I was thinking I could put them in a bag of oil in the ultrasonic cleaner, and let the vibrations do the hard work. The vacuum is much quicker-easier-cleaner!

[Scurry]

Thanks for the responses Dr. Bob and Tom.
Dr. Bob the shot of the mountains was on the road to Telluride CO was a great day in October.

Since I moved up to WA Dr. Bob I'm about a day trip down to Bend OR. Might take you up on the rear wheel bearing replacement. I've heard alot about you on your trails with the 928.

Tom, I will need to find a jar and parts to create this. Love the idea. Can I squeeze the oil in and still let them soak or just do before I install?

Thanks
David

[Tom]

Thanks for the responses Dr. Bob and Tom.
Dr. Bob the shot of the mountains was on the road to Telluride CO was a great day in October.

Since I moved up to WA Dr. Bob I'm about a day trip down to Bend OR. Might take you up on the rear wheel bearing replacement. I've heard alot about you on your trails with the 928.

Tom, I will need to find a jar and parts to create this. Love the idea. Can I squeeze the oil in and still let them soak or just do before I install?

Thanks
David

That's actually a MityVac vacuum pump. So you are more sucking the air out of the lifter than forcing the oil in. I just drilled a hole in the lid and put a barb fitting in with a little RTV. Importantly, that's a Claussen quarter-spear dill pickle jar -- because they are noticeably fresher and tastier than pickles stored at room temp. Letting them soak really doesn't do anything -- other than make them harder to handle -- unless you let them sit all year and hope changes in temp and barometric pressure will eek out a few bubbles over a long period of time. I just put them in the jar and keep pumping until I can't get any more bubbles out. Helps to flip them around a few times while pumping to make sure the air has a good exit path.

[blueline]

Ingenious Tom, Bigfoot or not! And a big YES to the superiority of Claussen quarter dills! (Add Minis to that elevated status.)

[Scurry]

Tom:

Brillant!

Here is my rendition of great idea!

Couldn't upload video to large but here a couple of photos. I'm ready for them to come in.

[Tom]

Nice, you're all set. For videos, it's best to upload them on YouTube and just post the link here. They embed and play right in the thread like mine above.

[dr bob]

ummmm... Move that caustic Zep Industrial Degreaser bottle out to the shed, away from anything aluminum like Your Car. It's great for iron engines, only suitable for aluminum if you can limit exposure time to minutes, and completely rinse and neutralize it immediately. It darkens aluminum as it hydrolyzes the surface, a problem that continues once started. Not Good! Read the label carefully and completely, including the part where it warns against use on aluminum. It means it.

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