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Prop size for a 440 Century Arabian

C

cazman

Member
"What are you running for a pr

"What are you running for a prop on your big block Arabian? I got talked into a 13x13 for skiing and it is way too small (there was no prop when I got it). I haven't even topped it out at WOT, because I do not want to go over 4500 rpm, as it will easily. I am thinking that a 14x14 is closer to what it should have."
 
"I am running a 14x15 on my &#

"I am running a 14x15 on my '72 Arabian and get up to 3500 rpm, so a 14x14 would probably be perfect"
 
"I'm using a 14 x 15 at 50

"I'm using a 14 x 15 at 5000 ft. elevation. Rpm is 4200 to 4400. Engine is in a 1969 Arabian and is slightly modified.
193580.jpg
engine 440
 
looks like you have the same s

looks like you have the same set up as I. Glenwood exhaust and Edlebrock manifold. Did you change the cam?
 
"The motor has the original st

"The motor has the original stock cam. (Rev. rotation limits the options) Other than manifold changes, I shaved the heads about .020" and still run regular gas.
It runs very strong."
 
I was also thinking of shaving

I was also thinking of shaving the heads when it is time for a rebuild. I assume that you also have the flat top pistons. Do you think that shaving the heads makes a noticeable difference?
 
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