nitto 555r 275/40/17's
last time out 50 deg
2.026
8.398
84.29

new times. I changed the intake from the lt1 fipk to the ls1 fipk.
temp upper 60's low 70's
1.951
8.373
83.57
and
1.853
8.264
83.69
I don't know if the intake helped or hurt the car. What do you guys think?

 

Seems like a wash. The ET that you gained was from the 60'. You lost a little MPH due to the temperature difference.

 

that is what I was thinking