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Tool Talk Discussion Forum

distributor

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ed1964

06-07-2007 19:59:15




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ok..once i have tdc on #1..i put distributor in with rotor pointing at #1 tower and are the points supposed to be open or closed?




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Kendall

06-08-2007 08:15:07




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 Re: distributor in reply to ed1964, 06-07-2007 19:59:15  
After setting the gap on the points, and #1 at TCD, rotate the distributer in the same direction the cam rotates so as to retard the timing and the points are closed. Now rotate the distributor the other way so as to advance the timing and the moment the points open is where you lock the distributor down. If you have every thing powered up, you can hold the center conductor of the coil close to metal and when you see a spark, you will know for sure. The coil sparks when the points open, not when they close. Now your timing is set at 0 degrees TDC. On my Super A, this is where I lock it down. The rest of the timing occurs in the distributer with the weights. Your engine may have different specs, but this will get you at a good starting point.

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Kendall

06-08-2007 08:22:51




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 Re: distributor in reply to Kendall, 06-08-2007 08:15:07  
PS- Like John said, make sure you're at TDC of compression stroke, not exhaust. You can tell by holding your finger over the spark plug hole and feel compression building up.



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John T

06-08-2007 04:45:21




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 Re: distributor in reply to ed1964, 06-07-2007 19:59:15  
Ed, Just one other note, when you get the No 1 cylinder up to TDC, make sure its the Compression/Power TDC NOTTTTT the Exhaust. Thats when the rotor tip should be lined up with the No 1 cap tower and the points just break open as Old the the others told ya..

John T



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Tom in TN

06-07-2007 20:38:12




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 Re: distributor in reply to ed1964, 06-07-2007 19:59:15  
Ed,

As old mentioned, you're just trying to get close to having the timing right. You are trying to get it close enough to get the engine started, and then you'll actually set the timing.

In answer to your question, you want to rotate the distributor so that the points just break at TDC of the #1 piston. So in your case, move the distributor as little as possible, to the spot where the points just ride up the cam lobe enough to open them.

Obviously, point gap should be set properly before doing this procedure.

Good luck,

Tom in TN

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arthur H

06-07-2007 20:20:00




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 Re: distributor in reply to ed1964, 06-07-2007 19:59:15  
just starting to openif you have a ohm meter you can tel real easy



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