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How many cubic inches is the Barra 182 Inline6?

6K views 11 replies 8 participants last post by  3984cc 
#1 ·
Does any1 know how many ci?
 
#2 ·
LEts see
Holdens 4.2litre was 253ci
fords 4.1 was 250
thsi is 4.0litre so must be 247? (plus or minus 2)
 
#3 ·
its easy to work out- get the volume in cc's (millilitres) and divide by 16.38.
3984/16.38 gives 243ci
250ci is 4.095L
253ci is actually 4.144, so not really a 4.2
and the old holden 202 is 3.308L
 
#7 ·
Nobody here has it right if u are trying to be exact.

There are 2.54cm per inch, of course these dimensions are cubed,

so 3984 divided by 2.54(cubed) = 3984 divided by 2.54 divided by 2.54 divided by 2.54 =
243.12 cubic inches (not 240ci)
Madmelon was the closest, but use the 2.54 to get u a more precise calculation
 
#8 ·
We got taught something in engineering the other day- 3 significant figures is usually enough information because the information you start out with only has a certain accuracy. If you use 4 through calculations, that means you can get a reasonably accurate answer which allows for the 3rd sig fig to be rounded up if necessary. Anything more than 3 sig.fig. is usually not necessary and in the case of modern engines 2 seems to be the norm (1.8, 2.0, 4.0 etc) except for at Ferrari with the 5.75L 575M...
Just thought that might come in handy some time
 
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