What is an over rev on a Porsche?
Over-revs occur when you exceed the redline – there are 5 ranges progressively increasing from benign to potentially disastrous. Much has been written/discussed over the years. Obviously you didn’t get over-rev info on your car before you purchased – you may (or may not) already have some over-revs logged in your DME.
Can you over Rev A PDK Porsche?
Yes, cars with PDK can get over revs on range 1 and 2 (rare). Theoretically, dealers can NOT CPO a car with over revs 3 and above. Some dealers do it anyway to sell trade-ins.
What is over rev report?
An over rev is exactly what is says it is. It is one or many engine revolutions over or above the maximum number of engine revolutions per minute the engine manufacturer has deemed safe. They typically occur in cars that have manual transmissions on down shifts when the road speed and gear tooth ratio are not in sync.
What happens if you redline an engine?
After all, when redlined, an engine can sound like it’s about to blow. However, there’s no need to worry. Redlining will not damage an engine or cause it to explode, no matter how cruelly you treat it. Therefore, revving the engine to its maximum speed several times a week is not a problem.
Can revving your engine damage it?
Revving a car engine might sound cool, but it’s not the best idea for your car engine. It can cause additional wear and tear, car engine damage, waste gas, and isn’t good for the environment.
What causes an engine to over-rev?
Most often, over-revving occurs not because of a deliberate attempt to push a vehicle, but rather as a result of missing a gear while shifting. When a manual car accidentally downshifts, a rev limiter will not be able to react quickly enough to prevent the engine from over-revving.
Does Porsche have a rev limiter?
Porsche Engine Rev Limiting Systems Engine Rev Limiter systems started in the early Porsche 911’s as a mechanical sliding ignition rotor whose sole job was to cut power in the event of an engine RPM over-rev.
Can you rev a Porsche?
If you get a COBB with a PDK tune, the PDK tune will have the feature of pulling both paddles and being able to rev the car like the Perfomante.
What causes an engine to over rev?
What can happen if you redline your car?
Consistently redlining your car can cause serious damage to not only your tires, but also your engine. For those with manual-shift modes or manual transmissions, it can be quite easy to redline (whether on accident or on purpose) and eventually cause your engine to wear down prematurely.
What happens when you hit 7000 RPM?
“There’s a point at 7,000 RPMs where everything fades. The machine becomes weightless. It disappears. All that’s left, a body moving through space, and time.
What happens if I over rev my car?
Over-revving can cause damage to your valve train by causing a valve to stay open for too long – this leads to valve float. Valve float occurs when a valve is stuck in between open and closed. This will cause an immediate loss of power.
Will over-revving damage engine?
Why is my engine revs high without acceleration?
Fuel Filter Clogging Another reason for your car not accelerating on high RPMs, regardless of high RPMs or not, is a dirty or even clogged fuel filter. Fuel filters are installed in a car’s fuel system to filter out the dirt and the gunk in fuel.
Can you remove soft limiter on Porsche?
This electronic command module which limits the RPM quantity in order to save your engine from being damaged cannot be physically removed. To disconnect the RPM limiter from your car in a secure and optimal way, it is imperative to contact a professional mechanic or an automobile repair specialist in the field.
Can you over rev Tiptronic?
It is not possible to over rev the engine in a Tiptronic (automatic) transmission equipped model.
Should you ignore over rev data on a PDK transmission car?
*** Porsche dealers are advised by the manufacturer to disregard over rev data on all PDK and Tiptronic transmission cars when assessing a car for warranty provision.
What is the warranty provision on a Porsche?
The warranty provision is at the discretion of the importer and subject to the aforementioned compression/oil checks. *** Porsche dealers are advised by the manufacturer to disregard over rev data on all PDK and Tiptronic transmission cars when assessing a car for warranty provision.
What is the significance of an over rev?
The significance of any over rev can only be fully understood by considering it in relation to the total operating hours for the vehicle. In this instance the car has been used for a total of 2265.7 hours meaning the last rev range 2 activity occurred just 2.9 operating hours ago well inside our suggested 50 hour danger window.