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#1
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Firing order
This always bugged me. Why is firing order always non-consecutive?
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#2
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Firing order
On 1/4/2018 7:33 PM, Tom Del Rosso wrote:
> This always bugged me. Why is firing order always non-consecutive? > > Because, in the case of classic 1342: https://www.youtube.com/watch?v=M1h9eU9YH5o Which extrapolates easily to my 18436572 small block -- Andrew Muzi <www.yellowjersey.org/> Open every day since 1 April, 1971 |
#3
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Firing order
AMuzi wrote:
> On 1/4/2018 7:33 PM, Tom Del Rosso wrote: >> This always bugged me. Why is firing order always non-consecutive? >> >> > > Because, in the case of classic 1342: > https://www.youtube.com/watch?v=M1h9eU9YH5o > > Which extrapolates easily to my 18436572 small block That doesn't explain why it isn't 1234. |
#4
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Firing order
"Tom Del Rosso" wrote > >> This always bugged me. Why is firing order always non-consecutive? > >> > > > > Because, in the case of classic 1342: > > https://www.youtube.com/watch?v=M1h9eU9YH5o > > > > That doesn't explain why it isn't 1234. The reason they don't just fire "one end to the other end" is balance. https://en.wikipedia.org/wiki/Engine_balance The reason the firing order isn't "consecutive" is due to the conventional way(s) of numbering cylinders. Straight 4 cyl = 1234 Straight 6 cyl = 123456 Some V8 = Left 1357 Right 2468 Other V8 = Left 5678 Right 1234 Feel free to build you own engine, and make it fire "consecutively" using normal numbering (have fun as your engine shakes the car to pieces), or get a felt pen and number your cylinders any way you like. :-) |
#5
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Firing order
Tom Del Rosso wrote:
> This always bugged me. Why is firing order always non-consecutive? > http://what-when-how.com/automobile/...rs-automobile/ |
#6
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Firing order
On 1/4/2018 10:20 PM, Tom Del Rosso wrote:
> AMuzi wrote: >> On 1/4/2018 7:33 PM, Tom Del Rosso wrote: >>> This always bugged me. Why is firing order always non-consecutive? >>> >>> >> >> Because, in the case of classic 1342: >> https://www.youtube.com/watch?v=M1h9eU9YH5o >> >> Which extrapolates easily to my 18436572 small block > > That doesn't explain why it isn't 1234. > > > In theory you could make a cam and crank to do that but in practice the crank would be huge to restore any workable harmonic balance. -- Andrew Muzi <www.yellowjersey.org/> Open every day since 1 April, 1971 |
#7
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Firing order
AMuzi wrote:
> On 1/4/2018 10:20 PM, Tom Del Rosso wrote: >> AMuzi wrote: >>> On 1/4/2018 7:33 PM, Tom Del Rosso wrote: >>>> This always bugged me. Why is firing order always non-consecutive? >>>> >>>> >>> >>> Because, in the case of classic 1342: >>> https://www.youtube.com/watch?v=M1h9eU9YH5o >>> >>> Which extrapolates easily to my 18436572 small block >> >> That doesn't explain why it isn't 1234. >> >> >> > > In theory you could make a cam and crank to do that but in > practice the crank would be huge to restore any workable > harmonic balance. I don't see why, but thank you to all. I have to read up and think about this. |
#8
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Firing order
On Thursday, January 4, 2018 at 7:33:08 PM UTC-6, Tom Del Rosso wrote:
> This always bugged me. Why is firing order always non-consecutive? > > > -- That helps balance the engine. Otherwise the engine would act crazy, might not be firing right too. |
#9
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Firing order
On 5/01/2018 12:33 PM, Tom Del Rosso wrote:
> This always bugged me. Why is firing order always non-consecutive? > > Relies on the crankshaft: flatplane or crossplane And control of engine balance. -- Xeno |
#10
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Firing order
On 5/01/2018 3:20 PM, Tom Del Rosso wrote:
> AMuzi wrote: >> On 1/4/2018 7:33 PM, Tom Del Rosso wrote: >>> This always bugged me. Why is firing order always non-consecutive? >>> >>> >> >> Because, in the case of classic 1342: >> https://www.youtube.com/watch?v=M1h9eU9YH5o >> >> Which extrapolates easily to my 18436572 small block > > That doesn't explain why it isn't 1234. > > > It does, if you care to look. Some thinking is required. -- Xeno |
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