Any tips on doing the hvx mod?

[67 Sunroof]

Thanks for the source on the drill bits!!!
People will appreciate that.
It’s not for the faint of heart though. You can really screw up your case if you don’t know what you are doing.

[Busstom]

You know, it didn't even cross my mind earlier, but I've even purchased extended length bits at Home Depot (about a foot long). The price will be better than McMaster...but I'll tell you from experience, it won't be as good as the cheapest bit at McMaster-Carr. On the other hand, you won't be needing it to last all that long, so it's a budget-friendly option.

[67 Sunroof]

Well today after work I decided to tap the last hole in the case for the oil pump. I held out on it because of the angle in which the hole had to be tapped.
So, since I have been rather successful with my previous tasks, I decided to tackle it.
Here’s the hole before tapping:

I then used a 13mm gearwrench and slowly cut the case with stabil fogging oil and the 1/4” npt tap following the same angle as the oil passage.

I screwed the 1/4” plug in to make sure I could clear the lip and not have any issues with the oil pump fitting later on.

And finally I deburred the hole to make sure it was totally flush.

Making progress! My next big step would be figuring out what to do since I pulled the “restrictor plug” from the case.
John @ Aircooled.net suggested tapping the block with a regular tap but tap the #4 bearing hole with a plug with a restricted hole drilled in the middle. Sounds like a pretty good idea to me..

[mark tucker]

why do you want to attempt effing up that aera tapping it&threading it, just put a knock in gally plug in it. fast effective and almost moron proof. same go's for the oil pumpkenhusen.
and when you do tap&plus the case use a brass plug!!!

[nsracing]

Moron-proof, Tucker?

That case needs a serious bath!

[mark tucker]

yes I think even you and rock krushier can use them without fail just messen with you, you know who Im refering to. there everywhere!!!!

[Ebel]

Last I heard, rock crusher might be getting something else knocked in tight holes.

[67 Sunroof]

[KROC]

[esde]

[jpaull]

So we yank out all the plugs in a vw case in favor of thread in plugs, but put knock in plugs in a oil galley? 95.2% of marks advice is pretty cool but I pass on the knock in plugs. The case and oil pump holes that need to be plugged dont even need to be drilled in order to be tapped. As long as you start the tap straight it taps threads beautifully and perfect.
_________________
[email protected] MPH 1/4 Mile & 8.1 @ 83.7MPH in 1/8 Mile with Mild Type 1 VW Mag Case 2234cc commuter engine in stock weight bug w/only .491 total lift(CB2292 Cam), 42x37 heads, 48idf's, Street tires, Belt on, Mufflers, Pump gas, video of the run here: https://youtu.be/M3SPqMOKAOg

Transmission by MCMScott:
Rhino case, Klinkenberg 4.12, Superdiff, 002 mainshaft with 091 first idler. Weddle 1.48 Third & 1.14 Fourth.

[APPLEGREENVW]

[67 Sunroof]

To be honest, the plug won’t come out because the oil pump body would be holding it in anyway. I tapped it-too late.
Next issue is this oil restrictor, filter, plug thing!! Pictures below...
Suggestions on this? [email protected] suggested plugging the journal and drilling a very small hole in the plug to restrict the oil but still allow it to pass through to lubricate.
Plug:

Tapped:

The #4 journal hole:

Old pictures: what I started with:

Por15 the chassis:

Rotisserie time!

Epoxy primer time:

Final primer time:

Final paint done!!!!!!

Airbag prep:

Air strut front end:

Getting it running...before realizing a motor tear down was in order😡

Getting there-slowly...