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Timing For Single Weber CU engine
Posted: 13 Sep 2013, 13:59
by LeeCarey
I have a camper which in the past has been fitted with a single Weber carb conversion and I have just had the need to fit a new distributor because it had become faulty (071905205). The engine now starts fine but I want to make sure that the timing is correct. Having read the Wiki etc. I am a little confused as to what the timing should be set to as I understand that the carb fitted could effect the settings.
Any help would be appreciated
Lee Carey
Re: Timing For Single Weber CU engine
Posted: 13 Sep 2013, 14:16
by bigherb
The carb doesn't affect the timing the type of distributor does and how the vacuum advance/retard is plumbed in.
Re: Timing For Single Weber CU engine
Posted: 13 Sep 2013, 18:45
by kevtherev
You may be confusing mixture settings with timing settings.?
Re: Timing For Single Weber CU engine
Posted: 14 Sep 2013, 10:37
by LeeCarey
https://club8090.co.uk/forum/posting.php ... 7&t=123023#" onclick="window.open(this.href);return false;
It has a single vacuumn pipe for advance.
I guess I will bypass stabiliser unit and set it for around 7 degrees @ 850rpm with vacuumn pipe disconnected, as a starting point.
Thanks for replies
Lee
Re: Timing For Single Weber CU engine
Posted: 14 Sep 2013, 16:09
by bigherb
LeeCarey wrote:
It has a single vacuumn pipe for advance.
I guess I will bypass stabiliser unit and set it for around 7 degrees @ 850rpm with vacuumn pipe disconnected, as a starting point.
That's the correct timing for single vac, actually 7.5 deg then check the maximum advance over 3500 rpm normally 25-28 deg maximum of 32 deg.