Joined: Aug 2017 Posts: 746 Threads: 13
Reputation:
5
27-11-2020, 06:22 PM
(This post was last modified: 27-11-2020, 06:49 PM by dickie65.)
Hi ,
I have got eight of them with huge difference in section and weight.
I might even have a complete set of big end bolts out of all of them.
When I took an engine apart recently there were brass shims under the big end caps on some of the rods.
The crankshaft is intact as well !!! I have not had it crack tested though.
Jamie,
The Garden shed has given up two big end caps.
One at 75 grams ( it has been lightened )
One at 80 grams.
Sent me a message if an end cap will help.
Weigh your end caps and see if they are less than 80 grams with no shells.
Cheers Dickie
Joined: Aug 2017 Posts: 935 Threads: 22
Reputation:
10
Location: Near Cambridge, UK
Car type: 1928 tourer (mag type), short chassis Gould Ulster
Are you asking about white metalled or shell type rods?
Joined: Aug 2017 Posts: 746 Threads: 13
Reputation:
5
Jamie is after three bearing rods which I believe are all shell bearing type.
Joined: Mar 2015 Posts: 5,474 Threads: 231
Reputation:
67
Location: Scotchland
Early three bearing rods were white metal, the later ones, shells.
Joined: Aug 2017 Posts: 746 Threads: 13
Reputation:
5
Thank for the correction O Great Wizard of Austin.
I did have that suspicion but was not sure.
Joined: Oct 2020 Posts: 2 Threads: 0
Reputation:
0
Where on the rod is it considered safe to take material from, the big end lugs only?
Joined: Jun 2018 Posts: 519 Threads: 90
Reputation:
1
Thank you all for your replies and suggestions.
Dickie: thank you. I shall weigh the end caps tomorrow and get back to you. I did weigh them and the cap for the heavy rob was heavier than the others, but I cannot remember any of the weights.
Robert: I am looking for a shell type rod. The engine came with have three matching shell type rods and one which is white metalled. I am looking to replace the white metalled one. I do have a replacement shell type for it, but this is the rod which is heavy.
Regards,
Jamie.
Joined: Aug 2017 Posts: 746 Threads: 13
Reputation:
5
Hi Jamie,
I will take my Austin out for some Exercise and rummage in the spares pile for some rods.
I am pretty sure there is a complete three bearing crank and rods plus some odd rods and another three bearing crank.
I know that there is a large box of conrods about 20 kilos of them !!! Mostly two bearing as well as a pile of two bearing crankshafts.
Joined: Aug 2017 Posts: 3,418 Threads: 107
Reputation:
28
Location: Darkest Bedfordshire
Cranky, well there's the thing, spare metal is not abundant especially to the amount of 20-odd grammes.
If forced I would polish out any stress raisers or lateral grooves as this will make the rod stronger in the long run even if it removes a little thickness. If anyone has dot punched or worse still hacksawed numbering marks into the rod shank that's the first place I'd work on.
