XPost: alt.home.repair   
   From: jkj33@gmail.com   
      
   On Fri, 04 Mar 2022 09:37:46 +1100, Bob F  wrote:   
      
   > On 3/3/2022 12:59 PM, Jacob Jones wrote:   
   >> On Fri, 04 Mar 2022 07:49:46 +1100, Bob F  wrote:   
   >>   
   >>> On 3/3/2022 12:03 PM, micky wrote:   
   >>>> In alt.home.repair, on Thu, 3 Mar 2022 12:47:28 -0600, Paul in Houston   
   >>>> TX  wrote:   
   >>>>   
   >>>>> micky wrote:   
   >>>>>> Is red-lining worse, better, or the same when the engine is driving   
   >>>>>> the   
   >>>>>> wheels as when the wheels are driving the engine?   
   >>>>>>   
   >>>>>> I use the engine to slow down when going down hill, and today, for   
   >>>>>> example, I put the ATransmission into 2nd and then engine went   
   >>>>>> briefly   
   >>>>>> to 5500, the apparent red line.   For several seconds was at 5000   
   >>>>>> and   
   >>>>>> even longer at 4500.   
   >>>>>   
   >>>>> I did that exiting the freeway in my last Toyota.   
   >>>>> It sucked a valve into the combustion chamber and broke a piston rod   
   >>>>> destroying the engine.  I gave it away to a needy person who   
   >>>>> installed a   
   >>>>> used engine and ended up with a nice car.   
   >>>>  So you're suggesting I shouldn't do it?   
   >>>>  Unless your freeway was going very steeply down hill, I would think   
   >>>> you   
   >>>> came close to the redline even less time than I have!!   
   >>>>  This is a 2021 or 2022 Citroen C-3.  A rental with only 9000 miles on   
   >>>> it, so it must be new.   I think I bought the insurance, but   
   >>>> regardless,   
   >>>> I don't want to hurt the car.    mAYBE I shouldnt go lower than 3rd   
   >>>> gear   
   >>>> and rely on the brakes for anything more.   
   >>>   
   >>> A motorcycle shop owner heard me downshift to slow as I approached his   
   >>> lot, and immediately told me that brakes were a lot cheaper to replace   
   >>> than engine and clutch.   
   >>  Rather a silly comment if you end up crashing because the brakes   
   >> overheat and you can't stop.   
      
   > He was right.   
      
   No he was not when you change down before there will be any red lining.   
      
   > Reving to high speeds to slow down can quickly damage your  engine.   
      
   But changing down so you don't redline doesnt.   
      
   > That should not be general practice if you care about your  vehicle.   
      
   That's wrong too. Doing it properly does produce less brake wear.   
      
   > If your brakes fail on a steep hill, OK. But doing that rather than   
   > keeping your speed below the over-rev point going down hills is just   
   > stupid. Use your brakes for exiting the freeway, definitely better than   
   > over-reving.   
      
   But perfectly possible to not over rev in that situation.   
      
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