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View Poll Results: Do you engine brake?
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Old 03-11-2004 | 07:23 AM
  #21  
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sheeet my warranty is already mostly gone already at 28,000 miles + ...
Old 03-13-2004 | 02:20 AM
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i do downshift when coming to a stop, but i rev match when doing so. this makes it is easier on the engine and tranny. i will also put it in neutral and cost to a stop when i don't feel like down shifting. i like to do downshift because it is part of driving a manual car. it is a good feeling to actually drive a car unlike an auto. :D
Old 03-13-2004 | 07:25 PM
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I guess i wont mention that i used to and can shift gears ( up and down ) with out a clutch. :D A little something i learned driving rigs, works in cars too, just have to be a little faster and more accurate.
Old 03-14-2004 | 08:11 AM
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personally, i enjoy putting the clutch at about half way out of it and use the brake and the engine when i'm coming out of 5k+ rpms. its satisfies my engine breaking wants, but also doesn't strees the engine too bad
Old 03-14-2004 | 06:35 PM
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Originally Posted by CBSIMONSEZ
I guess i wont mention that i used to and can shift gears ( up and down ) with out a clutch. :D
Me too... :D
Old 03-14-2004 | 07:16 PM
  #26  
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Originally Posted by CBSIMONSEZ
I guess i wont mention that i used to and can shift gears ( up and down ) with out a clutch. :D A little something i learned driving rigs, works in cars too, just have to be a little faster and more accurate.
i have done that in other cars i have owned. it is tricky and can be done with grinding. if anyone tries this make sure you have the engine rev up enough to sync the gears and don't grind it.
Old 03-14-2004 | 08:59 PM
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I do it but need to stop so I don't waste gas.
Old 03-14-2004 | 09:10 PM
  #28  
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Originally Posted by ikonXone
i do downshift when coming to a stop, but i rev match when doing so. this makes it is easier on the engine and tranny. i will also put it in neutral and cost to a stop when i don't feel like down shifting. i like to do downshift because it is part of driving a manual car. it is a good feeling to actually drive a car unlike an auto. :D
ditto for me, i like keeping it in gear simply because i can respond if some thing happens: light change, accident(not my own but someone in front or behind me) etc.

now when i used to downshift using my first(well not my first but the first i drove) car, thats a different story :D an automatic acura legend it was just kinda cool. however the people that bought it had SERIOUS transmission issues. But i was 17 and didnt know any better. of course alot of things happened because of that and for some reason im not dead.
Old 03-22-2004 | 04:53 PM
  #29  
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Originally Posted by BigOrangeXb
Engine braking (when done right) will not harm your engine, trans, or waste gas. It'll actually save gas because during high vacuum deceleration very little fuel (less than at idle) gets injected into the engine. Hook up a scan tool to your car and do it, you'll see the injector pulsewidth go way down. High vacuum = less gas, low/no vacuum = more gas.
I'm guessing most of you guys probably don't know how a trans (auto or manual) actually works or how they're assembled inside. The only way to really break a trans with engine braking is downshifting or popping the clutch to high-revs suddenly and shocking the trans. Blip the throttle to bring the revs up slightly and lightly let out the clutch and you'll be fine.
The only time engine breaking is really benificial is at highway speeds to slow down slowly or fast depending on the gear you're in. It'll save your clutch a little too in a manual since you won't be letting it in and out a bunch of times while you're braking in nuetral (since that's what it seems some of you guys are doing).
I agree, anyone with experience tuning on a datalogging ecu, s-afc, apexi avc-r, or any other fuel tuning tool will be able to see that the injector duty cycle goes down during coasting in gear.

---------Btw those that like to hold down the clutch, blip the gas, and down shift. you're eating up your synchros. You need to double-clutch for synchro longevity.

It's not much if a concern though if you plan on selling your car after 5 years. But after 7 years, depending on the tranny, it'll start to show signs of wear from your downshifting method.
Old 01-11-2005 | 07:51 PM
  #30  
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i enging brake but it depends how i feel

if im coming up to a corner after doing 55 and the corner calls for say45-35 ill tap the brakes and blip the throttle to rev match the motor.

plus its more fun
Old 02-01-2005 | 12:29 AM
  #31  
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Originally Posted by SCI FIRE
I had a manual in my Mustang, and I am certain that the manual said NOT to coast in neutral, that it could blow the transmission seals. Is this true of all cars or just that one?
What's this all about? I would think that you're just letting the wheels spin and the engine would be idle, as if you were stopped. anyone care to explain?
Old 02-03-2005 | 09:19 PM
  #32  
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would you rather replace an engine part, or some brake pads? Personally, i go for the brake pads. They are cheap and easy to install, I find that engine parts are harder to replace (impossible for me to do myself), and more expensive overall to replace due to parts costs and labor charges.

John
Old 02-03-2005 | 09:32 PM
  #33  
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Originally Posted by mikochu
Do you guys coast, as well? Like, I'll disengage the clutch, go into neutral, and just cruise...

Also, when you guys brake, do you guys disengage the clutch (if you're not in neutral)...?

