I was gonna go try some 60-130 runs.

Lets say I did 2 runs back to back. Would my 3rd and 4th run be a lot slower due to heat soaking?

intake/exhaust/ecu flash are my mods. Stock intercoolers.

 

Depends to some extent on the outside temperature. Is it still above freezing in Calgary?

The best way to find out, and a good idea in general, is to log data with a Durametric for all the runs. One of the variables that you can record is inlet air temperature. This will give you a good indication of how effective your intercoolers are with your current mods.

 

Ya it's well above freezing. I'd be doing the runs at about 15 degrees Celsius.

 

You will get some heat soak and from experience, my guess is your runs will get slower by a couple tenths at a time. When I added 100% meth, my runs were within a tenth even after 4 or 5 runs in the muggy New England heat.