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Engine Brake
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Roadruner
New User
| Posts: 26
| Joined: 04/09
Posted: 04/28/09
04:41 PM
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Why the automotive industry don't produce engine brake for light cars and 4x4 as for example for toyota yaris, wrangler sahara ect... 
For me an all terrain vehicle is not an all terrain vehicle if it don't have an engine brake.
A car is not complete without an engine brake.
What happen if you live in a place with a lot of mountains?
All the engine brake that I know are designed for heavy duty trucks.
For me an engine brake is more important and utilitary than the turbo. 
Don't mess with my chevy metro! 
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CSIROC
Guru
| Posts: 793
| Joined: 11/05
Posted: 04/28/09
04:59 PM
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Downshifting does the same thing.
68 Olds Cutlass ~ 350 Rocket
85 Delta 88 ~ 425 Rocket
02 Silverado 4X4 ~ 5.3L
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Posted: 04/30/09
07:38 AM
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Probably because engine braking is harder on the engine than free-wheelin, and most light duty vehicles have more than adequate brakes for any mountain roads. Heavy duty needs that extra bit so that's why. Besides cars are getting more and more expensive, last thing I want is another redundant thing to pay for.
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The Silver Buick- '77 Skylark coupe w/ a Fuel Injected Buick 455&TKO-600, '72 Centurion Conv't - 455w/TH400, '67 T-bird 4Dr (suicide) w/428&C6. Needing to replace a '69 Firebird 400.
http://www.bangshift.com/forum/index.php?topic=6189.0
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waynep712
Enthusiast
| Posts: 436
| Joined: 10/07
Posted: 04/30/09
08:28 AM
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if you want an engine brake... that blocks the exhaust system... put one in... electric versions are available... they can be installed in minutes... at a muffler shop...
there is one thing... if your motor has a EGR valve that has the exhaust back pressure valve in it.... or an exhaust back pressure differential pressure sensor.. (many do) it will damage them... if it does not just blow the hoses off that hook them to the exhaust system... it may also blow hot exhaust gasses into the air injection system.. the check valves really don't like a lot of back pressure... the plastic diverter valves really don't like exhaust flow backwards through them.. they tend to melt... when it does happen...
the only really great use on a gasoline engine for a valve in the exhaust system is to prevent someone from driving your car away.. with a tight closing valve... the engine may not even start...
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