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voltdr · 07-26-2010, 09:15 PM

I run the 75301. This has the built-in data logger. I didn't do a back to back comparison. You can use any type of bulb for the shift light. The box just sends out a ground to activate the lamp. I have been wanting to try the big-end retard but haven't been able to make myself test with it. I like that you can put the retard back in over a time curve rather than just all at once. I love being able to have different set-ups in the computer for bracket racing, SC, hot tracks etc. You just load the program with all of the settings you have saved. No more chips to set up your rev limiters, just use your laptop. I wouldn't go back. Hope this helps.

07-26-2010, 09:15 PM	#2
voltdr Senior Member Join Date: Jan 2008 Location: Texas Posts: 706 Likes: 77 Liked 100 Times in 51 Posts	Re: msd Digital 7 ignition I run the 75301. This has the built-in data logger. I didn't do a back to back comparison. You can use any type of bulb for the shift light. The box just sends out a ground to activate the lamp. I have been wanting to try the big-end retard but haven't been able to make myself test with it. I like that you can put the retard back in over a time curve rather than just all at once. I love being able to have different set-ups in the computer for bracket racing, SC, hot tracks etc. You just load the program with all of the settings you have saved. No more chips to set up your rev limiters, just use your laptop. I wouldn't go back. Hope this helps.