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Just my opinion ...but to be really useful you need to be able to data log rpm with A/F. I have one in my car and if I just watch the gauge... its all over the place...it can help...but you really need to be able to data log to get a lot of useful info out of it.

That being said...I like my LM1




I run the same deal and although I don`t download and play back, it`s still a valuable tuning aid especially street driving.


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....