Congrats. Looks like they were coated on the inside too? Done locally or shipped out to one of the major coating companies?
You probably already know this but changing the headers is an opportune time to change the oil pan gasket too if it's old.
Thanks for the additional suggestions.2) A new o-ring for the oil pan pick up.
Yes - Number 19.
Jeez, that was fast! Was your pickup screen free of debris?
The place you're using looks like they know what they're doing and are taking some pride in their work. Even the shop itself looks neat and organized. From what I've seen over the years, very few places are like that unfortunately.
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Races entered</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">35</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Wins</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">17</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Podiums</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">28</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Pole positions</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">11</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Fastest laps</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">5</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Race win percentage</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">48.6%</small> |
<small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">Podium percentage</small> | <small style="box-sizing: border-box; font-size: 11.899999618530273px; border-top-left-radius: 0px !important; border-top-right-radius: 0px !important; border-bottom-right-radius: 0px !important; border-bottom-left-radius: 0px !important;">80%</small> |
. . . I am also sending an oil sample to Blackstone for analysis.
Update . . .
Had a track day June 14th and thought I'd share the results of the header upgrade. While most manufacturers claim certain HP gains or torque gains with their headers I think the real gains are the ones realized on the track where you can actually compare before and after lap times in order to evaluate real world performance gains.
In my case I lowered my lap time by almost 2 seconds (1:40.69 vs. 1:42.14) and increased my top speeds by almost 7 mph (114.0 vs. 107.4) on the back straight and over 7 mph (108.5 vs. 101.3) on the front straight of Portland Int'l Raceway. Note that my corner speeds were relatively the same. Hugely impressed with the gains the headers delivered. No other changes were made to the car.
IMO - probably the best "bang-for-your-buck" performance modification you can make to your 1991 - 1996 NSX.