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07-06-2010, 11:23 AM

#6

Dr1Driver

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RE: Push Rod Size?

Quote:

The difference in diameter is not that dramatic (25%):

Diameter isn't what handles load, area is - and there's a big difference there.

Per your diameter figures:

2-56, .074D = .00429 sq.in.
4-40, .095D = .00708 sq.in.

Almost twice.

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