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Old 06-13-2010, 04:51 PM   #29
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I see. I would assume that it would be the same on my 1975 argosy.
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Old 06-13-2010, 04:52 PM   #30
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Also sFrom your picture where is the 4 mark? Now that I look at it closely it hard to tell if there is a 4 on there or what the increments are
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Old 06-13-2010, 05:02 PM   #31
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I see. I would assume that it would be the same on my 1975 argosy.
I would not make the same assumption.

My engine's timing is specified on the air cleaner housing on a GM sticker. Check your Argosy's housing for a similar sticker.

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Old 06-13-2010, 05:08 PM   #32
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No longer have that housing as I've Upgraded to a fuel injection system with custom plenum
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Old 06-13-2010, 05:37 PM   #33
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No longer have that housing as I've Upgraded to a fuel injection system with custom plenum
I would say that you should have taken notes, but pretty much "Not Stock=Not Stock Timing" anyway.

The fuel injection manufacturer may have some recommendations, but check out post 12 and 21.
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Old 06-14-2010, 12:20 AM   #34
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i have an old trick that doesnt even require a timing light or the vibration dampner .an old gear head told me to use a vacuum gauge and hook it up to a non ported vacuum outlet on your intake i used the one directly underneath the carb you attach the vacuum gauge then you adjust your timing to your highest vacuum reading then you drop it down about 5 to 8 pounds less than your highest reading that should put your timing right dead on perfect i did that to mine after i had the same problem you have with the dampner shift and mine runs like a raped ape now and gets better fuel mileage last trip i got a tad over 11 mpg dont want to say 12 but it was damn close and thats in a 32 foot 1985 southwind with 77k on it i live on the north coast of california and we have some pretty good mountains here so that kind of mileage is fantastic .anyway good luck
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Old 06-17-2010, 10:56 PM   #35
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Ok I just bought a timing light with digital advance settings. Removed plug number one and cranked engine until cylinder #1 came up to the compression stroke. Removed cap looked at rotor then rotated cap so it lined up with cylinder #1. reinserted plug and wire and cranked engine. Engine fired up and ran rough, used timing light and rotated cap until timing was zero. This is all being done with the vacuum advance disconnected and plugged. At this point I set timing light to 4 degrees advance and rotated cap to zero mark again, engine runs smoother and idled around 800rpm which is correct. Here's the problem, when I reconnect the vacuum advance the engine stutters and dies!!

Is there some electronic/mechanical bit inside that may have failed? BTW the cap and rotor are new. Base is old
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Old 06-18-2010, 07:56 AM   #36
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Like to try the vacuum meter way to set the timing.
should I give it some more advance becouse I'm using 110 octane fuel ( propane )
And will this have a possitive result on the milage

Thanks

Remco
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Old 07-20-2010, 08:20 PM   #37
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bought an adjustable timing light and attempted to set the timing. Set the timing to 4 degrees advance as instructed by my GM veteran mechanic. Then when connecting the vacuum advance back up the engine craps out and dies. Called my GM friend again and he suggested changing the ignition module. I did this and it immediately solved the problem. Im now carrying a spare! Anyways to make a long story short timing is now set to 4 degrees advance and the thing purrs like a kitten!

Thanks all.
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Old 11-03-2013, 06:20 AM   #38
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timing pointer

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Originally Posted by gmehal View Post
bought an adjustable timing light and attempted to set the timing. Set the timing to 4 degrees advance as instructed by my GM veteran mechanic. Then when connecting the vacuum advance back up the engine craps out and dies. Called my GM friend again and he suggested changing the ignition module. I did this and it immediately solved the problem. Im now carrying a spare! Anyways to make a long story short timing is now set to 4 degrees advance and the thing purrs like a kitten!

Thanks all.
i have been reading all the post about timing and my 454 is missing the lower pointer which explains why i can not use a light does anyone know where i can purchase one i can not seem to locate one i am sure someone has one some where i just can't find it!! Thanks!!!!
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Old 11-03-2013, 06:23 AM   #39
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Angry timing pointer

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bought an adjustable timing light and attempted to set the timing. Set the timing to 4 degrees advance as instructed by my GM veteran mechanic. Then when connecting the vacuum advance back up the engine craps out and dies. Called my GM friend again and he suggested changing the ignition module. I did this and it immediately solved the problem. Im now carrying a spare! Anyways to make a long story short timing is now set to 4 degrees advance and the thing purrs like a kitten!

Thanks all.
i have been reading all the post about timing and my 454 is missing the lower pointer which explains why i can not use a light does anyone know where i can purchase one i can not seem to locate one i am sure someone has one some where i just can't find it!! Thanks!!!!
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Old 11-03-2013, 09:02 AM   #40
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Go to Summit Racing
Then search "timing pointers". There are many choices!

Also RockAuto.com or J.C. Whitney!
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Old 11-20-2013, 08:12 PM   #41
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Result?
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