It is not uncommon for the rubber on the old harmonic balancer to shrink and
allow
the outer ring/timing mark to move. What is the condition of your balancer??
Brad
Mark Dent wrote:
> Ok here goes.
>
> I rebuilt my carbs and want to get them set right. I figured I might as well
> get the timing set right first. That was 2 weeks ago.....
>
> I have the motor at TDC. On the compression stroke. The notch in the pulley
> lines up with the mark on the cover. I put the distributor gear in with the
> slot at 11:25. Put everything together and get out the timing light. Here is
> where it gets strange.
>
> The best I can get with the timing light is about 40 degrees BTDC. Both the
> adjusting screw and bolt are loose. I have moved the gear a notch in both
> directions, not off a tooth.
> I am doing this with the vacuum line disconnected. What am I missing? Is
> there a way to set it without the car running so I can set it and then adjust
> the carbs?
>
> My distributor is a 7.5 one. R motor. Stock SU's
>
> Could the mechanical advance be kicking in? It is at a high idle....
>
> I thought this would be easy........
>
> Mark
> Baltimore MD U.S.A.
> 63 & 64 1500's 68 1600
> www.datsunroadsters.com
> www.roadster.org
>
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