Quick Timing by Hand - Advice Needed
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Laughing Gas
Joined: Oct 2007
Posts: 773
Likes: 1
Quick Timing by Hand - Advice Needed
Picked up a truck with a 292. Had to replace the distributor with another stock one I had to get it running. It runs decent, but it needs to be timed.
How can I do this quickly by hand? I don't have my timing light around.
Which way do I turn it (counter-clockwise or clockwise) to advance or retard?
How can I come real close to optimal timing just from turning the distributor by hand?
What should I be listening for?
How can I do this quickly by hand? I don't have my timing light around.
Which way do I turn it (counter-clockwise or clockwise) to advance or retard?
How can I come real close to optimal timing just from turning the distributor by hand?
What should I be listening for?
Tuned
Joined: Mar 2007
Posts: 317
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From: Sabin, Mn
if i remember correctly from when i swapped my distributors a few monthes ago, you turn the advance canister toward the rad(clockwise) when the canister is facing the drivers side. listen to how the motor runs. it should load just a tad as you rotate the distributor toward the radiator(clockwise).
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Laughing Gas
Joined: Oct 2007
Posts: 773
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I think I read somewhere that I should keep turning it clockwise in small increments until pinging is heard on full acceleration on the highway. Then just back it off a little and it should be good to go.
Is it fine to do this?
Is it fine to do this?
Postmaster
Joined: Jul 2003
Posts: 2,688
Likes: 4
From: Southern Oregon
Originally Posted by matt2491
I think I read somewhere that I should keep turning it clockwise in small increments until pinging is heard on full acceleration on the highway. Then just back it off a little and it should be good to go.
Is it fine to do this?
Is it fine to do this?
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Laughing Gas
Joined: Oct 2007
Posts: 773
Likes: 1
Yeah, I've already done all that. The motor runs, it just needs to be timed. What I'm asking is, with the motor running, and the vacuum advance line blocked off, should I turn the distributor clockwise in increments until I hear pinging at full acceleration while driving around, and then just back it off a notch and be done with it?
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Laughing Gas
Joined: Oct 2007
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Freshman User
Joined: Jan 2004
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Static timing
Here's the poor man's timing light method. Rotate the crankshaft until the timing pointer coincides with about 6 or 8 degrees Before Top Dead Center on the compression stroke for #1 cylinder. Attach a test light between the distributor lead on the coil and a good ground. Turn the ignition key to the on position. If the light is illuminated, rotate the distributor until the light goes out (either direction). If the light is already not illuminated, you're good to go.
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Laughing Gas
Joined: Oct 2007
Posts: 773
Likes: 1
That's brilliant, thanks for the trick!
Might I ask, how accurate is this method? It seems like a pretty precise technique since you are turning the distributor to EXACTLY 6 to 8 degrees (right when the bulb goes out)...
Might I ask, how accurate is this method? It seems like a pretty precise technique since you are turning the distributor to EXACTLY 6 to 8 degrees (right when the bulb goes out)...
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Laughing Gas
Joined: Oct 2007
Posts: 773
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I've never heard of that technique, but I would think that it would be very inaccurate since the engine could really be anywhere in a whole range of timing degrees and the water could possibly be stable.
Postmaster
Joined: Jul 2003
Posts: 2,688
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From: Southern Oregon
I use a technique similar to RCAs. Set timing at 8 degrees. turn on ignition, and then rotate distributor until points barely open shooting a spark across them. It usually takes 3 or 4 trials and is pretty accurate, working well for an initial startups.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
I just listen for the 'tick' as the points open & close. Set at 8 or your preference, retard the timing by rotating the dist opposite the pull of the vacuum advance until the points close. Rotate the opposite way until the points 'tick'. You are now at 8 or whatever. Given that you have taken all the slack out of the timing chain by rotating only in the proper direction when aligning the timing marks.
tom
tom