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Author Topic: What Determines cyliner #s  (Read 592 times)

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Offline cb350twin

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What Determines cyliner #s
« on: April 06, 2009, 11:45:36 PM »
I know # 4 is on the clutch side and # 1 is on the drive chain side because they are labled on my 750. But what determines which side they are on a car? My friend said it starts on the side that the drive belts are on. But what about V6 and V8s & H4s? probably The same rule going back & forth?  Is the 750 #1 on the chain side because of the chain or..?
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Offline martino1972

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Re: What Determines cyliner #s
« Reply #1 on: April 07, 2009, 12:41:46 AM »
depending on make of engine...... on a chevy v8 the left cylinderhead is more towards the front then the right one,thus there it starts with #1,they count the #'s jumping from left to right,so left head is #1,#3,#5 and #7,right #2,#4 etc...
ford has the right head more forward so they start counting there #1...and i believe they count down the right head 1,2,3,4 then jump to most back one on left head working back to the front 5,6,7,8... Chrysler same as ford but 5,6,7,8 is counted from front to back again.... im doing this out of my head,so the counting might be a bit off,but i will get corrected by ford and chrysler owners... ;) ;)
little 4 bangers mostly count from front of engine to flywheel 1,2,3,4.... 
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Offline mark

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Re: What Determines cyliner #s
« Reply #2 on: April 07, 2009, 08:56:06 AM »
sorry marty.... Chrysler goes odd one side even other side like GM. Ford 1 and 5 are at the front.

Renault and I think PeugeotPiglet count from flywheel end 1,2,3,4... which still puts #1 toward the front in Dauphine, R5(except Turbo I & II), R8, R10, R16 models.

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Offline kghost

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Re: What Determines cyliner #s
« Reply #3 on: April 07, 2009, 09:30:21 AM »
The answer to your question = The Manufacturer.
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Offline Inigo Montoya

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Re: What Determines cyliner #s
« Reply #4 on: April 07, 2009, 09:45:19 AM »
And the prize goes to ghost! I have never seen any physics based reason. Just what the manufacturer decides.
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