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MackGuy MackGuy is offline
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Join Date: Nov 2012
Location: Lexington, NC
Posts: 123
MSD + Pertronix + Tach; best solution?

Hello all,

I'm just trying to plan out some of the more minor issues with my car that I'm hoping to upgrade/fix/repair in the somwhat near future.. Car is a CIS equipped 1973 911T

I want to upgrade from points to Pertronix in the very near future... I see Pelican offers an original and a "II" the II being about 50% more expensive, but purportedly better. Can anyone comment on the difference if it is worth the extra cost?

I currently have an old "blue" Perma-Tune that I'm hoping to eventually upgrade to a MSD 6A/L. Is the rev limiting feature redundant with the rev limiting rotor on the dizzy? Or is there any reason to believe the rotor limiting feature is unreliable?

I believe my tach currently needs to be rebuilt, it reads ~8-900RPM low. Rebuild is up to $180. If I get an MSD I need an $85 adapter for the stock tach... I can also get an Auto-Meter tach for ~$180 and presumedly not need the adapter. Can anyone confirm this and/or what Auto-Meter tach fits best in the stock dash?

MSD recommends to use their coil and Pertronix recommends to use their coil... If I have both MSD and Pertronix unit, what is the preferred coil?

Once I do all that, what are the best spark plugs?

Thanks!
Old 12-06-2012, 09:28 AM
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