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Posting a reply to: Inline Cylinders -vs- V4 etc question

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[QUOTE]VMS - 2/6/2005  4:55 PM

Hi everyone...

This is just a question out of curiosity more than anything.  I have been looking at different motor brochures and am curious as to if a V4 engine gives up a bit of power as a comparable inline cylinder styled engine at all.  I have been curious about this for a while based upon previous experiences (not apples to apples but the same basic physical aspects taking place) with the older ford 4.9 inline 6 as compared to the ford V8 (5.2 or 5.3?)  They both had about the same power, but the inline had better fuel efficiency.

Please help me figure this if you will...I am not sure if this is correct or not:

But...when the cylinders of an inline engine fire, will they or will they not have more downward force on the camshaft per cylinder as compared to a v style engine that  may have more or less cid and a possible extra cylinder?

Also, how does the compression ratio affect horsepower to compare engine wise?  I have noticed that different engines have a different compression ratio, so this is interesting to me as well.

Thanks

Steve[/QUOTE]

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VMS

Posted 2/6/2005 4:55 PM (#133981)
Subject: Inline Cylinders -vs- V4 etc question

Posts: 3508

Location: Elk River, Minnesota

Hi everyone...

This is just a question out of curiosity more than anything. I have been looking at different motor brochures and am curious as to if a V4 engine gives up a bit of power as a comparable inline cylinder styled engine at all. I have been curious about this for a while based upon previous experiences (not apples to apples but the same basic physical aspects taking place) with the older ford 4.9 inline 6 as compared to the ford V8 (5.2 or 5.3?) They both had about the same power, but the inline had better fuel efficiency.

Please help me figure this if you will...I am not sure if this is correct or not:

But...when the cylinders of an inline engine fire, will they or will they not have more downward force on the camshaft per cylinder as compared to a v style engine that may have more or less cid and a possible extra cylinder?

Also, how does the compression ratio affect horsepower to compare engine wise? I have noticed that different engines have a different compression ratio, so this is interesting to me as well.

Thanks

Steve