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1/4 Drag Racing - Dialing in a Non-Performance car

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Hello, I just came back from Sonoma Raceway's Wednesday Night Drags this week. Its been years since I've dragged race and it felt nostalgic from my young Honda days :)

I brought a MS 75D on 21" Tires and Glass roof. I unloaded the car, re-torqued the wheels and set the tires to 43 PSI (they were still warm). I only had 3 passes on the afternoon :( but it was still fun. Wished I had more time to dial in the car; hence why I need some advise for the future!

1. Regardless of the car, are you guys getting better straight line performance on 19" or 21"? And at what tire PSI?
2. Being a Non-Performance car...does the MS get better launch times with Slip Start activated or OFF? I never saw the traction control light flash and I don't have Launch Mode.

Saw a couple of Performance 3s but only talked to one of the owners when he was looking for the tech lane. Both were hitting 11.6-11.7. I went with a couple of gas guzzling ICE cars (A rotary and a Honda powered Toyota) and I had to help them carry gas. Something felt really wrong about carrying gas in the Tesla :D

My 3rd Pass was the best, but I let off the accelerator at the end since it was Elimination Rounds for Bracket Racing. I still broke out and lost. *Look how dialed in my competitor was; 13.393 on a 13.39 (Late 90's Firebird)

Temp: Mid-70's
1/4: 12.788
MPH: 101.26
SOC: ~82%

Here's some pics to keep you interested and TIA for the help.

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I have some videos on my Instagram page.

Here was my three runs. 60' times were better each run, though my SOC% was getting lower/faster. It might have to do with track prep each time. Too bad I had to let off on my last run, I've would have like to see a 12.6 quarter mile time.

Anyone else have some time slips or advice?

Temp: Mid-70's

60': 1.976
1/4: 12.831
MPH: 102.87
SOC: ~88%

60': 1.933
1/4: 12.807
MPH: 102.56
SOC: ~85%

60': 1.903
1/4: 12.788
MPH: 101.26
SOC: ~82%
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