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0-320 Temps

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twatkins(at)bendcable.com
Guest

Posted: Mon Apr 03, 2006 6:55 am Post subject: 0-320 Temps

We are just getting ready to fly our RV9A for the first time, with an Aero

Sport 0-320 (at) 9.0 - 1 ratio we are using an ACS 2500 engine monitor, I am

wondering if anyone out there that is running a similar engine could post

the average temp. ranges for  things like EGT, CHT, Carb Temp. Oil Temp.

ect.  we are not exaclty sure what temp's we should see on this new engine

and want to keep an eye on things as we run it.  Any info will be

appreciated.  Thanks.



Tod

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matthew(at)n523rv.com
Guest

Posted: Mon Apr 03, 2006 11:38 am Post subject: 0-320 Temps

Tod,



I have an O-320-D2J 160hp with 9:1 with a SJ cowl and plenum.. here are some

ballpark numbers from memory.



EGT's are running in the upper 1300's during cruise.  I think you want to keep

these below 1450... I kept mine below 1425 at all times.



CHT's are running in the 380's on the back two cylinders and cooler on the front

two.  My engine guy (BPE) said DO NOT let the CHT get over 385 on the ground....

on climbouts mine will go up to about 410.  I think you want to keep these below

425.



I have a firewall mounted oil cooler and temps have been running around 180-190

and that is with half the inlet blocked off and the OAT being in the 50's. 

I've had it go up to 205 during full power runs or long climbs.  I think 210 is

probably a good number to stay under.



Matthew

RV-9A - N523RV

45.4 hours

www.n523rv.com

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cweyant(at)chuckdirect.co
Guest

Posted: Mon Apr 03, 2006 1:30 pm Post subject: 0-320 Temps

I have Van's four selector position (can remember the name, I'm at the 

office) switch with CHT/EGT.  CHT's average 350.  EGT's average 1,250-1,400. 

Oil temps average160...warm weather 180.  200 hours on a rebuilt O320, 

150HP, fixed Sensenich.

Chuck

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vicwj(at)earthlink.net
Guest

Posted: Tue Apr 04, 2006 4:20 am Post subject: 0-320 Temps

Please remove the email address vicwj(at)earthlink.net, he passed away in Jan. 

2006.

Thanks for your cooperation.



---

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