2022 BMW X3 — intercooler before adding more boost?
After repeated pulls the car softens as intake temperatures rise. Would you prioritize cooling before increasing boost, even if the current setup is otherwise…
Performance & Tuning
Performance & Enthusiast
2021 Nissan Rogue SV — question: Square wheel setup on a car that came staggered
2021 Nissan Rogue SV, about 8,200 miles. Thinking about moving to a square setup for tire rotation and track use. Besides fitment, what handling changes should…
2024 Chevrolet Corvette — dyno numbers changed more than the car feels
Two dyno sessions on different days show a noticeable power difference, but the car feels the same. How much can temperature, correction method, tire pressure…
TireSeller915Community StarterJul 2, 20262024 Chevrolet Corvette Stingray Z51Seattle4 replies0 helpful
Question: Civic tune reliability: what data should owners actually track?
There are plenty of tuned cars running around, but I'm more interested in long-term data than dyno numbers. If you were maintaining a reliability log, what wou…
EcoPilot86Community StarterJun 30, 20262025 Honda Civic Sport Touring HybridSan Diego6 replies0 helpful
2016 Subaru WRX — clutch engagement changed after a long traffic commute
2016 Subaru WRX STI, about 37,500 miles. After a hot stop-and-go commute the clutch engagement point felt different, but it returned to normal later.
2024 Audi Q5 — clutch engagement changed after a long traffic commute
After a hot stop-and-go commute the clutch engagement point felt different, but it returned to normal later. No slipping at full throttle. What would you inspe…
2018 Mercedes-AMG C63 — dyno numbers changed more than the car feels — buyer question from Cleveland
2018 Mercedes-AMG C63 S, about 135,500 miles. Two dyno sessions on different days show a noticeable power difference, but the car feels the same. How much can…
2018 Infiniti Q50 — clutch engagement changed after a long traffic commute
2018 Infiniti Q50 Red Sport, about 140,500 miles. After a hot stop-and-go commute the clutch engagement point felt different, but it returned to normal later.
Question: Intercooler upgrade before adding more power?
2020 Audi Q7 55 TFSI, about 14,500 miles. On repeated pulls I can feel the car soften as temperatures rise. Would you prioritize an intercooler before adding m…
2024 Ford F-150 — conservative tune feels great — what should I log?
2024 Ford F-150 Lariat 3.5 EcoBoost, about 18,500 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging perio…
PistonDIYer475Community StarterJun 21, 20262024 Ford F-150 Lariat 3.5 EcoBoostMiami10 replies0 helpful
1972 Chevrolet C10 — conservative tune feels great — what should I log? — Cleveland owner question
I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if the goal is catching fuel, knock, boost or tem…
Intercooler upgrade before adding more power?
On repeated pulls I can feel the car soften as temperatures rise. Would you prioritize an intercooler before adding more boost, even if the current setup is ot…
2022 BMW X3 — conservative tune feels great — what should I log?
I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if the goal is catching fuel, knock, boost or tem…
2022 Ford Maverick — conservative tune feels great — what should I log? — anyone dealt with this recently?
2022 Ford Maverick XLT Hybrid, about 56,000 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodicall…
2016 Chevrolet Camaro SS — square wheel setup on a car that came staggered
2016 Chevrolet Camaro SS, about 1,200 miles. Thinking about moving to a square setup for tire rotation and track use. Besides fitment, what handling changes sh…
2023 Audi S5 Sportback — anyone else: Intercooler upgrade before adding more power?
2023 Audi S5 Sportback, about 22,000 miles. On repeated pulls I can feel the car soften as temperatures rise. Would you prioritize an intercooler before adding…
2024 BMW i4 — conservative tune feels great — what should I log?
2024 BMW i4 eDrive40, about 16,000 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if the…
OldSchoolWeekendCommunity StarterJun 10, 20262024 BMW i4 eDrive40Northern Virginia7 replies0 helpful
2015 Volkswagen Golf — conservative tune feels great — what should I log? — trying to narrow this down
2015 Volkswagen Golf TDI, about 91,000 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if…
2015 Volkswagen Golf — conservative tune feels great — what should I log? — second opinion before I spend money
2015 Volkswagen Golf TDI, about 110,500 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if…
2021 Nissan Rogue SV — question: Square wheel setup on a car that came staggered
Thinking about moving to a square setup for tire rotation and track use. Besides fitment, what handling changes should I expect on a car calibrated around stag…