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Old 05-02-2014, 08:25 AM   #1
Lew Silverman
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Default Re: Locked timing , yes or no

The timing of this post (no pun intended!) was perfect. I was just getting ready to lock the distributor on the 'wagon, but I think I'll keep the advance weights in it!
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Old 05-02-2014, 08:36 AM   #2
joespanova
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Default Re: Locked timing , yes or no

I have it locked in my car.......and it works just fine that way.
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Old 05-02-2014, 08:48 AM   #3
Dwight Southerland
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Default Re: Locked timing , yes or no

For those using a locked distributor or a crank trigger, you can also use one of the many ignition control boxes that have a built in retard circuit for starting. If you use mechanical advance, it will help to limit the amount of advance so that you have a lot of advance at idle to help engine idle quality with long duration camshaft. Seems like I had 10-12 degrees of advance in the distributor of my stocker so the fixed timing adjustment would be in the 24-30 degree range.
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Old 05-02-2014, 09:18 AM   #4
1320racer
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Default Re: Locked timing , yes or no

the start retards do not work, been there done that. Some have stated they pull too much timing out.

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Old 05-02-2014, 09:35 AM   #5
Dwight Southerland
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Default Re: Locked timing , yes or no

Quote:
Originally Posted by 1320racer View Post
the start retards do not work, been there don't that. So have stated they pull too much timing out.
Not necessarily true. There are lots of solutions on the market and every engine combination is different. It will pay to do research and talk to those who it works for. I agree that some work and some do not.
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Old 05-02-2014, 10:49 AM   #6
Ron Gusack
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Default Re: Locked timing , yes or no

Seems to me that the perfect advance curve would be beneficial to power gains through the rpm range and that the only real advantage to locked timing is a cleaner low rpm (driveability) car. If we want max pressure at a certain crank angle throughout the rpm range, don't we have to light the plug at various points? Maybe the rpm's are high enough and the rpm band is narrow enough that full advance is all that's needed going down the track. For my foot brake bracket car it seems like the correct curve would yield more power, but who cares about a little better ET in a bracket car?

Am I way off here?
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Old 05-02-2014, 11:15 AM   #7
Mike Pearson
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Default Re: Locked timing , yes or no

I use a crank trigger set up with MSD 7AL locked timing with an MSD retard module. The car starts perfectly. I did convert to a 16V battery this year and it makes a world of difference. The 16v battery seems to have picked my car up a bit too.
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