Will getting a tune done while it is raining or with high humidity effect the tune? I am sure there will be some changes but is it major ones or does it not really matter?

 

I dont think rain will effect much as it tends to be cooler when it rains but a hot humid day would effect the whp you get on the dyno. Not sure if it will effect the actual tune just that youll get less hp on the dyno.

 

agreed i dont see it doing anything , id tune my in rain and not think twice

 

Only problem could be traction. When I was in the upper 300whp/wtq range I would break all 4 loose in the rain

 

^i'm in the lower 300whp/wtq range and i still lose traction, that might be the only factor to really affect the tune

 

just let it rip in the rain and drift while tuning lol

 

Oh yea I dont doubt it. It all depends on the tires you have and how much and quickly your torque kicks in.

 

The rain is a good way to tune your traction control