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a pontiac · 10-20-2022, 07:54 PM

Had a miss, but only under load. Drive around pits no problem. Replaced everything we had with known good parts, except msd 7al box, tried good 6al and good coil cured miss. Msd repaired 7al box for less than $150. Of course, it is now the spare after buying a new box.

10-20-2022, 07:54 PM	#6
a pontiac Junior Member Join Date: Jan 2011 Posts: 65 Likes: 3 Liked 36 Times in 11 Posts	Re: msd 8251 Had a miss, but only under load. Drive around pits no problem. Replaced everything we had with known good parts, except msd 7al box, tried good 6al and good coil cured miss. Msd repaired 7al box for less than $150. Of course, it is now the spare after buying a new box.