SS to Aluminum,what will happen?

496 Cubic Inches

Petty Officer 3rd Class
Joined
Apr 14, 2005
Messages
81
I currently have a Yamaha SWS II prop on my '06 F150. It seems to be a great match as it has great hole-shot and runs about 5900rpms. IIRC its a 15 1/2"x17

I want a spare prop and am looking at aluminum as a way to save some money. If I switch to an aluminum prop it will probably be a 14x17 Yamaha. What will happen to the hole-shot and rpms?

How about going to a 14x19 aluminum?
 
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