I sometimes coast, and pump my brakes lightly, then downshift
and once i get to a slow roll, i put it in neutral and press on the brake

Everyone has their own style, but like someone said earlier

brake pads and rotors are cheap, clutch, tranny and engine blocks arent

So use your own discrestion i say.
Old 02-16-2005 | 03:56 AM
  #34  
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i don't like to engine brake...reason being, i did it a couple of times going down a steep hill...i even kept it in 5th gear one of the times, with my foot off the clutch totally...by the bottom of the hill, i had a strong smell of burnt clutch both times. people have said it's just my clutch breaking in, i have 600 miles, but i don't think it sounds right to me.
i shift into neutral and ride the brakes every once in a while down the hill, it works fine for me.
also, it's better for your gas milage to shift into neutral or push the clutch in all the way because your rpms drop to idle, engine braking to every stoplight will keep your rpms up and over time will cost you gas.

one thing i was thinking about that is really scary is this: lets say i start off on the top of the hill at the light, i start off in first gear, but i don't shift out of it, instead i keep it in gear but i push the clutch in to make it neutral...what would happen? somthing bad i think, because you pick up some speed on this hill, i could easily get to 60mph with no brakes in neutral
Old 02-16-2005 | 11:27 AM
  #35  
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You would overrev the engine when you poped the clutch and possibly blow the engine, the RPM limiter only stops the engine from going too high, it wont stop the wheels from dragging the engine too high.

I use engine braking to help correct understeer.
Old 02-16-2005 | 12:25 PM
  #36  
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Originally Posted by kalieaire
Originally Posted by BigOrangeXb
Engine braking (when done right) will not harm your engine, trans, or waste gas. It'll actually save gas because during high vacuum deceleration very little fuel (less than at idle) gets injected into the engine. Hook up a scan tool to your car and do it, you'll see the injector pulsewidth go way down. High vacuum = less gas, low/no vacuum = more gas.
I'm guessing most of you guys probably don't know how a trans (auto or manual) actually works or how they're assembled inside. The only way to really break a trans with engine braking is downshifting or popping the clutch to high-revs suddenly and shocking the trans. Blip the throttle to bring the revs up slightly and lightly let out the clutch and you'll be fine.
The only time engine breaking is really benificial is at highway speeds to slow down slowly or fast depending on the gear you're in. It'll save your clutch a little too in a manual since you won't be letting it in and out a bunch of times while you're braking in nuetral (since that's what it seems some of you guys are doing).
I agree, anyone with experience tuning on a datalogging ecu, s-afc, apexi avc-r, or any other fuel tuning tool will be able to see that the injector duty cycle goes down during coasting in gear.

---------Btw those that like to hold down the clutch, blip the gas, and down shift. you're eating up your synchros. You need to double-clutch for synchro longevity.

It's not much if a concern though if you plan on selling your car after 5 years. But after 7 years, depending on the tranny, it'll start to show signs of wear from your downshifting method.


double clutching is pointless..... theres a whole thread on it somewhere.....
Old 02-16-2005 | 12:59 PM
  #37  
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^^^^^ 100% Correct.

Anyone who thinks you need to double clutch a car nowadays(did I just use that word) watches too much F&F.

For those more experienced drivers try this little trick, Left foot braking and 3>2 downshift without using the clutch. It can be done, it just takes practice.
Old 02-16-2005 | 01:54 PM
  #38  
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I'm prtetty much an adaptive driver... I engine brake depending on the situation, tight corners, highway off-ramps, etc... I also match the revs when doing so. Also, if ever in an all out to the limits of the vehicle's capability, then the brakes are designed to stop you, and the manual gear selection is used to be in the right gear to power out of the corner using the sweet spot of your powerband. One usually doesn't encounter this scenario on the public ways though... At least I would hope not!



I also pretty much agree with what TheScionicMan, Dibujob, kdanie, and BigOrangeXb have all previously posted here in this thread.

:D
Old 02-16-2005 | 02:02 PM
  #39  
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Sorry, I didn't read the whole thread, so I'm probably just
repeating what the better drivers already said.

The advanced drivers ed classes I've taken teach down
shifting and coasting as standard practice. I also use
the gears to help keep me from "accidentally" going over
the speed limit. For example, if I'm on a road that's 30Mph
and I know it's a speed trap, I might go all the way to 4th
gear at 2000 RPM where the box pretty much idles around
32Mph. If I jump on the gas out of bordom or frustration,
I won't suddenly be up to 60 and getting a ticket. It will bog
a little and remind me that I'm supposed to be going slow.

As for wear and tear on clutches, my SAAB before it was
totaled in an accident had 330,000 on the original factory
clutch. The previous owner was a SPG racer (SAAB
Performance Group) and also downshifted for turns.
Old 02-16-2005 | 02:30 PM
  #40  
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there are at least a few reasons to engine break, and a few more if you use dirt roads and drive them fast. Sharp turns are easier when the front suspension ggets preloaded by slowing the car from the front only first, the car overrotates a little inthe middle of the turn and you are already in the best gear to accelerate out of the turn. No breaking involved sometimes. this works well in the snow too.


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