How often do you redline your cars?
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I don't redline too often, but I do plenty of WOT runs to about 5k RPM on the Focus.
Mazda gets a pretty good workout from my wife everyday because she's got a lead foot, but she doesn't redline the car.
Mazda gets a pretty good workout from my wife everyday because she's got a lead foot, but she doesn't redline the car.
Focus depending on my mood 4 or 5 times a week. With the egr disabled and no ping that old 2.0L sohc has a different sound to it. The Escape once a month maybe or whenever I drive it. Most of the times it's with the family. My boys love it when I put the pedal to the floor.. that can't be good!
Sometimes about once a day, at least every couple days. Really depends though.
I more or less consider factory set shift points on an automatic the redline. every auto car ive owned shifted 3-500rpm off the actual redline, which i consider close enough.
the RX8 runs a little sluggish if i putt it around at 3k rpm for a while. it runs best if i take it to -500rpm off of redline a few times on every drive, which is 8500. 9k is the redline with 9200 the fuel cut off. my commutes are 50+ miles one way.
I am one that agrees that revving and engine out is the best way to keep it healthy. The engine must ALWAYS be up to operation temperature, however.
the RX8 runs a little sluggish if i putt it around at 3k rpm for a while. it runs best if i take it to -500rpm off of redline a few times on every drive, which is 8500. 9k is the redline with 9200 the fuel cut off. my commutes are 50+ miles one way.
I am one that agrees that revving and engine out is the best way to keep it healthy. The engine must ALWAYS be up to operation temperature, however.
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Never...unless some unforeseen emergency situation were to arise, I simply have no need nor desire. I also take very good care of my vehicles. I want them to last a long time and not need repair from harsh driving. The vehicles I drive are not designed to be driven at super high rpm's such as a race/track vehicle. I know many out there have those stories we all hear about like... "the brothers friends uncle always drives his car to redline every day....and it runs like a top and has lasted 250,000 miles". Common sense tells me otherwise....but I won't argue about it as as long as I am paying for my own vehicles and others are doing the same. Who cares.
one in a while, but most my v8 dont need get to redline to fell the torque
Not really, I try to get the engine to spin above 3-4,000RPM sometimes. The shift patterns on the 4l60e keeps the rpms really low (below 1800rpm under normal stop-n-go driving.) You'd be in forth gear at 30mph with the engine rpm at around 900.
Originally Posted By: dparm
Every time I drive it. It's hard not to -- the car is made for it.
Absolutely. My peak power isn't as high as yours but I still need 6200 to feel peak hp so this girl gets the boot quite often.
No way will you hurt any modern engine except by downshifting too early, and that will only happen with a stick shift. Rev limiters are standard now in anything, and prevent any over revving, so all the easy drivers can relax, too!
Every time I drive it. It's hard not to -- the car is made for it.
Absolutely. My peak power isn't as high as yours but I still need 6200 to feel peak hp so this girl gets the boot quite often.
No way will you hurt any modern engine except by downshifting too early, and that will only happen with a stick shift. Rev limiters are standard now in anything, and prevent any over revving, so all the easy drivers can relax, too!
A lot of talk about red lining a car and the pro's and con's to the engine. How about an automatic transmission? Lets say you find an open stretch of road that is unoccupied and you're cruising along at 60 mph and punch it out. How about the transmission dropping to a lower gear and hitting red line in the lower gears, what is the impact on the transmission? I'm more concerned about an automatic transmission, I don't worry much about a stick, but an automatic, that's another story to me.
Once in a while, usually on my way to work. It blows out the carbon.
One time the Production Manager was right behind me, oops!
One time the Production Manager was right behind me, oops!
My autotragic MDX rarely since the silly car never does it. It always shifts itself just short of it. At least it never hesistates to do it with VTEC roaring put down 300HP.
Our Legacy GT wagon is manual and occasionally when full throttle acceleration needed into traffic as the turbo motor is a bit of a spring. It builds RPM's slowly and once hitting boost around 2800 RPM it climbs extremely quickly/rapidly thankfully with a nice punch. It will actually cut the fuel and jerk a bit at redline if you don't watch the tach.
The Subaru is a nice motor that is not harsh at upper end so by audio/vibration you cannot tell an upshift really. However with 160k miles I try at all costs to not do it as my wife absolutely loves the car and would not hesistate to drop $4-5k into the engine if it stopped working.
Our Legacy GT wagon is manual and occasionally when full throttle acceleration needed into traffic as the turbo motor is a bit of a spring. It builds RPM's slowly and once hitting boost around 2800 RPM it climbs extremely quickly/rapidly thankfully with a nice punch. It will actually cut the fuel and jerk a bit at redline if you don't watch the tach.
The Subaru is a nice motor that is not harsh at upper end so by audio/vibration you cannot tell an upshift really. However with 160k miles I try at all costs to not do it as my wife absolutely loves the car and would not hesistate to drop $4-5k into the engine if it stopped working.
S2000: whenever I drive it, multiple times
TSX: 2-3 times per week
MDX: sometimes when I drive it, my wife doesn't. Not for nothing but the J37 in it has an incredibly awesome sound under WOT, it thinks it's a V8.
