Looking for recommended gauges and sensors to aid in tuning of current setup but with the goal of going to MS3 very soon.

Car is:
99 Miata with TDR m45
PowerCard
TDR timing retard box
Diy methanol/water injection

Currently purchased an AEM Wideband but have yet to install, I will have another bung welded in rather than replacing stock o2 as I can't simulate narrowband with the AEM. What would be the best place to have the bung welded, before or after factory o2 loaction?

Not sure if I should purchase an EGT gauge as well, from reading other posts here egt isn't an accurate way of effectiveness of methanol/water. Would it be more beneficial with MS to aid in tuning? Also any particular gauge requirement? Any recommended gauges for this?

Any other gauges or sensors I should be looking at aside from boost of course.

 

I would do nothing till you get a real ecu.

 

Going to be ordering MS with the 10% off coupon they have going until the 2nd.

Just curious as to what sensors would be beneficial to tuning it, now going to use air just to retard timing to a safe place. For instance would the egt be beneficial to the tuner or does cost outweigh the benefit with the limitations of the m45?

I will me doing maf delete withbthe MS as well.