MSD Ignition Timing - Moparts Forums

Register Log In Moparts Forums Moparts Question and Answer MSD Ignition Timing

Print Thread

MSD Ignition Timing #701321 05/18/10 02:34 PM 05/18/10 02:34 PM
Joined: Dec 2008 Posts: 27 Ca S speedy515 OP member
speedy515 OP member S Joined: Dec 2008 Posts: 27 Ca	I've been trying set initial spark timing with an MSD 6AL box installed. Instead of getting a single timing mark, I get what looks more like a step ladder with 4 marks. I've checked my timing light on other engines and its fine. I've had another light on it and had the same results. Someone mentioned to me that this is normal, as the MSD box is discharging multiple sparks hence M.S.D. If this is true, which mark do I use? or Is there a way to get a single spark/mark for this purpose? Thanks

Re: MSD Ignition Timing [Re: speedy515] #701322 05/18/10 03:05 PM 05/18/10 03:05 PM
Joined: Dec 2007 Posts: 7,759 So Cal HealthServices Why would you even post that?
HealthServices Why would you even post that? Joined: Dec 2007 Posts: 7,759 So Cal	When you raise the RPMs do you get only one timing mark? Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.

Re: MSD Ignition Timing [Re: speedy515] #701323 05/18/10 05:25 PM 05/18/10 05:25 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: Is there a way to get a single spark/mark for this purpose? Thanks If you're using a dial back borrow a regular light. If not using a DB check that the light connections are tight/solid. Still no go, I'm out of ideas live every 24 hour block of time like it's your last day on earth

Re: MSD Ignition Timing [Re: HealthServices] #701324 05/18/10 05:36 PM 05/18/10 05:36 PM
Joined: Dec 2007 Posts: 7,759 So Cal HealthServices Why would you even post that?
HealthServices Why would you even post that? Joined: Dec 2007 Posts: 7,759 So Cal	Reason I ask this is because with a lopey cam, very low idle, and/or when a timing chain is worn this can be common with some combinations at idle. The cam will go forward and back on the slack of the chain it has during idle and the timing will bounce up and down off of the balance weights giving you multiple flashes at different spots. If raising the rpms takes away the multiple flashes at different spots, this is what is happening. Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.

Re: MSD Ignition Timing [Re: HealthServices] #701325 05/18/10 06:29 PM 05/18/10 06:29 PM
Joined: Mar 2003 Posts: 571 Beaverton, OR, USA Alikazam super gas
Alikazam super gas Joined: Mar 2003 Posts: 571 Beaverton, OR, USA	I run an MSD ignition and have no trouble with a single timing event trigger on my timing light on my 360 at idle. I suggest you check it out at higher rpm as stated (about 2500-3000) and make sure it is going well. I've used dial/advance timing light as well as a standard timing light without trouble.

Re: MSD Ignition Timing [Re: HealthServices] #701326 05/19/10 01:14 PM 05/19/10 01:14 PM
Joined: Dec 2008 Posts: 27 Ca S speedy515 OP member
speedy515 OP member S Joined: Dec 2008 Posts: 27 Ca	When you raise the RPMs do you get only one timing mark? Quote: Reason I ask this is because with a lopey cam, very low idle, and/or when a timing chain is worn this can be common with some combinations at idle. The cam will go forward and back on the slack of the chain it has during idle and the timing will bounce up and down off of the balance weights giving you multiple flashes at different spots. If raising the rpms takes away the multiple flashes at different spots, this is what is happening. I haven't tried raising the RPM, your description above matches my engine. I'll give it a try this weekend. Thanks Speedy

Moderated by Al_Alguire, Hotwheelsjr, moparts, not_a_charger, RangerDan440, tboomer

Hop To

Powered by UBB.threads™ PHP Forum Software 7.7.1