1987 Porsche 911 — clutch engagement changed after a long traffic commute
This started as a small annoyance and I finally decided to track it down. After a hot stop-and-go commute the clutch engagement point felt different, but it re…
Performance & Tuning
Performance & Enthusiast
2023 Audi S5 — first HPDE in a stock street car
I am doing my first beginner track day and do not care about lap records. Besides fresh brake fluid, enough pad, good tires and torque checks, what is truly ne…
2015 Volkswagen Golf — first HPDE in a stock street car — Raleigh owner
2015 Volkswagen Golf TDI, about 64,000 miles. I am doing my first beginner track day and do not care about lap records. Besides fresh brake fluid, enough pad,…
1987 Porsche 911 — 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…
2024 Audi Q5 — 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…
1972 Chevrolet C10 — conservative tune feels great — what should I log?
1972 Chevrolet C10, about 244,500 miles. I do not want to judge a tune only by how fast the car feels. Which parameters are worth logging periodically if the g…
Anyone else: 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…
RustBuilderCommunity StarterAug 30, 20262025 Honda Civic Sport Touring HybridHouston0 replies0 helpful
Civic tune reliability: what data should owners actually track?
2025 Honda Civic Sport Touring Hybrid, about 8,200 miles. There are plenty of tuned cars running around, but I'm more interested in long-term data than dyno nu…
PistonShopper69Community StarterAug 28, 20262025 Honda Civic Sport Touring HybridPhiladelphia0 replies0 helpful
2024 BMW i4 — 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…
2023 Mercedes-AMG C43 4MATIC — need advice: 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…
Anyone else: Tune transformed the car, but what should I log?
Running a conservative tune and the car feels great. I don't want to judge reliability by seat-of-the-pants though. Which parameters would you log periodically…
Civic tune reliability: what data should owners actually track?
2025 Honda Civic Sport Touring Hybrid, about 1,200 miles. There are plenty of tuned cars running around, but I'm more interested in long-term data than dyno nu…
Tune transformed the car, but what should I log?
Running a conservative tune and the car feels great. I don't want to judge reliability by seat-of-the-pants though. Which parameters would you log periodically…
2013 Chevrolet Silverado 1500 — lowering springs made the car nervous on rough roads
2013 Chevrolet Silverado 1500 LT, about 100,500 miles. Ride height looks right, but the car now feels busier over broken pavement.
WeekendDailyCommunity StarterMay 6, 20262013 Chevrolet Silverado 1500 LTConnecticut0 replies0 helpful
Question: 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…
BoostedRider9Community StarterAug 23, 20262016 Chevrolet Camaro SSBoston / New England2 replies0 helpful
2016 Chevrolet Camaro — intercooler before adding more boost?
2016 Chevrolet Camaro SS, about 144,500 miles. After repeated pulls the car softens as intake temperatures rise. Would you prioritize cooling before increasing…
Tune transformed the car, but what should I log?
2017 Nissan Altima 2.5 SV, about 96,000 miles. Running a conservative tune and the car feels great. I don't want to judge reliability by seat-of-the-pants thou…
Intercooler upgrade before adding more power?
2013 Infiniti G37 xS, about 118,000 miles. On repeated pulls I can feel the car soften as temperatures rise. Would you prioritize an intercooler before adding…
2007 Porsche Cayman — dyno numbers changed more than the car feels
2007 Porsche Cayman S, about 96,000 miles. Two dyno sessions on different days show a noticeable power difference, but the car feels the same. How much can tem…
Need advice: 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…
ColdStartCollector64Community StarterAug 19, 20262025 Honda Civic Sport Touring HybridLos Angeles0 replies0 helpful