RCU Forums - Est pipe length starting point

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flap51

12-24-2002 06:44 PM

Est pipe length starting point

Adding a pipe (loud) to a midget mustang powered by an OS 91 FX. Any good ideas out there as to a good length to start at. In boats, I know its around 12 " from pipe max dia to glow plug. As for a prop 13x10, and fuel at 5 to 10%. (boats utilize 40 but are water cooled)

My freind has a midget almost ready with a dub 90 and loud pipe. I know that it will be an uphill battle to stay close but the two in the air should be a crowd pleaser.

Ernie Misner

12-25-2002 12:03 AM

Est pipe length starting point

Greetings!

Go to the Mac's products home page and find their info on pipe lengths. They have lots of information there on header pipe length. Also they suggest cutting the header pipe off 1/4" at a time until max rpm's are found.

Ernie

flap51

12-25-2002 02:03 PM

Est pipe length starting point

Thanks!!!!

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