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That is not correct, it depends on the make and model of your propeller check the TCDS. Jim N87349 Syd Cohen wrote: > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > Grant, the new redline on your tachometer should be 2575 with the 85 hp. engine. That doesn't mean you > should get 2575 in cruise. Also, your prop diameter is now too large. It is supposed to be 71". > > Syd Cohen > NC94196 > > [EMAIL PROTECTED] wrote: > > > ----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]---- > > > > Coupers. > > I have a 1946 415C with an 85HP , the book says the RPM should > > be 2575. When I bought the plane it had a 74-48 prop. and was a > > 75HP that would turn 2275 RPM, as the book said. We changed > > the venturi and jet, now I get 2350 RPM, We are at 3500 GL. > > Are we overlooking something to gain the extra 225 RPM or am > > I shooting to high. Would really appreciate any comments. > > Thanks Grant & N13CL > > > ==^================================================================ This email was sent to: [EMAIL PROTECTED] EASY UNSUBSCRIBE click here: http://topica.com/u/?aVxiLm.aVzvvT Or send an email to: [EMAIL PROTECTED] T O P I C A -- Register now to manage your mail! http://www.topica.com/partner/tag02/register ==^================================================================
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