How high can you rev your engine?
If you build an engine with top of the line components, (like one of ours), it can safely rev to 8,000 RPM, but it may peak it’s power curve at only 6,000 RPM. That’s all dependent on the heads, the cam profile, teh valve springs, the stroke, the exhaust system, the intake system, etc.
How high can a EJ205 Rev?
To directly answer your question, you can rev a stock EJ205/257, at 24 psi boost, to around 8700 without changing any parts. How many times it will do it is a different thing, but that’s right around where the motion inefficiency and valve springs give up.
Do Subaru engines rev high?
Yes Subaru programs the engine to rev high when starting from cold in order to warm it up faster, it will lower after driving then stoping again or once it reaches higher temps, this is because engines are beat run at optional heat, Therefore heating up faster is more desirable for longevity, performance, ext.
Is it bad to rev 4000 rpm?
Excessive High RPM While extremely low rpm and high loads will damage your transmission right away, sustained high rpm may damage it over the long run. High rpm means more wear on the bearings and oil seals, and quicker transmission fluid breakdown.
How do you make a car rev higher?
Lower piston speeds means less stress on the connecting rods and crankshaft as well as acceptable flame propagation speeds, allowing the engine to rev even higher. Also, by having a wider bore, you can have larger intake and exhaust valves, leading to better airflow at high RPM.
Is driving at 5k rpm bad?
You’ll be fine. The reason it’s so sluggish is that the transmission is programmed to save fuel so it’s always in a higher gear. Great for fuel economy, bad for performance. Depending on your speed, it could downshift 3 gears to get the performance you’re looking for.
Is cruising at 3k rpm bad?
Shouldn’t be a problem as long as everything is warmed up and fluids in good condition. You probably will get annoyed before the engine wear out.