Author |
Message |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Mon Jun 13, 2022 2:25 am Subject: Round 1, Fight! |
Apologies for the radio silence, life is busy and progress has been slow.
Very nice work. I'd be interested in hearing more about how you used the TIG to straighten the head?
https://i.imgu ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Sat Oct 16, 2021 6:11 am Subject: Round 1, Fight! |
I've moved into the new shop, it's still a mess though.
https://i.imgur.com/Nzzyaxdh.jpg
https://i.imgur.com/qGFj9j8h.jpg
Done some ring work.
https://i.imgur.com/cuWB620h.jpg
https://i ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Sat Jul 03, 2021 6:10 am Subject: Round 1, Fight! |
Well, you have been busy, and inventive, and very resourceful.
love your work. Do keep us informed.
Cheers! I’ve been spending hundreds of hours researching, so I’m glad people who understand ... |
Topic: Just got a 931 project |
Alleycat_Joe
Replies: 3
Views: 5013
|
Forum: 931 Discussion Posted: Fri Jul 02, 2021 7:07 am Subject: Just got a 931 project |
Good luck! I'm also in the process of restoring one of these cheese buckets. |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Fri Jul 02, 2021 6:57 am Subject: Round 1, Fight! |
Apparently Mittlemotor in Germany has the worlds supply of standard size con rod bearings
That seems about right, at least until Mespiècesauto starts making some. Picked some up for 145 Euro + 79 ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Fri May 21, 2021 9:38 am Subject: Round 1, Fight! |
I'm watching so keep it up!
Thanks! I've been busy on the car and sourcing parts so an update is due.
I goofed the final exhaust valve during disassembly of the head and didn't find out u ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Thu Mar 04, 2021 7:00 am Subject: Round 1, Fight! |
Title acquired and transferred into my own name! Let the spending begin! |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Sat Feb 20, 2021 9:15 am Subject: Round 1, Fight! |
Still hard at work here, I've put in around 20 hours since the last post cleaning and checking tolerances. So far nothing bad except warpage in the head and block. Block is within spec but this engine ... |
Topic: Exhaust manifold flange |
Alleycat_Joe
Replies: 5
Views: 3239
|
Forum: General Discussions Posted: Sat Feb 20, 2021 2:19 am Subject: Exhaust manifold flange |
I have been regarding wastegate flanges as an option since they are close to the right size for the turbo head. Not sure on the NA specs as I am new. A lot of elbow grease with a file or a little time ... |
Topic: BMW M10 Rod Bolts ARP 201-6304 |
Alleycat_Joe
Replies: 2
Views: 2830
|
Forum: General Discussions Posted: Sat Feb 20, 2021 2:04 am Subject: BMW M10 Rod Bolts ARP 201-6304 |
Considering I have found no sources for rod bolts, I'm looking at two options: ARP 275-6001 or off-the-shelf M10x1 Class 12.9 Allen Bolts with "High-Torque" 12 point nuts. ARP is rated to 22 ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Tue Jan 26, 2021 3:35 pm Subject: Round 1, Fight! |
...Measure carefully, then new rings/bearings/gaskets etc. Maybe consider a very light hone of the bores. Slight excessive piston to bore clearance can be taken up by ceramic coating the piston skirts ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Sun Jan 24, 2021 1:19 pm Subject: Round 1, Fight! |
Well Joe, you've done the hard work...Pull everything apart, check everything and rebuild as necessary.
Thanks, on it!
Here is the engine almost as it sat in the crate; I forgot to take pictures a ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Sat Jan 23, 2021 1:49 pm Subject: Round 1, Fight! |
Rasta, thanks for the tip. Although that didn't fix the problem, it's actually a part of the solution. I told the previous owner I wasn't going to wait on him to give me the title any more (I withheld ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Thu Oct 22, 2020 9:34 am Subject: Round 1, Fight! |
Sadly the restoration plans have been halted, due to the previous owner not coming up with the car's title. Without a title I can't register or drive the car on public roads. If the PO can't produce a ... |
Topic: Round 1, Fight! |
Alleycat_Joe
Replies: 31
Views: 25005
|
Forum: 931 Discussion Posted: Wed Sep 23, 2020 11:47 am Subject: Round 1, Fight! |
There are some interesting finds after some 931 diagnosis. Compression is 130 psi across cylinders 1-3 at five revolutions but lower on cyl 4. It reached 113 psi after both wet and dry compression tes ... |
|