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At your power level and with the A10's gearing, you need a drag radial to put the power down consistently. You're asking a lot of those all seasons. With a lot of practice and immaculate track prep, they may do ok but for most people at most tracks, you're just going to spin or have t/c pull...

Congrats! Welcome to the N/A 10-second club! That looked like an awesome pass, solid 60'. Nice work on the build. I'm looking forward to seeing what the cams do for you next season.

Looks fantastic! Good luck on the 10!

I may have missed it but was was the DA (density altitude) on the day and at the time you ran? If your slip doesn't show it, what track, day, and time was your run? You can look up DA for your track, day, and time at airdensityonline.com. An '18 A10 with 3.55 gear on a rear tire should be in...

If there is a gas station very close by, you could just drive to the gas station with a few quarters and air them up after the track visit.

They dyno'd it in 5th gear. 1:1 is 7th. That will throw off the numbers.

I checked your video and I have a few suggestions. You need a longer burnout. If you don't have friends/family with you to help tell you when they are smoking/warm, then check for smoke in side view mirror. You need more than a sub-2 second burnout with your setup. Check my video below. I had...

Sorry for the delays guys, I had some stuff come up and I haven't been paying much attention here lately. List is updated.

Great times! Can't wait to see a full pass! What rear gear is in the 9"?

Really healthy numbers both before and after the tune, especially on a DD Dyno. Was the closed lid JLT on there before the tune or did it go on with the tune and e85? I have wrestled with the idea of an aftermarket CAI but I'd want to keep a closed lid type in the Texas heat. I just haven't...

When we had a local 1/4 mile dragstrip, I had the Steeda X on as data I had seen shows more upper RPM RWHP and that is what I was after. I really liked the sound with the AE as well. Quiet mode was fairly quiet. A bit more raspy than I cared for 6000+ RPM but it screamed! I also have the...

Thank you for sharing the data. So for US conversion, 12rwhp gain just removing the cats on an otherwise stock euro-spec 2015-2017 GT with a cat back.

What was the DA?

Awesome times! You'll get that 10 next time, 11.00 is so painfully close! Great work!

Agreed as well. Cars can vary but my best times have been when leaving around 2000 RPM foot-breaking with the stock TC.

I lucked out that I found my 2019 GT premium with nav, active exhaust, A10, 3.55 gear, and blackout package dealer discounted to $38K (had 4 miles on it when I test drove it) in December 2019. Downside, it came with a dealer-installed slight infestation of brown and black widow spiders under the...

List has been updated. @Cory S, welcome to the top 10!

Cliff's notes: On a stock car, a few RWHP maybe. Back-to-back dyno pulls can vary from one pull to the next all things staying the same by 5+ RWHP which is enough to potentially mask any true gains had or make them out to be more than they are. If a stock GT makes 410-420 RWHP, I can't see any...

When you stall it up (~2000 is max I can get without pushing forward), can you tell why it slows down? Wheel spin, bogging, etc?

Great pass! That was definitely a huge improvement!