BMW V8 dry sump from billet

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AdeV:
Thanks again chaps; looks like I managed to fairly accurately convey the depth of feeling - which was proportionate to depth of cut - a proper pucker moment.

Luckily, it's all gone well, and today the very final bits of machining were re-done for the last time (with the engine off the stand & both sump and gearbox mounted up, I used my punch tool to mark the new hole centres. Everything then came apart again, and the four holes were drilled & tapped. No pictures, it's all pretty standard stuff.

Then, the sump was put back on with the brand new gasket, all bolted down, pipes cut & altered to fit. Here are some glamour shots of the engine + sump (sorry for the gross light problems, it was dark in the shed & the sump is shiny shiny...):

Whilst we're here, a crop taken from that last photo shows just how far out I was with my original holes! Since I'm pretty sure I hadn't cut that much metal off in the first place, I must have muffed something when measuring at the gearbox. The small ring just below each the 2 holes, is the threaded bar I loctited in the other day....

For the next sump, I will definitely use the little punch as the FIRST method...

So, finally a couple more:

Should be running by the end of the week, can't wait! :beer:

Stilldrillin:
A really purposeful looking lump :clap: :clap: :thumbup:

David D

philf:
Ade,

I've followed this thread with great interest since you came to see me in Marple (you bought a right angle bevel gearbox off me) and first told me about MadModder.

I felt sick to the stomach for you when things went awry. As you say, the right hand hole looks to be about 6mm off centre which is perhaps better than being only 1.5mm out - what's left of the plug is more likely to stay put. I am so relieved to see that the loose cutter incident wasn't as catastrophic as it could have been and that you came up with a good fix.

You've been an inspiration to us all. I'm sure that not many would attempt a job of that scale. You've obviously had to put great thought into the machining operations and set-ups, learning a lot as you progressed. We've all (or at least, I've) learned whilst watching your progress.

The finished job looks superb. You should be very proud of your achievement and thanks for sharing all the good (and not so good) moments along the way.

Are you having a rest before starting the next?

Cheers. :beer:

Phil.

dsquire:
Ade

I haven't been saying much but I have been watching this progress since the beginning. It is amazing the way you have turned that big disc of aluminum into what we now see hooked up on the bottom of the engine. I know there were some times along the way that you scared yourself as well as us following along but it appears as though it has all come out with just a few slight design features added. Very well done Ade, you should be proud of this one. :D :D

Cheers :beer:

Don

BillTodd:
Fantastic job :clap:

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