TSX: 2-3 times per week
MDX: sometimes when I drive it, my wife doesn't. Not for nothing but the J37 in it has an incredibly awesome sound under WOT, it thinks it's a V8.
I'm not sure I've ever bounced off the rev limiter. 500-1000rpm from it, sure. But never ran into fuel cutoff.
While high rpm makes for high forces on wrist pins and the like, I'd think low rpm lugging under high load would be worse. Usually (?) high rpm means low load--we're all talking about running through the gears quickly (I think).
While high rpm makes for high forces on wrist pins and the like, I'd think low rpm lugging under high load would be worse. Usually (?) high rpm means low load--we're all talking about running through the gears quickly (I think).
I can't remember the last time I did that in truck. I have exhaust problems currently, so don't wish to leave anything on the road for people to run over.
The Prius C I run hard several times per week. It's pretty uneventful, but it does scoot when I mash the gas.
The Z28, on the other hand, is hard to find a place to do it without looking like some punk kid in a Civic with a wing cobbled on. I don't drive it much, but when I do i take that loooong way to work. There's a long highway entry ramp that just begs for it. It usually gets to about 85 at the entry sign and is still pulling way strong. The Prius struggles to get to 62 by that point.
The Prius C I run hard several times per week. It's pretty uneventful, but it does scoot when I mash the gas.
The Z28, on the other hand, is hard to find a place to do it without looking like some punk kid in a Civic with a wing cobbled on. I don't drive it much, but when I do i take that loooong way to work. There's a long highway entry ramp that just begs for it. It usually gets to about 85 at the entry sign and is still pulling way strong. The Prius struggles to get to 62 by that point.
Once before every oil change
Originally Posted By: Mr_Incredible
The Z28, on the other hand, is hard to find a place to do it without looking like some punk kid in a Civic with a wing cobbled on. I don't drive it much, but when I do i take that loooong way to work. There's a long highway entry ramp that just begs for it. It usually gets to about 85 at the entry sign and is still pulling way strong. The Prius struggles to get to 62 by that point.
The Z28 should be good for 150+ mph if you keep the gas mashed long enough. At 85, it's just clearing its throat getting ready to really sing.
The Z28, on the other hand, is hard to find a place to do it without looking like some punk kid in a Civic with a wing cobbled on. I don't drive it much, but when I do i take that loooong way to work. There's a long highway entry ramp that just begs for it. It usually gets to about 85 at the entry sign and is still pulling way strong. The Prius struggles to get to 62 by that point.
The Z28 should be good for 150+ mph if you keep the gas mashed long enough. At 85, it's just clearing its throat getting ready to really sing.
Originally Posted By: demarpaint
A lot of talk about red lining a car and the pro's and con's to the engine. How about an automatic transmission? Lets say you find an open stretch of road that is unoccupied and you're cruising along at 60 mph and punch it out. How about the transmission dropping to a lower gear and hitting red line in the lower gears, what is the impact on the transmission? I'm more concerned about an automatic transmission, I don't worry much about a stick, but an automatic, that's another story to me.
Since there are no reciprocating parts, for the most part a trans either auto or manual doesn't care... It is fairly easy to blow a clutch by downshifting to 1st at high speed... If the clutch doesn't blow and it's reengaged, the engine will likely suffer valve train damage or maybe kick a rod out the side of the block...
A lot of talk about red lining a car and the pro's and con's to the engine. How about an automatic transmission? Lets say you find an open stretch of road that is unoccupied and you're cruising along at 60 mph and punch it out. How about the transmission dropping to a lower gear and hitting red line in the lower gears, what is the impact on the transmission? I'm more concerned about an automatic transmission, I don't worry much about a stick, but an automatic, that's another story to me.
Since there are no reciprocating parts, for the most part a trans either auto or manual doesn't care... It is fairly easy to blow a clutch by downshifting to 1st at high speed... If the clutch doesn't blow and it's reengaged, the engine will likely suffer valve train damage or maybe kick a rod out the side of the block...
WOT a couple times a day. Redline not as often - the engine in my Cobalt just doesn't sound very good over 4000 RPM or so. And I rarely have a chance to! Usually there's some putz ahead of me on the freeway entrance ramp who thinks 30 mph is a good speed to try to merge with traffic...
In the Subaru I'll sometimes take it as close to the redline as the AT will let me when passing someone - that engine sounds great.
In the Subaru I'll sometimes take it as close to the redline as the AT will let me when passing someone - that engine sounds great.
My focus is interesting, it sometimes shifts a bit higher.
The following picture demonstrates.
I've yet to figure out what makes it shift at one vs the other. but sometimes it shifts at 6,500RPM. Usually that is where it shifts from 1-2. It more often shifts from 2-3 or 3-4 (when I rarely do that) at 7,000 or just a hair over.
The following picture demonstrates.
I've yet to figure out what makes it shift at one vs the other. but sometimes it shifts at 6,500RPM. Usually that is where it shifts from 1-2. It more often shifts from 2-3 or 3-4 (when I rarely do that) at 7,000 or just a hair over.
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