Chris Craft Commander Forum: Clueless prop size/pitch

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Clueless prop size/pitch March 27 2011 at 8:51 AM		(Login Hangingfor8)
Response to going to look

I have no idea what gear ratio I have or what transmissions they are. It does seem I have the larger rudders and bigger shafts. I'll have to do some more research to figure out what trannys and gears it has. I do know for sure that the engines where replaced with 260hp small block 350's I'm guessing ithad the 427's because of where the engine mounts and such are. I think this the reason I'm having issues getting to higher rpm's. I think the previous owner never changed the props for the 260hp set up. I'm trying to figure out what props would be right. I have contacted Michigan Wheel and I'm waiting on a response. My question is???? Are any of you out there running 260hp 350's on a 31? If so what prop size/pitch are you running. I'm looking for a starting point.

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Responses

Can you take pictures? - Kevin Bray on Mar 27, 2011

When you're in there... - Kevin Bray on Mar 27, 2011

out today and...... - Will on Mar 27, 2011

Propeller spec ? - Paul on Mar 28, 2011

props - Will on Apr 3, 2011

pulling the props - Will on Apr 13, 2011

We're pulling for ya - Paul on Apr 13, 2011

The latest edition of "As the prop turns" - Will....... be hurting on Apr 14, 2011

Congrats...and now for the rest of the story - - Kevin Bray on Apr 14, 2011

As the Prop Turns - Will on Apr 14, 2011

ATPT 29mph! - Will on Apr 17, 2011

pretty strong ! - Paul on Apr 17, 2011

440 yanmars - Will on May 6, 2011

Re: 440 yanmars - Quentin on Nov 26, 2011

question about commander performance - marc johnson on Nov 23, 2011

27' Commander should run a LOT faster than that !! - Paul on Nov 23, 2011

Updated info and speed comments, 1965 27 Commander - Marc Johnson on Apr 18, 2012

Here ya go Marc - Paul on Apr 18, 2012

Here is that complete link to the 27 Commander performance thread - Paul on Apr 18, 2012

Trim tabs - Paul on Apr 18, 2012

Standard propeller info for the 27 Commander - Paul on Apr 19, 2012

27 CC Info - Ben on Apr 19, 2012

27 Commander hard Top - Marc Johnson on Apr 20, 2012

That would do it! - Ben on Apr 20, 2012

mufflers - marc johnson on Apr 24, 2012

Mufflers - Ben on Apr 25, 2012

speeds? - Ben on Apr 21, 2012

Your speed charts - Paul on Apr 24, 2012

Calculator check - Ben on Apr 25, 2012

Gordon Millar Charts - Paul on Apr 25, 2012

MORE LINKS to 27' Commander Information and photos !! - Paul on Apr 20, 2012

question - marc on Apr 20, 2012

transducer mounting - Ben on Apr 21, 2012

pic of same boat - marc on Apr 21, 2012

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