SOHC.co.uk Forums > CB350/400
400F fork oil capacity question.
Laverda Dave:
Sorry Nigel, the thread was hijacked :(.
Back onto the subject......I had 10w grade in the Norton forks but was told to use 20w grade so I drained the old oil out and replaced it, I couldn't tell the difference! Maybe it was just old technology used in the construction of the dampers etc?
K2-K6:
We can cope with thread drift on here, unlike some forum it's part and parcel of our humour in day to day operations with old vehicles :) all good.
Yes to some of the older dampers having very little in the way of accurate valuing or control in hydraulic terms to be very responsive. Many didn't have much compression or none at all, just some on rebound to stop it being really bouncy, that's as I understand it. Some logic to that, but not to what we expect nowadays.
Anyone familiar with old Morris (BMC etc) type lever arm dampers will know that they got there much before Suzuki made their "killer" V-twin rotary damper, reputation destroying chassis ;D you could use beef dripping in those Morris type :) (that's a joke delta :) ) and find improvement by leaving the minced beef in there too ;D
McCabe-Thiele (Ted):
That takes me back doing a lever arm conversion on an old MG Sal0on I had - complete with suicide front doors, semaphore indicators & running boards.
K2-K6:
Some of that era is coming back into use Ted.
VW ID3 rear brakes, for example, are drums....closely resembling "minifins" if you used them.
Quite large diameter and so fairly high braking torque, they dont in reality need much heat management with regen braking strategy on them. Also advantageous is that they dont go rusty from lack of use, especially in Scandinavian climatic road conditions where rusting disc etc appear to be a vulnerability within a modestly driven vehicle.
TrickyMicky:
Good grief, you've all just hit a memory cell!! I worked for Brown Bros. motor factors until 1985, and I can still remember we kept a reasonable stock of BMC front dampers, somehow the part no. 8181 comes to mind. I clearly recollect Austin Cambridges and other badged equivalents coming down the road impersonating a yo-yo when the dampers were shot. Plus of course they could be fixed by Kerbside Motors Inc. Gearboxes played havoc with your ribcage though!! Happy Days eh?
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