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Charlie Yannetti · 08-08-2012, 10:03 AM

Hi Mike.. I went from a 7-AL2 to a 7-AL2 Plus last season.. I couldn't get the car to start as all off a sudden the timing would advance to the point that the starter couldn't crank the motor.. I took the Plus box out and put the old 7-AL2 back in and the problem was solved..

The 7-AL2 PLUS was supposed to retard timing during starting, but instead was advancing it.. but of course, MSD said the box was fine..

08-08-2012, 10:03 AM	#2
Charlie Yannetti Senior Member Join Date: Jan 2005 Location: Alpine, NJ Posts: 568 Likes: 188 Liked 192 Times in 83 Posts	Re: MSD, Timing Computers, and 16 Volts Hi Mike.. I went from a 7-AL2 to a 7-AL2 Plus last season.. I couldn't get the car to start as all off a sudden the timing would advance to the point that the starter couldn't crank the motor.. I took the Plus box out and put the old 7-AL2 back in and the problem was solved.. The 7-AL2 PLUS was supposed to retard timing during starting, but instead was advancing it.. but of course, MSD said the box was fine..