Posted by El Toro on September 29, 2010 at 18:46:23 from (108.3.200.96):
In Reply to: Cranking up my '39 A. posted by Enar on September 29, 2010 at 17:04:04:
You should pull the sparkplugs and pour some engine oil on top of the pistons, then crank over the engine a few times then, reinstall the plugs and see if will start. If it won't start hold your hand over the throat of the carburetor and see if you have much suction. You will need a helper to crank the engine. Make sure its out of gear too. You need good suction which is your intake manifold vacuum to pull that fuel into the engine.
Did you pull the mag? If you did your mag not be in time. An easy way to check that is bring No1 piston near the radiator to TDC on the compression stroke. You will need to remove No1 plug and hold your thumb over the plug hole while someone cranks the engine. Once you feel pressure against your thumb drop a long plastic straw on top of the piston and you watch the straw rise as your helper slowly cranks the engine. When the straw quits rising your No1 piston should at TDC on the compression stroke. Pull the mag's cap and see where your rotor is pointing. It should be pointing to the No1 plug tower which is around 1 o'clock. Here's the firing order. Hal
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