Bill
A new cam will mean that the carb setting will need to be different. But
first, make sure you've got the vacuum lines sorted out, because it
sounds like you're running way lean (which could be caused by a leaky
vacuum connection).
Chris K
Bill Mantz wrote:
>
> The 1275 Midget is finally back together. Started it for the first time
> last night, ran it 20 minutes while breaking in the new 270n Kent cam. I
> seem to have several small problems. Although I am positive I set the
> timing correctly, it will only start when I rotate the distributer to
> the left. At that point, it starts and runs, doesn't miss, but
> occasionaaly backfires through the carbs. A short test run today proved
> that the timing is definately off, backfiring, no power and pinging. It
> will also run only with the choke fully on, although I did noting to the
> carbs. If I start the engine, correct the timing using a light, and the
> lower the rpm by decreasing the choke, it starts to backfire. I'm not
> sure I have the vaccum advance hose connected correctly. Any
> suggestions?
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