Hard stopping?
Thread Starter
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Laughing Gas
Joined: Dec 2006
Posts: 1,008
Likes: 5
Hard stopping?
I figured out my starting problem, thus ending my dependance on Ether. Good batteries and cables!
When I shut the engine down, I turn the key back, and it makes an abrupt "THUNK" and the engine stops dead.
This doesn't sound like any gasoline engine I've dealt with which rev down smoothly. Is this normal for the diesel?
When I shut the engine down, I turn the key back, and it makes an abrupt "THUNK" and the engine stops dead.
This doesn't sound like any gasoline engine I've dealt with which rev down smoothly. Is this normal for the diesel?
Thread Starter
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Laughing Gas
Joined: Dec 2006
Posts: 1,008
Likes: 5
Originally Posted by Saigon
yes, absolutely, "THUNK" is the right word!LOL
This whole diesel thing is new to me. I don't wanna have to dive head first into it by rebuilding the engine. I'd rather ease in slowly, learning the new sights and sounds and smells...
i ain't rite
Joined: Mar 2005
Posts: 65,573
Likes: 5,609
From: Marlboro Mental Hospital.
yup, it is normal.
the reason is the compression ratio. in a gas engine, the compression ratio is only around 8:1, so the engine will slowly turn off.
in your 89 7.3 diesel, the compression ratio is just a tad higher, at 22.5:1
so when you power off your diesel, it will stop instantly.
the reason is the compression ratio. in a gas engine, the compression ratio is only around 8:1, so the engine will slowly turn off.
in your 89 7.3 diesel, the compression ratio is just a tad higher, at 22.5:1
so when you power off your diesel, it will stop instantly.
Thread Starter
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Laughing Gas
Joined: Dec 2006
Posts: 1,008
Likes: 5
Originally Posted by tjc transport
yup, it is normal.
the reason is the compression ratio. in a gas engine, the compression ratio is only around 8:1, so the engine will slowly turn off.
in your 89 7.3 diesel, the compression ratio is just a tad higher, at 22.5:1
so when you power off your diesel, it will stop instantly.
the reason is the compression ratio. in a gas engine, the compression ratio is only around 8:1, so the engine will slowly turn off.
in your 89 7.3 diesel, the compression ratio is just a tad higher, at 22.5:1
so when you power off your diesel, it will stop instantly.
