Reply to "Ron (accobra) & all, another interesting intake manifold"

George PAdmin.

Ron, once you read this, it will not be confusing any longer, it is actually quite simple.

The AN fittings adhere to a military standard, AN meaning Army Navy.

The dash numbers refer to the OD of the steel tubing, expressed as a fraction, in which the denominator is 16:

i.e. a dash 4 is 4/16 or 1/4" OD tubing

or a dash 6 is 6/16 or 3/8" OD tubing

or a dash 8 is 8/16 or 1/2" OD tubing

Simple huh?

Your friend on the DTBB

3/15/067:58 PM

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