Re: [Healeys] HD8 Su's

[William Atterbury via Healeys <healeys@autox.team.net>]

Hmmm.  Wonder if the return valve on the dashpot damper is sticking?  Thatâ??d 
pretty quickly pump out the oil.

Bill 
3xHS4

For the SU experts ..
Have posted about this problem before? - and no, it has not gone away.Bought 
new (not rebuilt) HD8 carbs from SU/Burlen about 7k miles ago.Problem is 
excessive use of damper oil.Have to top up about every 1.5 tanks of gas 
usage.Ultra careful about filling properly and to feel resistance about 1/2 in 
above the thread.Have tried all grades of oil from 20 wt to thick gear oil with 
no change apart from accel. response times. Currently using SAE 30 nd.SU have 
no real ideas either.They are encouraging me to purchase new dampers - pn AUC 
8112HB ... pricey too.
I am not convinced that will solve it but will do so.
There is some very minor scuffing on the valves. See photo.The pistons drop 
freely and there is the classic clunk when raised 1/8 in.
Perhaps this is normal ? maybe other owners don't check their dashpots as 
frequently ? heavier springs to limit movement ?
any ideas as to what gives most welcome ?rg
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