During a trackday @ Vålerbanen June 7. my 2.0 suffered a piston failure on cylinder #4. Not sure what caused the damage based on the data and the resulting damage....
My GWR 2.5” midpipe was put on the shelf some years ago as it started to have terrible resonances between 3-4K and generally too boomy for any kind of driving....
This trackday was a blast. Not that many cars in the R-session. Nice weather and a good mix of cars and nice people. Managed several sub 1:40 laps. I was...
Porsche has some really well engineered stuff on their cars like their hood vent but also their brake ducts which scoops up air from under the car and channels it...
I never understood why Mazda moved the battery to the engine compartment on the NC vs. the NA/NB where it was nicely tucked away in the trunk. They also managed...
During full attack for 10+ laps at the track in hot weather I see the intake air temperature touch 100C(!). It starts at around 60C on a 20C day but...
Ever since I got my ECU flashed back to the stock map my OEM fuel level sensor started to malfunction. It shows 1/3 full when the tank is empty.There is...
The last two seasons I have been pushing harder than ever on the track resulting in lower lap times with basically the same engine power. More optimal driving results in...
January 2018 the user whalesac on miata.net posted a very detailed post on using the Chrysler 74mm drive by wire throttle body as a replacement for the stock 60mm unit:...
As I outlined in this post I want to optimize the intake for better flow and hopefully lower initial IAT measured at the air box. The stock setup is actually...
I attended a trackday on Sunday held by trackday.no Weather forecast was not good with rain and damp track until 16:00. Driving in the rain is getting old. There is...
5 years ago I purchased a “carbon wing” with generic mounts and uprights. https://www.mazdaspeedy.com/https—www-mazdaspeedy-com-2014-08-rear-wing-project-html/ I never got the time to finish my new uprights due to other projects and...
My AEM Infinity logs from my last trackdayshowed IAT peaking 100C which was 75C more than ambient that day. Crazy.. I know the MP62 is not the most efficient blower...
The stock NC intake is pretty good from factory. Inlet is in the front right corner above the radiator into a muffled intake snorkel that travels across the front into...
My Odyssey PC680 started to fail last season. Gradually lost power and took a long time to charge. I believe it was in the car for 3 years. Not that...
I ended 2018 by setting a blistering 1.37,8 lap time on my local track Rudskogen. Grenaded two engines that summer so I really needed a bit of win at the...
Follow up on the earlier blog post where I measured the backpressure on the OEM exhaust I now have some data for two new setups, both with the OEM rear...