Compression test

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Nov 4, 2005 | 02:51 PM

Dueled

Thread Starter

Junior Member

Joined: Oct 2005

Posts: 19

From: SO CAL

Newbie question.

What kind of numbers am i looking for?

The only thing I know is consistency, 9/9/9

Nov 4, 2005 | 04:13 PM

Dueled

Thread Starter

Junior Member

Joined: Oct 2005

Posts: 19

From: SO CAL

Don't see an edit

but here are the results i got

Was done by maztech/fmc

Front Rotor: 8.7/8.8/8.8 at 227 cranking rpm (125 psi)

Rear Rotor: 8.8/8.8/8.7 at 265 cranking rpm (125 psi)

Nov 4, 2005 | 04:54 PM

rotaryinspired

Senior Member

Joined: Oct 2004

Posts: 233

From: Oklahoma City

Sounds like a healthy one to me.

Nov 4, 2005 | 11:10 PM

jspecracer7

Senior Member

Joined: May 2002

Posts: 4,928

From: Okinawa, Japan

You sir have a very strong motor with lots of time left to go play on it!

Nov 4, 2005 | 11:46 PM

GoRacer

Senior Member

Joined: Aug 2002

Posts: 840

From: O.C. - CA.

My brand new motor was all 8's.

...both M'Trix motors were 8's.

Nov 5, 2005 | 12:36 AM

rfreeman27

Senior Member

Joined: Dec 2002

Posts: 4,107

From: fredneck MD

Sometimes the compression will rise as an engine wears in.

especally when you are using old rotorhousings with new apex seals. They will 'wear' together.